航海英语新题库(上海)
一、海图及海图作业50题
[251]To agree with larger scale chart，latitudes taken from this chart should be increased ______ about 8 seconds．
A. with
B. in
C. by
D. to
[252]On this chart only the principle ______ to navigation are shown．A.equipment's B.tools C.apparatus D.aids
[253]Many of the soundings shown on the chart are derived from
_____.Undue reliance should not be placed upon them．
A. complete and often very poor surveys
B. correct and often very good surveys
C. inadequate and often very old surveys
D. adequate and present surveys
[254]Lines on a chart which connect points of equal magnetic variation are called ______.
A. magnetic latitudes
B. magnetic declinations
C. dip
D. isogonic lines
[255]Isogonic lines are lines on a chart indicating ___.
A. points of equal variation
B. points of zero variation
C. the magnetic latitude
D. magnetic dip
[256]In which source could you find the number of a chart for a certain geographic area? ______.
A. Chart No. 1
B. Catalog of Charts
C. IMO Practical Navigator
D. IMO Light List
[257]How is the annual rate of change for magnetic variation shown on a pilot chart? ______.
A. Gray lines on the uppermost inset chart
B. Red lines on the main body of the chart
C. In parenthesis on the lines of equal magnetic variation
D. Annual rate of change is not shown.
[258]Charted depth is the ______.
A.vertical distance from the chart sounding datum to the ocean bottom，plus the height of tide
B.vertical distance from the chart sounding datum to the ocean bottom
C.average height of water over a specified period of time
D.average height of all low waters at a place
[259]Chart correction information is NOT disseminated through the
______.
A. Summary of Corrections
B. Local Notice to Mariners
C. Daily Memorandum
D. Chart Correction Card
[260]All straight lines represent great circle tracks on a chart based on a(n) ______.
A. Mercator projection
B. polyconic projection
C. orthographic projection
D. gnomonic projection
[261]A revised print of a chart is made ______.
A. after every major hydrographic survey of the area covered by the chart
B. when there are numerous corrections to be made or the corrections are extensive
C. when a low-stock situation occurs and minor corrections are made
D. every two years to update the magnetic variation information [262]A Mercator chart is a ______.
A. cylindrical projection
B. simple conic projection
C. polyconic projection
D. rectangular projection
[263]______ chart 3994，positions read from this chart should be shifted 0．03 minutes Northward．
A. To consider
B. To check
C. To examine
D. To agree with
[264]The changes in the channel's sands and buoys on this coast are ______ this chart can not be considered as a safe guide of the channel．A. frequent B. so frequent
C. frequent that
D. so frequent that
[265]______ is a term denoting the determination of a ship's position by observations of Celestial or terrestrial objects，or by a combination of both．
A. Course-planning
B. Position-fixing
C. Radar-plotting
D. Stowage-plan making
[266]A chart position enclosed by a semi-circle is a(n)
A. fix
B. estimated position
C. dead reckoning position
D. running fix
[267]A true bearing of a charted object，when plotted on a chart，will establish a ______.
A. fix
B. line of position
C. relative bearing
D. range
[268]Admiralty Charts are published in ______.
A. U．S．A
B. China
C. U．K
D. Japan
[269]Attention is ______ the advice on the use of charts in The Mariner's Handbook Chapter 3，Section 1．A. fixed to B. needed for
C. pushed to
D. drawn to
[270]Distance along a track line is measured on a Mercator chart by using the ______.
A. latitude scale near the middle of the track line
B. longitude scale near the middle of the track line
C. latitude scale at the midlatitude of the chart
D. latitude or longitude scale at the middle of the scale
[271]Entering from sea，a daymark on the port side of the channel would be indicated on a chart by a ______.
A. red triangle with the letter R
B. white triangle with the letters RG
C. green square with the letter G
D. white square with the letters GR
[272]Magnetic information on a chart may be ______.
A. found in the center(s) of the compass rose(s)
B. indicated by isogonic lines
C. found in a note on the chart
D. All of the above
[273]My position has been obtained ______ astronomical observation．A. with B. from C. on D. by
[274]Navigational charts are ______ frequent changes，the important one of which are promulgated by Admiralty Notices to Mariners．
A. published with
B. combined with
C. in connection with
D. subject to
[275]On the south and the east coasts of Block Island are circles with a dot in the center and labeled CUP. This is a ______.
A. conspicuous object
B. steep depression in the surrounding hills that resembles a cup
C. domed structure useful for navigation
D. calling-up-point used for traffic control
[276]Solid green arrows on the main body of a pilot chart indicate
______.
A. prevailing wind directions
B. prevailing ocean current directions
C. probable surface current flow
D. shortest great circle routes
[277]The agonic line on an isomagnetic chart indicates the ______.
A. magnetic equator
B. magnetic longitude reference line
C. points where there is no variation
D. points where there is no annual change in variation
[278]The buoy symbol printed on your chart is leaning to the northeast. This indicates ______.
A. you should stay to the north or east of the buoy
B. you should stay to the west or south of the buoy
C. the buoy is a major lighted buoy
D. nothing special for navigational purposes
[279]The chart of a beach area shows a very flat slope to the underwater beach bottom. What type of breakers can be expected when trying to land a boat on this beach?
A.Surging
B.Spilling
C.Plunging
D.Converging
[280]The chart symbol indicating that the bottom is coral is ______. A. C B. Cl C. Co D. c
[281]The charts sold are of ______.
A. newly edition with up to date correction and in reasonable prices．
B. the current edition and incorporate the last Notices to Mariners correction
C. the current edition and incorporate the latest Notices to Mariners correction at the time of sale．
D. brand-new one with up to date correction and clean writing [282]The compass rose on a nautical chart indicates both variation and ______.
A. deviation
B. annual rate of variation change
C. precession
D. compass error
[283]The description Racon beside an illustration on a chart would mean a ______.
A.radar conspicuous beacon
B.circular radiobeacon
C.radar transponder beacon
D.radar calibration beacon
[284]The maximum difference between mean time and apparent time is ______.
A. equal to the longitude expressed in time units
B. about 16 minutes
C. the difference between the GHA of mean sun and the first point of Aries
D. 15°of arc
[285]The numeral in the center of a wind rose circle on a pilot chart indicates the ______.
A. total number of observations
B. average wind force on the Beaufort scale
C. average wind force in knots
D. percentage of calms
[286]The only cylindrical chart projection widely used for navigation is the ______.
A. Lambert conformal
B. Mercator
C. azimuthal
D. gnomonic
[287]The path that a vessel is expected to follow，represented on a chart by a line drawn from the point of departure to the point of arrival，is the ______.
A.DR plot
B.track line
C.heading
D.estimated course
[288]The revision date of a chart is printed on which area of the chart?
A. Top center
B. Lower-left corner
C. Part of the chart title
D. Any clear area around the neat line
[289]The soundings on the chart are based on the depth of water available at ______.
A. mean low water
B. mean lower low water
C. mean high water
D. mean high water springs
[290]The survey information upon which a chart is based is found
______.
A. at the top center of the next line
B. near the chart title
C. at the lower left corner
D. at any convenient location
[291]The symbol which appears beside a light on a chart reads Gp Fl R
(2) 10 sec 160 ft 19M. Which characteristic describes the light?
A. It is visible 10 miles.
B. Its distinguishing number is 19M.
C. It has a radar reflector.
D. None of the above
[292]What defines a great circle?
A. A curved line drawn on a Mercator Chart
B. A course line that inscribes a loxodromic curve
C. The shortest distance between any two points on the earth
D. The smallest circle that can be drawn on the face of a sphere [293]What information is found in the chart title?
A. Date of the first edition
B. Date of the edition and，if applicable，the revision
C. Information on the sounding datum
D. Information on which IALA buoyage system applies
[294]What information is NOT found in the chart title?
A. Survey information
B. Scale
C. Date of first edition
D. Projection
[295]What is NOT an advantage of the rhumb line track over a great circle track?
A. Easily plotted on a Mercator chart
B. Negligible increase in distance on east-west courses near the equator
C. Does not require constant course changes
D. Plots as a straight line on Lambert conformal charts
[296]What is the major advantage of a rhumb line track?
A. The vessel can steam on a constant heading (disregarding wind，current，etc.).
B. The rhumb line is the shortest distance between the arrival and departure points.
C. It is easily plotted on a gnomonic chart for comparison with a great circle course.
D. It approximates a great circle on east-west courses in high latitudes.
[297]When a buoy is in position only during a certain period of the year，where may the dates when the buoy is in position be found?
A. Light List
B. Notice to Mariners
C. On the chart
D. Coast Pilot
[298]When navigating in high latitudes and using a chart based on a Lambert conformal projection，______.
A. a straight line drawn on the chart approximates a great circle
B. the chart should not be used outside of the standard parallels
C. the course angle is measured at the mid-longitude of the track line
D. distance cannot be measured directly from the chart
[299]When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to ______.
A. the meridian through the object of the bearing
B. the meridian through the ship's position
C. the meridian midway between the ship and the object
D. any meridian
[300]Which aid is NOT marked on a chart with a magenta circle?
A. Aero light
B. Radar station
C. Radar transponder beacon
D. Radiobeacon
二、航海通告与警告50题
[301]To ______ Admiralty Charts 438，latitudes taken from this chart should be increased by about 5 seconds．
A.convert to
https://www.wendangku.net/doc/073104862.html,e to
C.look at
D.agree with
[302]The chart you supplied was anything ______ up to date．
A. but
B. except
C. beside
D. apart from
[303]The Admiralty Notices to Mariners can be obtained ______ by Masters of vessels from any Admiralty Chart Agent．
A. free of charge
B. with no responsibility
C. without limitations of distribution
D. with little charges
[304]Positions read from this chart should，to agree with chart 3949，be ______ 0．03 minutes Northwards and 0．22 minutes Westwards．A. shifted B. removed C. changed D. altered
[305]Positions read from this chart should be moved 0．08 minutes Southward and 0．13 minutes Eastward so as ______ adjoining chart 344，．
A. to agree upon
B. in accordance with
C. to be same as
D. to agree with
[306]Owing to old data of the survey the positions and number of the beacons shown on this chart are not to be
A.considered
B.insured
C.relied upon
D.suspected
[307]No navigational aids are shown and the chart is not kept corrected for alterations in depths inside the pecked lines．For more detailed information，the larger scale charts must be ______.
A.referred to
B.appreciated
C.met with
D.concerned
[308]Navigational charts are subject to frequent changes，the important ones of which are promulgated by
A. Admiralty Notices to Mariners
B. Mariner's Handbook
C. Catalogue
D. Sailing Directions
[309]Contour elevations on this chart refer to heights in feet above mean ______.
A. lower low water
B. high water
C. low water
D. sea level
[310]Charts are subject to frequent correction according to ______. A. Notices to Mariners B. Mariner's handbook
C. Sailing Directions
D. Guide to Port Entry
[311]A chart has extensive corrections to be made to it. When these are made and the chart is again printed，the chart issue is a ______. A. first edition B. new edition
C. revised edition
D. reprint
[312]______ are published for the correction of Admiralty Charts．
A. Admiralty Sailing Directions
B. Admiralty List of Signals
C. Mariner's Handbook
D. Admiralty Notices to Mariners
[313]______ is not contained in the NM Weekly.
A. Amendments to Admiralty Sailing Directions
B. Amendments to Admiralty List of Lights and Fog Signals
C. Amendments to Admiralty List of Radio Signals
D. Supplement to Guide to Port Entry
[314]The heights and soundings of Admiralty chart are expressed
______ in Fathoms ______ in Meters．
A.either，or
B.neither，nor
C.another，nor
D.other，or
[315]_ day，pilot flag should be displayed from main mast．
A. From
B. By
C. on
D. With
[316]______ objects are those which stand out clearly from the background or other objects and are easily identifiable from a few miles offshore in normal visibility．
A.Conspicuous
B.Permanent
C.Preliminary
D.Temporary
[317]A marker pole，with a horseshoe buoy and a sea anchor attached，should be used to ______.
A. mark the position of a lost mooring
B. determine your vessel's sideslip underway
C. determine your speed through the water
D. indicate location of a man overboard
[318]A stand-on vessel in a crossing situation is allowed to take action when ______.
A. on a collision course
B. the vessels will pass within one mile
C. it becomes apparent to her that the give-way vessel is not taking appropriate action
D. the relative speed of the vessels indicates collision in less than six minutes
[319]A steep barometric gradient indicates ______.
A.calms
B.light winds
C.strong winds
D.precipitation
[320]A storm is forecast for the area where your vessel is moored. For its safety you should put ______.
A. more slack in the mooring lines
B. a strain on the mooring lines
C. chafing gear on the mooring lines
D. grease on the mooring lines
[321]Admiralty Notices to Mariners are published _____.
A.every day
B.every week
C.every month
D.every year
[322]Admiralty Notices to Mariners，containing important information for the mariners and enabling them to keep their charts and books corrected for the latest information，are issued daily and published in ______.
A. Weekly Editions
B. Quarterly Editions
C. Annual Editions
D. Monthly Editions
[323]Advise ______ your fishing gear．
A. you recovery
B. you recover
C. you recovering
D. you recovered
KEY: B
[324]Advise you ______ engines．
A. stop
B. to stop
C. stopping
D. stopped
[325]After the passage of a cold front the visibility .
A. does not change
B. improves rapidly
C. improves only slightly
D. becomes poor
[326]Chart legends printed in capital letters show that the associated landmark is ______.
A. conspicuous
B. inconspicuous
C. a government facility or station
D. a radio transmitter
[327]Chart legends which indicate a conspicuous landmark are printed in ______.
A. capital letters
B. italics
C. boldface print
D. underlined letters
[328]Charted depth is the ______.
A. vertical distance from the tidal datum to the ocean bottom plus the height of the tide．
B. vertical distance from the tidal datum to the ocean bottom
C. average height of water over a specified period of time
D. average height of all low waters at a place
[329]Charted depths ______ by 2 meters due to state of the winds．A.is decreased B.decreased C.decreases D.are decreased
[330]Charted depths are decreased ______ 2 meters．
A. in
B. on
C. with
D. by
[331]Fog is most commonly associated with a(n) ______.
A. warm front at night
B. low pressure area
C. anticyclone
D. lack of frontal activity
[332]For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?
A. Plotting radio bearings over a long distance
B. Determining latitude and longitude of a fix
C. Measuring rhumb line distances
D. Measuring rhumb line directions
[333]Generally，______ are used as the track charts on the high sea，______ are used for harbors，inland waters and coastal areas．
A. Mercator charts／Loran charts
B. Admiralty charts／Routeing charts
C. large scale charts／small scale charts
D. small scale charts／large scale charts
[334]In revised editions of Admiralty charts the ______ are corrected first．
A.smaller scales
https://www.wendangku.net/doc/073104862.html,rger scales
C.smaller scales and larger scales
D.moderate scales
[335]Information for updating nautical charts is primarily found in the ______.
A. Notice to Mariners
B. Coast Pilots
C. nautical chart catalogs
D. Sailing Directions
[336]LOW ABOUT 300 MILES SOUTHWEST OF LISBON 1004 MOVING SLWLY SOUTHEAST COMMA FILLING 1006 BY MIDNIGHT．This phrase is likely to be under the heading of ______.
A. GALE WARNING
B. 24 HOURS FORECAST
C. GENERAL SITUATION
D. TROPICAL CYCLONE WARNING [337]LOW AT 34N 135E ESLY SLWLY INTST NC．This description is most likely to be under the heading of ______.
A. GL WNG
B. GEN SYN
C. STM WNG
D. T Y WNG
[338]Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by ______. A. Notices to Mariners B. Sailing Directions C. List of Lights and Signals D. Guide to Port Entries
[339]Navigational warnings are published according to _.
A. the designed area
B. the designated area
C. the indicated area
D. all area over the world
[340]On a nautical chart，the inner ring of a compass rose indicates ______.
A. true directions
B. compass error
C. deviation
D. magnetic directions
[341]On the approach of a warm front the barometric pressure usually ______.
A. falls
B. rises
C. is steady
D. is unreliable
[342]On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a ______.
A. vessel being towed．
B. fishing vessel engaged in trawling．
C. vessel at anchor warning you of her location．
D. power-driven pilot vessel on station underway．
[343]Periodic publications notifying changes in，or additions to，previously published navigational data are______ .
A. Supplements
B. Annual Summary
C. Navigational Warnings
D. Notices to Mariners
[344]RYUKYU S TO SE 6 BEC 4－5．ISOL SHWRS．SEA 3 M BEC 2 M．SWELL SE 3－4M．This description is likely to be under the heading of ______.
A.FORECAST
B.GALE WARNING
C.SYNOPSIS
D.STORM WARNING [345]Steam smoke will occur when ______.
A. extremely cold air from shore passes over warmer water
B. warm dry air from shore passes over cooler water
C. cold ocean water evaporates into warm air
D. cool rain passes through a warm air mass
[346]The best estimate of the wind direction at sea level can be obtained from observing the direction of the _____.
A.cloud movement
B.vessel heading
C.waves
D.swells
[347]The broken magenta line which runs parallel to the shorebetween Roanoke Point and Mattituck Inlet marks a .
A.fish trap area
B.pipeline
C.demarcation line
D.cable area
[348]The charts show two dashed lines crossing the river justsouth of St. Catherine Bar Light. What does this indicate?
A. Overhead power lines
B. Louisiana-Mississippi ferry crossings
C. Two railroad trestles
D. Two submerged oil pipelines
[349]The Daily Memorandum contains information on _____.
A. active weather disturbances such as hurricanes or tropical storms
B. the latest navigational warnings
C. scheduled vessel arrivals and departures for a 24-hour period
D. water levels at river ports where run-off affects tidal heights [350]The fog most commonly encountered at sea is called .
A.conduction fog
B.radiation fog
C.frontal fog
D.advection fog
三、航海日志的填写
[351]The entries in the Official Logbook must be signed by the Master and ______.
A. the Chief Engineer
B. the person about whom the entry concerns
C. one other crew member
D. No other signature is required.
[352]If a spill occurs，where would you log it？______.
A. Oil Record Book
B. Bell book
C. Smooth logbook
D. Official Logbook
[353]All events relating to the voyage，such as ship's position，speed and details of the weather，are recorded in ______.
A. Logbook
B. Bell Book
C. Oil Record Book
D. Compass Error Book
[354]A journal kept by the officer of the watch in which day to day happenings are recorded regarding the deck department is the ______.
A. cargo record book
B. deck rough log
C. bell book
D. Official Logbook
[355]______ of the following statements is INCORRECT regarding a fire and boat drill on board your cargo vessel.
A. At least one fire and boat drill shall be held within 24 hours of leaving a port where more than 25 percent of the crew has been replaced．
B. The Master is responsible in seeing that each lifeboat is lowered to the water at least once in each 6 months．
C. Lifeboat equipment shall be examined at least once each month to insure that it is complete．
D. An entry shall be made in the vessel's Official Logbook relative to each fire and boat drill
[356]______ of the following need NOT be entered in the Official Logbook？_______.
A. The testing of the internal combustion engine driven emergency generators at least once each month the vessel is navigated．
B. The testing of storage batteries for emergency lighting and power systems once each 6 months the vessel is navigated．
C. The actual draft when the vessel arrives in salt water after departing a port．
D. The testing of the line-throwing appliance once every 3 months [357]If you carry packaged hazardous cargoes on a break bulk vessel bound foreign，you must ______.
A. stow the hazardous cargoes on deck available for jettisoning if necessary
B. remove the hazardous cargo labels from a portable tank after the tank is emptied
C. have the shipping papers indicate the proper shipping name and the technical name of n.o.s. cargoes
D. log the receipt of hazardous cargoes in the Official Logbook [358]What will be accepted as the shipping papers for an unmanned tank barge but will not be accepted if the tank barge is manned? ______.
A. Bill of Lading
B. Logbook entry
C. Manifest
D. Shipping document
[359]What is NOT accepted as the required shipping papers on a manned and loaded tank barge? ______.
A. Bill of Lading
B. Manifest
C. Shipping document
D. Logbook entry
[360]Every entry required to be made in the Official Logbook shall be signed by the ______.
A. Mate on watch
B. Master and Chief Mate or other member of the crew
C. Master only
D. Purser，one of the Mates，and some other member of the crew [361]A wise Captain gives clear direction in his ______ for the officers on watch to call him if in any doubt whatsoever．
A. Deck Logbook
B. Master's Note
C. Bell Book
D. Master's Standing Orders
[362]______ the abstracts of deck logbook covering the said accident．A. Attached herewith are B. Attached is herewith
C. Attached are hereby
D. Hereby are attached
[363]Which is NOT a required entry in the ship's Official Logbook?
A. Sale of effects of a deceased crew member
B. Medical treatment of an injury
C. Inspections of cargo gear
D. Drydocking of the vessel
[364]A journal kept by the officer of the watch in which day to day happenings are recorded regarding the deck department is the ______.
A. cargo record book
B. deck rough log
C. bell book
D. Official Logbook
[365]A seaman assaults the Second Mate and injures him with a beer bottle while the ship is at sea. The incident is logged in the Official Logbook. In subsequent suspension and revocation proceedings against the seaman，according to the regulations，______
A. the Second Mate and the Master must testify as to the facts of the assault
B. the case will be dismissed if the logbook entries are improperly made
C. the logbook entry is prima facie evidence of the facts if it complies with the law
D. the logbook is inadmissible if the logbook entries do not conform to the law
[366]After your vessel has been involved in a casualty，you are required to make your logbooks，bell books，etc.，available to ______.
A. attorneys for opposition parties
B.marine surveyors
C. MSA officials
D. All of the above
[367]All entries in Logbook，______ made，must not be erased or amended．
A. once
B. whether
C. previous
D. just
[368]All entries in the Official Logbook must be signed by the Master and ______.
A. the Union Representative
B. the person about whom the entry concerns
C. no one else
D. one other crew member
[369]All entries in the Official Logbook must be signed by the Master and ______.
A. the Chief Engineer
B. the person about whom the entry concerns
C. one other crew member
D. No other signature is required.
[370]All of the following records are usually maintained by the
watch-standing officers aboard a vessel EXCEPT the
A. deck logbook
B. official logbook
C. compass record book
D. chronometer error book
[371]In writing up the log book at the end of your watch，you make an error．which of the following is the way to correct the error？______.
A. Carefully and neatly erase the entry and rewrite it correctly
B. Remove this page of the log book and rewrite all entries on a clean page
C. Blot out the error completely and rewrite the entry correctly
D. Cross out the error with a single line and rewrite the entry correctly [372]In writing up the logbook at the end of your watch，you make an error in writing an entry. What is the proper means of correcting this error?
A. Cross out the error with a single line，and write the correct entry，then initial it.
B. Carefully and neatly erase the entry and rewrite it correctly.
C. Remove this page of the log book，and rewrite all entries on a clean page.
D. Blot out the error completely and rewrite the entry correctly. [373]Lifeboat winches on a ship are required to be inspected and an entry made in the logbook. What should this entry include?
A. The time required to lower a lifeboat
B. The time required to raise a lifeboat
C. The date of inspection and condition of the winch
D. All of the above
[374]Logbooks are used to record the events occurring when ______.
A.the ship is in a harbor
B.the ship is at anchorage
C.the ship is underway
D.all of the above
[375]Never make comment，estimate or guess in your Logbook，but ______ only．
A. the specifications
B. the facts
C. the descriptions
D. the details
[376]Official proof of a Chinese vessel's nationality is contained in the ______.
A. Certificate of Inspection
B. Official Log
C. Certificate of Documentation
D. Shipping Articles
[377]Prior to burning or welding on a fuel tank on a ship，regulations require that an inspection be made. An entry in the unofficial logbook is required if this inspection is made by ______.
A. a marine chemist
B. the Officer in Charge，Marine Inspection
C. the Master or person in charge of the ship
D. the National Fire Protection Association
[378]Prior to getting underway in fresh or brackish water，the Master must ______.
A. log the density of the water
B. secure all overboard discharges
C. take on fresh water ballast
D. clean the sides with fresh water
[379]The Master or person in charge of a ship is required to log ______.
A. the names of all persons on board
B. only the names of the crew members on board
C. only the names of passengers on board
D. information on emergency training drills
[380]The proper way to correct a mistake in the logbook is to ______.
A. erase the entry and rewrite
B. draw several lines through the entry，rewrite，and initial the correction
C. completely black out the entry，rewrite，and initial the correction
D. draw one line through the entry，rewrite，and initial the correction [381]The proper way to correct a mistake in the logbook is to ______.
A. erase the entry and rewrite
B. draw several lines through the entry，rewrite，and initiate the correction
C. completely black out the entry，rewrite，and initiate the correction
D. draw one line through the entry，rewrite，and initiate the correction [382]The responsibility for maintaining the Official Logbook on voyages between the Atlantic and Pacific coasts of the United States rests with the ______.
A.Chief Mate of the vessel
B.Master of the vessel
C.Deck Officer of the watch at the time of the occurrence
D.Purser of the vessel
[383]Uncleared crew curios remaining on board during a domestic coastwise voyage after returning from foreign should be ______.
A. listed in the Official Logbook
B. cleared prior to the next foreign voyage
C. noted in the Traveling Curio Manifest
D. retained under locked security by the owner
[384]Under the Pollution Regulations，when you dump garbage in to the sea you must ______.
A. notify Coast Guard or MSA
B. make an entry in the Official Logbook
C. keep a record for two years
D. No action is required if you are more than 25 miles fromland and no plastic materials are dumped.
[385]What is NOT a requirement for testing the line throwing appliance on a vessel?
A. The appliance should be tested every three months.
B. A regular service line should be used when testing.
C. A regular projectile should be used when testing.
D. An entry about the test must be made in the Official Log Book. [386]What is NOT accepted as the required shipping papers on a manned and loaded tank barge?
A. Bill of Lading
B. Manifest
C. Shipping document
D. Logbook entry
[387]What is official proof of a vessel's ownership?
A. Certificate of Documentation
B. Bill of Lading
C. Transfer Certificate
D. Logbook
[388]What is required to be entered into the Official Logbook?
A. Opening a sideport at sea to renew a gasket
B. The annual required stripping and cleaning of the lifeboats
C. The biennial weight test of the lifeboats and falls
D. The drafts on entering port
[389]What must the Master or person in charge of a ship enter in the logbook after conducting a boat drill?
A. Which survival craft was used in the drill
B. The number of each lifeboat not lowered during each drill
C. Only the number of each motor propelled lifeboat that is lowered
D. The length of time an oar propelled lifeboat is rowed
[390]What must the Master or person in charge of a ship enter in the logbook after conducting a boat drill?
A. Which survival craft was used in the drill
B. The number of each lifeboat not lowered during each drill
C. Only the number of each motor propelled lifeboat that is lowered
D. The length of time an oar propelled lifeboat is rowed
[391]What must the Master or person in charge of a ship enter in the logbook after conducting an abandonment drill?
A. The sea condition at the time of the drill
B. Which survival craft was used
C. The names of all crew members participating in the drill
D. The name of the lifeboatman in charge of each boat
[392]What must the Master or person in charge of a ship enter in the logbook after conducting an abandonment drill?
A.The sea condition at the time of the drill
B.Which survival craft was used
C.The names of all crew members participating in the drill
D.The name of the lifeboatman in charge of each boat
[393]What will be accepted as the shipping papers for an unmanned tank barge but will not be accepted if the tank barge is manned?
A. Bill of Lading
B. Logbook entry
C. Manifest
D. Shipping document
[394]When a vessel is entering or leaving a port，a record of engine speeds is kept in the ______.
A. bell book
B. deck rough log
C. Official Logbook
D. engine rough log
[395]When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed，the watch officer should record the results ______.
A. in the vessel's Official Logbook
B. on the compass deviation card
C. in the compass deviation log
D. on a Napier diagram
[396]When are fore and aft draft readings required to be entered in the unofficial logbook of a ship?
A. Once a day
B. Once a week
C. Prior to getting underway
D. Only when entering waters of different density
[397]When is the density of the water required to be logged in the logbook of a ship?
A.Any time the vessel moves from water of one density into waters of a different density
B.Prior to getting underway when the vessel is floating in fresh or brackish water
C.Only when the vessel moves from fresh water into salt water
D.The density of the water is not required to be logged in the unofficial logbook
[398]When must the Master of a vessel log the position of load line marks in relation to the surface of the water in the Official Logbook? A. Once a day B. At the change of every watch
C. Only when in fresh or brackish water
D. Prior to getting underway
[399]When oil is discharged overboard，an entry is required in the
______.
A. engine rough log
B. Oil Record Book
C. Official Logbook
D. deck rough log
[400]When oily ballast has been pumped overboard，an entry must be made ______.
A. Oil Record Book in the
B. Official Logbook
C. deck rough log
D. engine rough log
四、海上避碰规则
[2451]A sailing vessel is overtaking a steam vessel in a fairway on International waters，so as to pass on the steam vessel's port side．The sailing vessel is the ____.
A. privileged vessel and would sound two short blasts．
B. burdened vessel and would sound two prolonged blasts followed by two short blasts．
C. burdened vessel and would sound no whistle signal．
D. privileged vessel and would sound no whistle signal．
[2452]A stand-on vessel in a crossing situation is allowed to take action when ______.
A.on a collision course
B.the vessels will pass within one mile
C. it becomes apparent to her that the give-way vessel is not taking appropriate action
D. the relative speed of the vessels indicates collision in less than six minutes
[2453]A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing?
A. Length of the towline
B. Height of the towline connection
C. Longitudinal position of the towline connection
D. Direction of opposing force
[2454]A vessel constrained by her draught shall，when risk of collision with another vessel in a crossing or head-on situation exists，______. A. apply the relevant Steering and Sailing Rules as a power-driven vessel
B. apply the relevant Steering and Sailing Rules as a Sailing vessel
C. apply the relevant Steering and Sailing Rules as a vessel not under command
D. apply the relevant Steering and Sailing Rules as a vessel engaged in a towing operation．
[2455]A vessel engaged in fishing underway sounds the same fog signal as a ______.
A. power-driven vessel stopped and making no way through the water
B. vessel being towed
C. vessel restricted in her ability to maneuver at anchor
D. sailing vessel at anchor
[2456]A vessel has sustained damage in a collision with another vessel. It is necessary to have a Seaworthy Certificate before the vessel sails. Who will issue this certificate?
A. American Consul
B. Classification Society
C. Captain of the Port
D. Officer in Charge，Marine Inspection
[2457]A vessel is approaching from dead ahead．Both of her sidelights are visible and her range lights are in line．Which of the following could you do first？______.
A. Sound one blast of the whistle．
B. Alter course to starboard．
C. Construct a radar plot．
D. Sound the danger signal．
[2458]A vessel is in sight of another vessel when ______.
A. she can be observed by radar
B. she can be observed visually from the other vessel
C. she can be plotted on radar well enough to determine her heading
D. her fog signal can be heard
[2459]A vessel is in sight of another vessel when she ___.
A. can be observed by radar
B. has determined that risk of collision exists
C. is sounding a fog signal which can be heard on the other vessel
D. can be observed visually from the other vessel
[2460]A vessel restricted in her ability to maneuver is one which
______.
A. through some exceptional circumstance is unable to maneuver as required by the Rules
B. from the nature of her work is unable to maneuver as required by the Rules
C. due to adverse weather conditions is unable to maneuver as required by the Rules
D. has lost steering and is unable to maneuver
[2461]All of the following are practices of good seamanship EXCEPT ______.
A. When meeting，altering course to the left to increase sea room．
B. Maintaining an alert radar watch in reduced visibility．
C. Showing a flare-up light to attract attention when you are not under command．
D. Maintaining a proper lookout from sunrise to sunset．
[2462]All of the following constitute special circumstances EXCEPT
______.
A. Three vessels meeting so as to cross each other's course．
B. A vessel meeting a vessel that is backing out of a slip．
C. An overtaking situation that has reached in extremis．
D. A vessel fishing with nets meeting a sailing vessel．
[2463]Any alteration of course and／or speed to avoid collision shall，if the circumstances of the case admit，______ to another vessel observing visually or by radar．
A. be large enough to be readily apparent
B. be a succession of small alterations
C. be with due regard to the power and speed of the vessel
D. leave sufficient room for the other vessel to take action．
[2464]Any vessel ______ any other shall keep out of the way of the vessel ______.
A. overtaking／overtaken
B. being overtake／being overtaken
C. overtaking／being overtaken
D. being overtaking／overtaken．
[2465]If it becomes necessary for a stand-on vessel to take action to avoid collision，she shall NOT，if possible，______.
A. decrease speed
B. increase speed
C. turn to port for a vessel on her own port side
D. turn to starboard for a vessel on her own port side
[2466]If there is any doubt as to the proper operation of a radar，which statement is TRUE? ______.
A. Only a radar expert can determine if the radar is operating.
B. All radars have indicator lights and alarms to signal improper operation.
C. A radar range compared to the actual range of a known object can be used to check the operation of the radar.
D. The radar resolution detector must be energized to check the radar. [2467]If there is sufficient sea room，alteration of ______ may be the most effective action to avoid close-quarters situation．
A. speed and course
B. speed alone
C. course alone
D. speed or course．
[2468]If your vessel is underway in fog and you hear one prolonged and three short blasts，this is a ______.
A. vessel not under command
B. sailing vessel
C. vessel being towed (manned)
D. vessel being towed (unmanned)
[2469]In a crossing situation on open waters，a sailing vessel shall keep out of the way of all the following vessels EXCEPT a vessel ______.
A.not under command
B.restricted in her ability to maneuver
C. engaged in towing
D. fishing
[2470]In determining if risk of collision exists the following considerations shall be among ______.
A. these taken into calculation
B. those taking into account
C. that taken into account
D. those taken into account．
[2471]In determining safe speed，the Rules list all of the following as factors which must be taken into account EXCEPT the ______.
A. limitations of radar equipment
B. presence of background lights at night
C. maximum horsepower of your vessel
D. maneuverability of your vessel
[2472]In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should
______.
A. stop your engines
B. sound the danger signal at two-minute intervals
C. hold course and speed until the other vessel is sighted
D. take avoiding action as soon as possible
[2473]In order for a vessel to be engaged in fishing she must be
______.
A. underway
B. using gear which extends more than 50 meters outboard
C. using a seine of some type
D. using gear which restricts her maneuverability
[2474]In order to maintain speed while changing course from a close reach to a broad reach，the sails should be
A. lowered
B. reefed
C. hauled in
D. eased out
[2475]In reduced visibility，you hear two prolonged blasts of a whistle. This signal is sounded by a ______.
A. power-driven vessel dead in the water
B. sailing vessel on the port tack
C. vessel not under command
D. vessel fishing with nets
[2476]In restricted visibility a towed vessel must sound a fog signal when it is ______.
A. the last vessel in the tow
B. the last vessel in the tow and it is carrying a crew
C. manned，regardless of its position in the tow
D. None of the above are correct
[2477]In restricted visibility the speed of a vessel without operational radar may be ______ enable effective avoiding action to be taken on sighting another ship．
A. too low to
B. too high to
C. too high for
D. too low for．
[2478]In the daytime，you see a large sailing vessel on the beam. You know that she is also propelled by machinery if she shows ______.
A. a basket
B. a black ball
C. a black cone
D. two black cones
[2479]It has often been stressed in the Courts that the look-out man should，preferably，be stationed forward，unless weather conditions make this ______.
A. possible
B. practicable
C. impossible
D. probably．
[2480]On open waters，a power-driven vessel shall keep out of the way of a ______.
A. vessel on her port side that is crossing her course
B. vessel that is overtaking her
C. seaplane on the water
D. sailing vessel
[2481]On open waters，a vessel fishing is in a crossing situation with a vessel sailing located on the fishing vessel's starboard side. Which vessel is the stand-on vessel? ______.
A. The fishing vessel because it is to port of the sailing vessel.
B. The fishing vessel because it is fishing.
C. The sailing vessel because it is to starboard of the fishing vessel.
D. The sailing vessel because it is sailing.
[2482]Power-driven vessels must keep out of the way of sailing vessels except ______.
A. in a crossing situation
B. when they are making more speed than the power-driven vessel
C. when the sailing vessel is overtaking
D. on the Inland Waters of the United States
[2483]Risk of collision is considered to exist if ______.
A. four vessels are nearby
B. a vessel has a steady bearing at a constant range
C. there is any doubt that a risk of collision exists
D. a special circumstance situation is apparent
[2484]Sailing vessels are stand-on over power-driven vessels except ______.
A. in a crossing situation
B. in a meeting situation
C. when they are the overtaking vessel
D. on the inland waters of the PR China.
[2485]The effectiveness of the action shall be carefully checked until the other vessel is finally ______.
A. past
B. clear
C. past or clear
D. past and clear．
[2486]The risk of collision shall be deemed to exist if the compass bearing of an approaching vessel ______.
A. did not appreciably change
B. does not appreciably change
C. do not appreciably change
D. not appreciably change
[2487]The rules require that a stand-on vessel SHALL take action to avoid collision when she determines that
A. risk of collision exists
B. the other vessel will cross ahead of her
C. the other vessel is not taking appropriate action
D. collision cannot be avoided by the give-way vessel's maneuver alone
[2488]The Rules state that certain factors are to be taken into account when determining safe speed. One of the factors is the ______.
A. radio communications that are available
B. maximum speed of your vessel
C. temperature
D. current
[2489]The Rules state that certain factors are to be taken into account when determining safe speed. Those factors include ______.
A. state of wind，sea，and current，and the proximity of navigational hazards
B. maximum attainable speed of your vessel
C. temperature
D. aids to navigation that are available
[2490]The steering and sailing rules for vessels in restricted visibility apply to vessels ______.
A. in sight of one another in fog
B. navigating in or near an area of restricted visibility
C. only if they are showing special purpose lights
D. only if they have operational radar
[2491]The term power-driven vessel means ______ in these Rules．
A. any sailing vessel with propelling machinery
B. any vessel propelled by machinery
C. any sailing vessel with or without machinery for propelling
D. any sailing vessel with propelling machinery not in use．
[2492]The term restricted visibility，when used in the Rules，refers to ______.
A. situations when you can see vessels on radar that you cannot see visually
B. visibility of less than half a mile
C. any condition where visibility is restricted
D. visibility where you cannot see shore
[2493]The wind is ESE，and a sailing vessel is steering NW. Which fog signal should she sound?
A. One blast at one-minute intervals
B. One blast at two-minute intervals
C. Two blasts at one-minute intervals
D. One prolonged and two short blasts at two-minute intervals [2494]Under International Rules ______.
A. all vessels must carry an after range light．
B. vessels less than 50 meters in length need not carry an after range light．
C. vessels stopped dead in the water should turn off their range lights．
D. vessels over 20 meters in length must carry both range lights from sunset to sunrise．
[2495]Underway vessels shall at all time maintain a proper look-out ______.
A. by sight and hearing only
B. by all available means besides sight and hearing
C. by all available means except sight and hearing
D. by none of above means．
[2496]Vessel constrained by her draught is ______.
A. a non-power driven vessel
B. a sailing vessel
C. a power driven vessel
D. a power driven vessel or a non-power driven vessel．
[2497]Vessel underway means that a vessel is ______.
A. on the way
B. at anchor
C. made fast to a terminal
D. moving against water．
[2498]Vessels shall be deemed to be in sight of one another only when one ______ from the other．
A. can be observed visually
B. can be observed by radar
C. can be located on the radar
D. can be heard．
[2499]What determines if a vessel is restricted in her ability to maneuver? ______.
A. Whether or not all of the vessel's control equipment is in working order
B. The vessel's draft in relation to the available depth of water
C. Whether the nature of the vessel's work limits maneuverability required by the Rules
D. Whether or not the vessel is the give-way vessel in a meeting situation
[2500]When a pushing vessel and a vessel being pushed are rigidly connected in a composite unit，they shall be regarded as ______.
A. a tugboat
B. a sailing vessel
C. a power-driven vessel
D. a vessel propelled by machinery and under sail
五、航行值班与海上避碰
[2501]You are approaching another vessel and are not sure whether danger of collision exists. You must assume ____.
A. there is a risk of collision
B. you are the give-way vessel
C. the other vessel is the give-way vessel
D. there is no risk of collision
[2502]You are in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must ______.
A. stop your engines
B. sound two prolonged blasts of the whistle
C. sound the danger signal
D. slow to bare steerageway
[2503]While underway at night you observe a vessel's range lights in line off your starboard beam．You should .
A. come right．
B. sound the danger signal．
C. continue on your course．
D. come left．
[2504]Where does the look-out man stand？______.
A. In positions in which the noises in the ship are least likely to interfere with the hearing of a fog signal and the man can see clearly．
B. In positions in which the noises in the ship are much likely to interfere with the hearing of a fog signal．
C. In positions in which the hearing of a signal is reduced to a minimum．
D. In a position in which the man can see clearly．
[2505]When your vessel enters thick fog，she should sound ______ every two minutes in accordance with these Rules．
A. one short blast
B. one prolonged blast
C. two short blasts
D. three short blasts．
[2506]When you doubt the existence of risk of collision，
A. such risk shall be deemed to exist
B. such risk shall not be deemed to exist
C. you needn't take any action to avoid collision with any vessel
D. you should accelerate your speed ahead．
[2507]When two power-driven vessels are meeting on reciprocal or nearly reciprocal courses so as to involve risk of collision，they shall be deemed to be in ______.
A. crossing situation
B. head-on situation
C. restricted visibility
D. overtaking situation．
[2508]When in sight of another vessel，any action taken to avoid collision must ______.
A. be accompanied by sound signals
B. not result in another close quarters situation
C. include a speed change
D. All of the above
[2509]When a vessel sees the other ahead or nearly ahead，by night she could see the masthead lights of the other in a line or nearly in a line or both side lights，______ shall be deemed to exist．
A. head-on situation
B. end-situation
C. crossing situation
D. close-quaters situation．
[2510]In determining safe speed，all of the following must be taken into account EXCEPT the ______.
A. maximum horsepower of your vessel
B. presence of background lights at night
C. draft of your vessel
D. maneuverability of your vessel
[2511]In determining if risk of collision exists，if there is any doubt，such risk shall be deemed to ______.
A. exist
B. exists
C. existing
D. to be existed．
[2512]In determining a safe speed ______ shall not be among those taken into account．
A. the characteristics，efficiency and limitation of the radar equipment
B. any constraints imposed by the radar range scale in use
C. the effect on radar detection of the sea state，weather and other sources of interference．
D. the safe working load of the cranes both on board and ashore．[2513]In determining a safe speed ______ shall not be among those taken into account．
A. the presence of the background light at night
B. the state of wind，sea and current
C. the number of crew on board
D. the draught in relation to the available depth of water．
[2514]In determining a safe speed ______ shall not be among those taken into account．
A. the state of visibility
B. the power of the vessel
C. the traffic density
D. the maneuverability of the vessel．
[2515]In dense fog a vessel without operational radar may not be justified ______ at all but should anchor if it is safe and practicable for her to do so．
A. to be underway
B. on under way condition
C. to stop engine
D. in being under way．
[2516]In complying with the Rules，of what must the mariner take due regard? ______.
A. Limited backing power of his vessel
B. Radar information about nearby vessels
C. The occupation of the other vessel，if known
D. All of the above
[2517]In a crossing situation，the stand-on vessel should normally
______.
A. take action to cross ahead of the other vessel
B. take action to pass astern of the other vessel
C. maintain course and speed
D. change course and increase speed
[2518]In a crossing situation，a stand-on vessel which is forced to take action in order to avoid collision with a vessel on her own port side shall，if possible，avoid
A. turning to port
B. turning to starboard
C. decreasing speed
D. increasing speed
[2519]If the circumstances of the case admit，any vessel ______ in a narrow channel．
A. shall have the liberty to anchor
B. shall avoid anchoring
C. shall moor to a buoy when necessary
D. shall keep anchoring．
[2520]If the circumstances admit，______ of small alteration of course and speed shall not be taken to avoid collision．
A.depression
B.oppression
C.succession
D.possession
[2521]If a vessel of special construction cannot fully comply with the Rules，her degree of compliance shall be determined by ______.
A. IMO
B. The owners of the vessel．
C. The government．
D. The builder．
[2522]If a vessel is engaged in fishing according to the definitions in the Rules，it will have ______.
A. gear extending from the side or stern
B. gear that restricts maneuverability
C. less than 50 percent trolling lines
D. None of the above
[2523]If a seaplane is not used as a means of transpiration on water but is capable of being used so，it shall ______.
A. be regarded as a vessel not under command
B. be regarded as a vessel underway
C. be regarded as a vessel
D. be regarded as a sailing vessel．
[2524]Which statement about the Navigation Rules is TRUE? ______. A. The rules require vessels to comply with Traffic Separation Scheme regulations.
B. The rules use the term safe speed.
C. The Rules permit a stand-on vessel to take action prior to being in extremis.
D. All of the above are correct.
[2525]The Rules state that vessels may depart from the Rules when ______.
A. there are other vessels in the vicinity
B. operating in a traffic separation scheme
C. engaged in a situation involving more than two vessels
D. necessary to avoid immediate danger
[2526]Vessels，______ support vessels，should not enter the safety zone of a deepwater port unless clearance has been obtained from the Vessel Traffic Supervisor．
A.besides
B.excepted
C.otherwise
D.other than
[2527]One of the factors which affects the circulation of ocean currents is ______.
A. humidity
B. varying densities of water
C. vessel traffic
D. the jet stream
[2528]A head-on situation at night is one in which you see ______.
A. one sidelight of a vessel ahead of you
B. one sidelight and a masthead light of a vessel ahead of you
C. one sidelight，a masthead light，and a range light of a vessel ahead of you
D. both sidelights of a vessel dead ahead of you
[2529]A proper look-out must be kept ______.
A. only in fog
B. only between the hours of sunset and sunrise
C. only when entering and leaving port
D. at all times
[2530]A proper look-out shall be maintained ______.
A. only at night
B. only during restricted visibility
C. at night and during restricted visibility
D. at all times
[2531]A vessel _____a crossing vessel，shall not normally enter a separation zone or cross a separation line．
A. including
B. inclusive of
C. except that
D. other than．
[2532]A vessel ______ when underway shall so far as possible，keep out of the way of a vessel not under command．
A. having engaged in fishing
B. engaging in fishing
C. engaged in fish
D. engaged in fishing．
[2533]A vessel aground at night is required to show two red lights in a vertical line as well as ______.
A. not under command lights
B. restricted in her ability to maneuver lights
C. anchor lights
D. sidelights and a sternlight
[2534]A vessel approaching a narrow channel shall _____.
A. avoid crossing the channel if it impedes another vessel navigating in the channel
B. not overtake any vessels within the channel
C. keep as close as possible to the edge of the channel on her port side
D. anchor only in the middle of the channel
[2535]A vessel approaching your vessel from 235°relative is in what type of situation? ______.
A. Meeting
B. Overtaking
C. Crossing
D. Passing
[2536]A vessel being pushed ahead is required to carry which of the following lights？______.
A. Sidelights and a stern light．
B. Sidelights only．
C. Sidelights and a small white light at each end．
D. A small white light at each end．
[2537]A vessel being towed astern shall show at night ___.
A. the lights required for a power-driven vessel underway
B. only the required masthead lights
C. a sternlight only
D. sidelights and a sternlight
[2538]A vessel being towed will show ______.
A. a forward masthead light
B. sidelights and a sternlight
C. a towing light
D. All of the above
[2539]A vessel conducting mine clearing operations will show ______.
A.three balls in a vertical line
B.two balls in a vertical line
C.one ball near the foremast and one ball at each fore yard
D.one diamond near the foremast head and one ball at each fore yard [2540]A vessel constrained by her draught may，in addition to the lights prescribed for power-driven vessels in Rule 23，exhibit where they can best be seen ______ or a cylinder．
A. two all-round red lights in a vertical line
B. three all-round red lights in a vertical line
C. two all-round yellow lights in a vertical line
D. three all-round green lights in a vertical line．
[2541]A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE? ______.
A. The vessel has negative GM.
B. The center of gravity is on the centerline.
C. The list can be corrected by reducing KM.
D. The vessel has asymmetrical weight distribution.
[2542]A vessel crossing a river on the Western Rivers has the right of way over ______.
A. vessels ascending the river
B. vessels descending the river
C. all vessels ascending and descending the river
D. None of the above
[2543]A vessel enagaged in fishing，and at anchor，shall show ______.
A. an anchor light
B. sidelights and a sternlight
C. three lights in a vertical line，the highest and lowest being red，and the middle being white
D. None of the above
[2544]A vessel engaged in fishing during the day would show ______.
A. one black ball
B. two cones with bases together
C. a cone，apex downward
D. two cones，apexes together [2545]A vessel engaged in fishing must display a light in the direction of any gear that extends outward more than 150 meters. The color of this light is ______.
A. white
B. green
C. red
D. yellow
[2546]A vessel engaged in fishing shall keep out of the way of a vessel ______.
A.under sail
B.restricted in her ability to maneuver
C. crossing a channel
D. All of the above
[2547]A vessel engaged in mine clearance operations is called ______.
A. a vessel restricted in her ability to maneuver
B. a vessel not under command
C. a vessel constrained by her draught
D. a vessel not under way．
[2548]A vessel engaged in trawling will show identification lights of
______.
A. a red light over a white light
B. a white light over a red light
C. a green light over a white light
D. two red lights in a vertical line
[2549]A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights .
A. do not interfere with the keeping of a proper look-out
B. are not the color of either sidelight
C. have a lesser range than the prescribed lights
D. All of the above
[2550]As look-out，you spot an object 45°off your port bow. You should report the object as ______.
A. broad on the port bow
B. 3 points on the port bow
C. 3 points forward of the port beam
D. on the port beam
六、分道通航制
[2551]You are advised to enter the traffic route at about 1730 hours，because a vessel is scheduled to enter at the time when you intended to enter．What can you understand from this seaspeak？______.
A. It's a warning of navigation for my vessel．
B. It's an advice from Port Control to order my vessel not enter the traffic route of the harbor．
C. It's an advice to change my estimated time of entering the traffic route．
D. It's an order from the VTS to indicate my vessel to follow the traffic route．
[2552]Which of the following statements is (are) correct regarding ship handling when in the vicinity of Traffic Separation Schemes？______ ①A vessel shall，so far as practicable，avoid crossing traffic lanes．②If obliged to cross traffic lanes，shall do so as nearly as practicable at right angles to the general direction of traffic flow．
A.①only
B.②only
C.Both ①and ②
D.Neither ①nor ②
[2553]Which of the following is (are) correct regarding ship handling when in the vicinity of traffic separation schemes？______ ①Normally join or leave a traffic lane at the termination of the lane．When joining or leaving from the side you shall do so at as large an angle to the general direction of the traffic flow as practicable．②A vessel shall，so far as practicable，avoid crossing traffic lanes，but if obliged to do so shall cross as nearly as practicable at right angles to the general direction of traffic flow．
A.①only
B.②only
C.Both ①and ②
D.Neither ①nor ②
[2554]Vessel shall normally join or leave a traffic lane ______ of the lane．
A. from right side
B. from left side
C. at the termination
D. from either side．
[2555]Traffic separation schemes may be ______ by the Organization for the purpose of these Rules．
A. adopted
B. adapted
C. adjusted
D. admitted．
[2556]The VTS has been designed to aid in ______.
A. the prevention of collision
B. the promotion of the traffic flow
C. the complying of port regulation
D. the development of navigational technique．
[2557]The rule regarding look-outs applies ______.
A.in restricted visibility
B.between dusk and dawn
C.in heavy traffic
D.All of the above
[2558]If obliged to cross traffic lanes，a vessel shall do so on a heading as nearly as practicable ______ to the general direction of traffic flow．
A. at small angle
B. at large angle
C. at right angle
D. in same direction as．
[2559]A vessel，other than a crossing vessel，shall not normally enter a traffic separation zone or cross a separation line EXCEPT ______. ①In cases of emergency to avoid immediate danger．②To engage in fishing within a separation zone．
A. ①only．
B. ②only．
C. Either ①or ②
D. Neither ①nor ②
[2560]A vessel when joining or leaving from the side of a traffic separation scheme shall do so at as ______ to the general direction of traffic flow as practicable．
A. small an angle
B. large an angle
C. either small or large an angle
D. neither small nor large an angle．
[2561]A vessel using a traffic separation scheme shall so far as practicable ______ a traffic separation line or separation zone．
A. keep well clear
B. keep very far
C. keep clear of
D. keep clear from．
[2562]A vessel using a traffic separation scheme shall normally join or leave a traffic lane at the ______ of the lane．
A. ended
B. terminative
C. termination
D. side．
[2563]A vessel using a traffic separation scheme is forbidden to ______.
A. proceed through an inappropriate traffic lane
B. engaged in fishing in the separation zone
C. cross a traffic lane
D. enter the separation zone，even in a emergency
[2564]A vessel shall so far as practicable avoid ______ in a traffic separation scheme or in areas near its terminations．
A.sailing
B.proceeding
C.anchoring
D.maneuvering．
[2565]A vessel shall not ______.
A. enter the traffic separation zone in an emergency．
B. cross a traffic lane．
C. engage in fishing in the separation zone．
D. proceed in an inappropriate traffic lane．
[2566]A vessel restricted in her ability to maneuver when engaged in an operation for the maintenance of safety of navigation in a traffic separation scheme is ______ complying with this rule to the extent necessary to carry out the operation．
A. obliged
B. to be
C. exempted from
D. necessarily．
[2567]A vessel not using a traffic separation scheme shall avoid it by as wide a ______ as is practicable．
A. margin
B. legend
C. legion
D. maiden．
[2568]A vessel navigate in areas near the termination of traffic separation schemes shall do ______ with particular caution．
A. it
B. that
C. this
D. so．
[2569]A vessel may enter a traffic separation zone ____.
A. in an emergency
B. to engage in fishing within the zone
C. to cross the traffic separation scheme
D. Any of the above
[2570]You may ______ traffic lane．
A. enter
B. enter in
C. enter to
D. enter into
[2571]You are not complying ______ traffic regulations．
A. to
B. who
C. on
D. with
[2572]The traffic lane ______ suspended．
A. has
B. have
C. has been
D. have been
[2573]Is it clear ______ traffic lane？
A. my entering
B. for my entering
C. for me to enter
D. I am entering
[2574]Traffic separation schemes established by the International Maritime Organization ______.
A. provide routing and scheduling procedures to reduce shipping delays
B. provide traffic patterns in congested areas，so that vessels can operate without having a separate lookout
C. provide inbound and outbound lanes to promote the safe flow of vessel traffic
D. prohibit vessels carrying hazardous cargoes from entering waters that are environmentally sensitive
[2575]There are two classes of vessels which，to the extent necessary to carry out their work，do not have to comply with the rule regarding traffic separation schemes. One of these is a vessel ______.
A. engaged in fishing in a traffic lane
B. servicing a submarine cable
C. towing another
D. engaged on pilotage duty
[2576]The outer limit of the Traffic Separation Schemes is ______ adjustment as necessary to comply with the port regulations．
A. subjecting
B. subject
C. subjected
D. subject to
[2577]Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as
______.
A. merchant vessel reporting systems
B. traffic separation schemes
C. collision avoidance fairways
D. restricted maneuverability channels
[2578]In a traffic separation scheme，when joining a traffic lane from the side，a vessel shall do so ______.
A. only in case of an emergency or to engage in fishing within the zone
B. as nearly as practical at right angles to the general direction of traffic flow
C. at as small an angle as possible
D. only to anchor within the zone
[2579]A vessel using a traffic separation scheme shall .
A. only anchor in the separation zone
B. cross a traffic lane at as small an angle as possible
C. avoid anchoring in areas near the termination of the scheme
D. utilize the separation zone for navigating through the scheme if she is impeding other traffic due to her slower speed
[2580]A traffic separation zone is that part of a traffic separation scheme which ______.
A. is between the scheme and the nearest land
B. contains all the traffic moving in one direction
C. is designated as an anchorage area
D. separates traffic proceeding in one direction from traffic proceeding in the opposite direction
[2581]A 20-meter power-driven vessel pushing ahead or towing alongside will display ______.
A. a single white light forward
B. two masthead lights in a vertical line
C. two towing lights in a vertical line
D. two all-round red lights where they can best be seen
[2582]A facility used for the discharge of a cargo of a particular hazard，such as chlorine，butane or ethane，must have what to warn water traffic of an immediate danger during fire or cargo release?
A. An emergency boat and crew
B. A siren or rotating flashing light
C. Flashing red lights located one-half mile upstream and downstream of the facility
D. Buoys with flashing lights controlled from shore，located one-half mile upstream and downstream of the facility
[2583]A fishing vessel is approaching a vessel not under command. Which statement is TRUE?
A. The fishing vessel must keep clear of the vessel not under command.
B. If the vessel not under command is a power-driven vessel，she must keep clear of the fishing vessel.
C. They must exchange whistle signals.
D. Both vessels are required to take action to stay clear of each other. [2584]A light used to signal passing intentions must be an ______.
A. alternating red and yellow light
B. alternating white and yellow light
C. all-round white or yellow light
D. all-round white light only
[2585]A power-driven vessel leaving a quay or wharf must sound what signal?
A. Three short blasts
B. A long blast
C. A prolonged blast
D. No signal is required.
[2586]A power-driven vessel pushing aheador towing alongside displays navigation lights and ______.
A. two all-round red lights in a vertical line
B. two yellow towing lights in a vertical line
C. two white masthead lights in a vertical line
D. two lights on the stern，one yellow and one white
[2587]A sailing vessel is overtaking a power-driven vessel in a narrow channel，so as to pass on the power-driven vessel's port side. The overtaken vessel will have to move to facilitate passage. The sailing vessel is the ______.
A. stand-on vessel and would sound two short blasts
B. give-way vessel and would sound no whistle signal
C. stand-on vessel and would sound no whistle signal
D. give-way vessel and would sound two prolonged blasts followed by two short blasts
[2588]A sailing vessel shall not impede the safe passage of a ______.
A. power-driven vessel following a traffic lane
B. pilot vessel enroute to a pilot station
C. law enforcement vessel
D. All of the above
[2589]A signal of intent must be sounded in international waters by ______.
A. a vessel meeting another head-on
B. a vessel overtaking another in a narrow channel
C. a vessel crossing the course of another
D. the give-way vessel in a crossing situation
[2590]A signal of one prolonged，one short，one prolonged，and one short blast，in that order is given by a vessel ______.
A. engaged on pilotage duty
B. in distress
C. at anchor
D. being overtaken in a narrow channel
[2591]A towing light ______.
A. flashes at regular intervals of 50-70 flashes per minute
B. is yellow in color
C. shows an unbroken light over an arc of the horizon of not less than 180°nor more than 225°
D. All of the above
[2592]A towing light is ______.
A. shown at the bow
B. white in color
C. shown in addition to the sternlight
D. an all-round light
[2593]A towing light is ______.
A. shown below the sternlight
B. white in color
C. displayed at the masthead
D. a yellow light having the same characteristics as the stern light [2594]A vessel constrained by her draft may display ___.
A.three all-round red lights
B.two 225°red lights
C.three all-round blue lights
D.two 225°blue lights
[2595]A vessel constrained by her draft may display ____.
A. three all-round red lights instead of the lights required for a
power-driven vessel of her class
B. the same lights as a vessel restricted in her ability to maneuver
C. three all-round red lights in addition to the lights required for a power-driven vessel of her class
D. the lights for a power-driven vessel which is not under command [2596]A vessel displaying three red lights in a vertical line is ______.
A. not under command
B. aground
C. dredging
D. constrained by her draft
[2597]A vessel not under command sounds the same fog signal as a vessel ______.
A. towing
B. constrained by her draft
C. under sail
D. All of the above
[2598]A vessel sounds one short blast. This signal indicates the vessel ______.
A. intends to alter course to starboard
B. intends to pass starboard to starboard
C. is altering course to starboard
D. intends to pass port to port
[2599]A vessel using a traffic separation scheme shall
A. only anchor in the separation zone
B. avoid crossing traffic lanes，but if obliged to do so，shall cross on a heading at as small an angle as is practical
C. avoid anchoring in areas near the termination of the scheme
D. use the separation zone for navigation through the scheme if she is hindering other traffic due to her slower speed
[2600]A whistle signal of one prolonged，one short，one prolonged and one short blast，is sounded by a vessel ____.
A. at anchor
B. towing a submerged object
C. being overtaken in a narrow channel
D. in distress
七、号灯与号型
[2601]While underway，in fog，you hear a whistle signal of one prolonged blast followed by two short blasts. This signal is sounded by a vessel ______.
A. not under command
B. being towed
C. on pilotage duty
D. aground
[2602]Which vessel，when anchored at night，is NOT required to show anchor lights? ______.
A. A power-driven vessel
B. A vessel engaged on pilotage duty
C. A vessel dredging
D. A vessel restricted in her ability to maneuver
[2603]Two short blasts of the whistle have all of the following meanings EXCEPT ______.
A. I intend to meet you starboard to starboard．
B. I do not intend to hold course and speed．
C. I intend to overtake you on your port side．
D. I intend to alter my course to port．
[2604]A vessel will NOT show sidelights when ______.
A. underway but not making way
B. making way，not under command
C. not under command，not making way
D. trolling underway
[2605]A 200-meter vessel is aground in fog. Which signal is optional?
A. A bell signal
B. A gong signal
C. A whistle signal
D. All of the above
[2606]A 200-meter vessel restricted in her ability to maneuver，at anchor，will sound a fog signal of ______.
A.a 5 second ringing of a bell forward and a 5 second sounding of a gong aft at intervals of 1 minute
B.one prolonged followed by two short blasts every 2 minutes
C.one prolonged followed by three short blasts every minute
D.one prolonged followed by three short blasts every 2 minutes [2607]A 95-meter vessel aground sounds which fog signal?
A.A rapid ringing of a bell for 5 seconds every two minutes
B.A whistle signal of one short，one prolonged，and one short blast
C.A prolonged blast of the whistle at intervals not to exceed one minute
D.A rapid ringing of a bell for 5 seconds，preceded and followed by three separate and distinct strokes on the bell
[2608]A drawbridge may use visual signals to acknowledge a vessel's request to open the draw. Which signal indicates that the draw will NOT be opened immediately?
A. A flashing amber light
B. A fixed red light
C. A white flag raised and lowered vertically
D. A flashing white light
[2609]A flashing light is a light that ______.
A. flashes at regular intervals at a frequency of 120 flashes or more per minute
B. is yellow in color
C. is visible over an arc of the horizon of not less than 180°nor more than 225°
D. All of the above
[2610]A fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a ______.
A. vessel being towed
B. fishing vessel engaged in trawling
C. vessel at anchor warning of her location
D. power-driven pilot vessel on station underway
[2611]A power driven vessel when towing and the length of the tow exceeds 200 meters shall exhibit during daylight hours where they can best be seen which of the following shapes?
A. a diamond shape
B. two cones，apexes together
C. a black ball
D. one cone，apex upward
[2612]A power-driven fishing vessel is underway on the high seas and is not engaged in fishing．Which of the following factors determines what lights she will show？
A. Whether she is normally a fishing or a trawling vessel．
B. Her gross tonnage．
C. Her length
D. The type of gear she carries．
[2613]A power-driven vessel not under command at night must show her sidelights when ______.
A. making headway
B. making no headway
C. moored to a buoy
D. at anchor
[2614]A power-driven vessel shall have her engine ready for ______ when the visibility is restricted．
A. immediately stop
B. immediately maneuvering
C. immediately anchoring
D. immediately going astern．
[2615]A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show ______.
A. three masthead lights in a vertical line instead of either the forward or after masthead light
B. two masthead lights in a vertical line instead of either the forward or after masthead lights
C. two towing lights in a vertical line at the stern
D. a small white light aft of the funnel
[2616]A power-driven vessel underway shall keep out of the way of ______.
A. a vessel restricted in her ability to maneuver
B. a vessel under command
C. a passenger ship
D. a seaplane on the water．
[2617]A power-driven vessel，when towing astern，shall show ______.
A. two towing lights in a vertical line
B. a towing light in a vertical line above the sternlight
C. two towing lights in addition to the sternlight
D. a small white light in lieu of the sternlight
[2618]A red triangular daymark marks______.
A. the centerline of a navigable channel
B. the starboard side of a channel
C. a prominent object of navigational interest that has no lateral significance
D. area of a channel where passing another vessel is permitted [2619]A safe water daymark has what shape?
A. Triangular
B. Diamond
C. Circular
D. Octagonal
[2620]A single towing light will be carried above a vessel's sternlight ______.
A. only if she is towing astern
B. only if the tow exceeds 200 meters
C. at any time when towing
D. if the towing vessel is part of a composite unit
[2621]A towing light is a yellow light having the same characteristics as a(n)______.
A. special flashing light
B. anchor light
C. sternlight
D. masthead light
[2622]A towing light，according to the Rules，is a ______.
A. white light
B. red light
C. yellow light
D. blue light
[2623]A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night?
A. One
B. Two
C. Three
D. Four
[2624]A triangular daymark would be colored ______.
A. red
B. red and white
C. green
D. green and white
[2625]A tug is towing three manned barges in line in fog. The first vessel of the tow should sound ______.
A. no fog signal
B. one short blast
C. one prolonged and three short blasts
D. one prolonged，one short，and one prolonged blast
[2626]A vessel being towed astern，where the length of the tow exceeds 200 meters，will exhibit ______.
A. two balls in a vertical line
B. a diamond shape where it can best be seen
C. a ball on each end of the tow
D. no dayshape
[2627]A vessel is fishing at anchor on the high seas．Which of the following day signals should she display if she has gear extending out over 150 meters horizontally from the vessel？______.
A. A black ball in the forepart of her vessel．
B. A black double frustum of a cone．
C. A basket where best seen．
D. A black cone point upwards．
[2628]A vessel towing is showing three forward white masthead lights in a vertical line. This means that the length of the ______.
A. towing vessel is less than 50 meters
B. towing vessel is greater than 50 meters
C. tow is less than 200 meters
D. tow is greater than 200 meters
[2629]A vessel towing where the tow prevents her from changing course shall carry ______.
A. only the lights for a vessel towing
B. only the lights for a vessel restricted in her ability to maneuver
C. the lights for a towing vessel and the lights for a vessel restricted in her ability to maneuver
D. the lights for a towing vessel and the lights for a vessel not under command
[2630]According to the Rules，when should lights be displayed？
______.
A. During the hours of darkness．
B. At all times when underway．
C. From sunset to sunrise and restricted visibility．
D. Sunrise to sunset．
[2631]All fog signals shall be sounded every two minutes with the exception of a vessel ______.
A. underway or making way
B. under sail or under tow
C. anchored or aground
D. not under command or restricted in her ability to maneuver [2632]An all-round flashing yellow light may be exhibited by a(n)
______.
A. vessel not under command
B. air cushion vessel in the nondisplacement mode
C. vessel towing a submerged object
D. vessel engaged in diving operations
[2633]An inconspicuous，partly submerged vessel or object being towed，where the length of tow is 100 meters，shall show ______.
A. yellow lights at each end
B. two red lights in a vertical line
C. a black ball
D. a diamond shape
[2634]An occulting light is one in which ______.
A. the period of darkness exceeds the period of light
B. there is only a partial eclipse of the light
C. the periods of light and darkness are equal
D. the period of light exceeds the period of darkness
[2635]Approaching an anchorage in fog，you hear one short，one prolonged，and one short blast in that sequence on a ship's whistle．This indicates ______.
A. A vessel towed．
B. A vessel not under command and unable to maneuver．
C. A vessel anchored giving warning of her position．
D. A vessel stopped dead in the water．
[2636]As defined in the Rules，a towing light is a yellow light having the same characteristics as a(n) ______.
A. masthead light
B. all-round light
C. sidelight
D. sternlight
[2637]At sea，you are approaching a small vessel and see that it has the signal flag P hoisted. What should you do?
A. Proceed on present course and speed since the vessel is stopped and making no way through the water.
B. Keep clear of the vessel because it has a diver down.
C. Attempt to call the vessel on VHF radiotelephone because someone on board requires medical assistance.
D. Approach with caution because the vessel is a fishing vessel and its nets are fouled on an obstruction.
[2638]By night，you sight the lights of a vessel engaged in underwater operations. If an obstruction exists on the port side of the vessel，it will be marked by ______.
A. a floodlight
B.two red lights in a vertical line
C. a single red light
D. any visible lights
[2639]Daymarks marking the starboard side of the channel when going towards the sea are ______.
A. green squares
B. green triangles
C. red squares
D. red triangles
[2640]During the day，a vessel with a tow over 200 meters in length will show ______.
A. a black ball
B. a diamond shape
C. two cones，apexes together
D. one cone，apex upward [2641]Entering from seaward，triangular-shaped daymarks are used to mark ______.
A. the starboard side of the channel
B. the centerline of the channel
C. an obstruction where the preferred channel is to starboard
D. special purpose areas
[2642]Environmental loading consists of the forces caused by wind，waves，and ______.
A. drilling
B. soil reactions
C. temperature
D. current
[2643]If your vessel were proceeding down river (descending)，a green square marker with a green reflector border on the right bank would be a ______.
A. mile board
B. dredging mark
C. passing daymark
D. crossing daymark
[2644]Lighted information markers show ______.
A. green lights
B. red lights
C. yellow lights
D. white lights
[2645]Navigation lights must be displayed in all weathers from sunset to sunrise. They also ______.
A. must be displayed when day signals are being used
B. must be displayed when moored to a pier
C. may be extinguished at night on open waters when no other vessels are in the area
D. may be displayed during daylight
[2646]On entering from seaward，a starboard side daymark will ______.
A. show a fixed red light if lighted
B. show a Morse (A) white light
C. be square in shape
D. have an even number if numbered
[2647]Some lights used as aids to marine navigation have a red sector to indicate a danger area. The limits of a colored sector of a light are listed in the Light List in which of the following manners? A.Geographical positions outlining the area of the sector
B.True bearings as observed from the ship toward the light
C.An outline of the area of the sector
D.True bearings as observed from the light toward the ship
[2648]The duration of a prolonged blast of the whistle is ______.
A. 2 to 4 seconds
B. 4 to 6 seconds
C. 6 to 8 seconds
D. 8 to 10 seconds
[2649]The International Regulations for Preventing Collisions at Sea contain the requirements for ______.
A. lights that must be displayed on anchor buoys
B. the display of load line markings
C. minimum horsepower for tugs involved in rig moves
D. lighting of mobile offshore drilling units being towed
[2650]The prohibition against displaying lights which may be confused with required navigation lights applies
A.from sunset to sunrise and during restricted visibility
B. only when other vessels are in the area
C. only when operating in a traffic separation scheme
D. only when under tow
八、航海学基本知识
[2651]______ is the distance east or west measured in degrees，minutes and seconds of arc on the equator between the prime meridian and the meridian passing through the place．
A. Longitude
B. Latitude
C. Height
D. Bearing
[2652]______ refers to the angle between true North and the heading line of the ship．
A. True position
B. True meridian
C. True course
D. True bearing
[2653]A gnomonic projection is based on a(n) ______.
A. plane tangent at one point
B. cylinder tangent at the equator
C. cone tangent at one parallel
D. infinite series of cones tangent at selected parallels
[2654]A great circle track provides the maximum saving in distance on ______.
A. easterly courses in high latitudes
B. southerly courses in high latitudes
C. westerly courses in low latitudes
D. easterly courses in low latitudes that cross the equator
[2655]A lateral system buoy displaying a quick light ___.
A. should be passed close aboard on either side
B. indicates that special caution is required
C. is used at a channel bifurcation or junction
D. is painted with red and white vertical stripes
[2656]A light characteristic of composite group flashing indicates that there is a(n) ______.
A. sharp turn in the channel
B. narrowing in the channel at that point
C. junction in the channel
D. obstruction that must be left to port
[2657]A light having characteristics which include color variations is defined as ______.
A.switching
B.alternating
C.oscillating
D.fluctuating
[2658]A light that has a light period shorter than its dark period is described as ______.
A. flashing
B. pulsating
C. occulting
D. alternating
[2659]A lighted preferred-channel buoy may show a _____.
A. fixed red light
B. Morse (A) white light
C. composite group-flashing light
D. yellow light
[2660]A lighthouse can be identified by its ______.
A. painted color
B.light color and phase characteristic
C. type of structure
D. All of the above
[2661]A line of position formed by sighting two charted objects in line is called a(n) ______.
A. relative bearing
B. range line
C. track line
D. estimated position
[2662]A line on the Earth parallel to the equator is a .
A. gnomonic curve
B. small circle
C. meridian
D. great circle
[2663]A mid-channel buoy，if lighted，will show a ______.
A. fixed red light
B. Morse (A) white light
C. green light
D. flashing red light
[2664]A nun buoy will ______.
A. be green in color
B. have an even number
C. be left to port when entering from seaward
D. be cylindrical in shape
[2665]A parallel of latitude other than the equator is a ______.
A. great circle
B. loxodromic curve
C. small circle
D. gnomonic curve
[2666]A plane perpendicular to the polar axis will never form what line on the Earth's surface?
A. Great circle
B. Equator
C. Small circle
D. Meridian
[2667]A plane that cuts the Earth's surface and passes through the poles will always form ______.
A. the equator
B. a loxodromic curve
C. a small circle
D. a meridian
[2668]A plane that cuts the Earth's surface at any angle and passes through the center will always form ______.
A. the equator
B. a great circle
C. a small circle
D. a meridian
[2669]A preferred-channel buoy may be ______.
A. lettered
B. spherical
C. showing a white light
D. All of the above
[2670]A preferred-channel buoy will show a ______.
A. white light whose characteristic is Morse (A)
B. group-occulting white light
C. composite group-flashing (2 + 1) white light
D. composite group-flashing (2 + 1) red or green light
[2671]A red pillar light-buoy，Fl(2) 5s，is to be substituted for the green conical light-buoy close S．W．of the stranded wreck．The above sentence mainly refers to
A. a red buoy is to be replaced by a green buoy
B. a green buoy is to be replaced by a red buoy
C. either a red buoy or a green buoy is to be replaced
D. neither a red buoy nor a green buoy is to be replaced
[2672]A relative bearing is always measured from ______.
A. true north
B. magnetic north
C. the vessel's beam
D. the vessel's head
[2673]A rock and sand structure extending from the bank of the river toward the channel is known as a ______.
A. wingdam
B. towhead
C. cutoff
D. landwall
[2674]A SEAMARK，I.E. A BUOY，INDICATING THE NORTH，EAST，SOUTH OR WEST FROM A FIXED POINT，E.G. A WRECK is ______. A. Entrance buoy B. New buoy
C. Port buoy
D. Cardinal buoy
[2675]A section of the river that is narrower than usual and is often navigable from bank to bank is a ______.
A. chute
B. stabilized channel
C. slough
D. Cardinal buoy
[2676]A special mark (yellow buoy)，if lighted，may exhibit which light rhythm?
A. Flashing
B. Morse A
C. Equal interval
D. Occulting
[2677]A special purpose buoy shall be ______.
A. lighted with a white light
B. striped black and red
C. lighted with a red light
D. yellow
[2678]A spherical buoy may be ______.
A. numbered
B. lettered
C. green
D. red
[2679]A structure，usually made of stone，or cement pilings，which extends from the bank at approximately right angles to the current is called a ______.
A. dike
B. revetment
C. cutoff
D. crib
[2680]A vessel is ______ when she is not at anchor，made fast to the shore，or aground．
A. underway
B. making way
C. dead in the water
D. a power driven vessel．
[2681]A V-shaped ripple with the point of the V pointing upstream in a river may indicate a ______.
A. submerged rock，not dangerous to navigation
B. sunken wreck，not dangerous to navigation
C. towed-under buoy
D. All of the above
[2682]A white buoy with a blue band is ______.
A. an isolated danger mark
B. a hydrographic data collection buoy
C. a mooring buoy
D. marking a restricted area
[2683]A white buoy with an open-faced orange diamond on it indicates ______.
A. danger
B. vessels are excluded from the area
C. the buoy is a mooring buoy
D. operating restrictions are in effect
[2684]A white buoy with an orange rectangle on it displays ______. A. directions B. dangers
C. exclusion areas
D. All of the above
[2685]A yellow buoy may exhibit a(n) ______. A. fixed red light B. flashing light
C. white light
D. occulting light
[2686]A yellow buoy may mark a(n) ______.
A. wreck
B. shoal area
C. anchorage area
D. middle ground
[2687]An orange and white buoy indicating a vessel-exclusion area will be marked with what symbol?
A. Open-faced diamond
B. Diamond with a cross
C. Circle
D. Square
[2688]An orange and white buoy marking a danger area will have what symbol on it?
A. Open-faced diamond
B. Diamond with a cross
C. Circle
D. Square
[2689]An orange and white buoy marking an area where operating restrictions are in effect will be marked with which symbol?
A. Open-faced diamond
B. Diamond with a cross
C. Circle
D. Rectangle
[2690]An orange and white buoy with a rectangle on it displays ______.
A. directions
B. distances
C. locations
D. All of the above
[2691]Branford reef is ______.
A. a hard sand shoal marked with a light
B. completely submerged at all stages of the tide
C. surrounded by rocks awash at low water spring tides
D. a small，low，sandy islet surrounded by shoal water
[2692]Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE?
A. A safe-water buoy will display red and white vertical stripes of reflective material.
B. All reflective material is white because it is the most visible at night.
C. A special-purpose mark will display either red or green reflective material to agree with its shape.
D. A preferred-channel buoy displays either red or green reflective material to agree with the top band of color.
[2693]Buoys which mark dredging areas are painted ____.
A. black
B. yellow
C. green
D. red
[2694]Buoys which mark isolated dangers are painted with alternating ______.
A. red and black bands
B. green and black bands
C. red and white stripes
D. green and white bands
[2695]Buoys which only mark the left or right side of the channel will never exhibit a light with which characteristic?
A. Flashing
B. Quick flashing
C. Composite group flashing
D.Equal interval (isophase)
[2696]Except for N-S courses，and E-W courses on the equator，a great circle track between two points，when compared to a rhumb line track between the same two points，will ______.
A. always be nearer to the equator
B. always be nearer to the elevated pole
C. be nearer to the pole in the Northern Hemisphere and nearer to the equator in the Southern Hemisphere
D. be nearer to the pole or the equator depending on the latitudes of the arrival and departure positions
[2697]Fishing stake，the position of which frequently ______，exist in the area covered by this chart．
A. removed
B. altered
C. corrected
D. converted
[2698]From your position you observe a rotating white and green light to the north. This light is most likely _____.
A. from a submarine on the surface
B. the light at Southeast Point
C. at an airport
D. on a coastal patrol vessel
[2699]How is the intensity of a light expressed in the Light Lists?
______.
A. Luminous range
B. Geographic range
C. Nominal range
D. Meteorological range
[2700]How would you pass a red buoy in the maritime buoyage system "A"?
A. keep the buoy on the vessel's starboard side when approaching a port and on the vessel's port side when leaving.
B. keep the buoy on the vessel's port side when approaching a port and on the vessel's starboard side when leaving.
C. keep the buoy on the vessel's starboard side when approaching and leaving.
D. keep the buoy on the vessel's port side when approaching and leaving.
九、船舶货运基本知识
[2851]The ship's draught forward is slightly deeper than the draught aft．This condition is called ______ in shipping terms．
A. trim by the head
B. trim by the stern
C. even keel
D. drafts different
[2852]The ship's draught forward is same as her draught aft．This condition is named as ______.
A. even keel
B. even trim
C. even draught
D. even float
[2853]In the absence of external forces，the center of gravity of a floating vessel is located directly above the ______.
A. metacenter
B. amidships
C. center of flotation
D. geometric center of the displaced volume
[2854]In the absence of external forces，adding weight on one side of a floating vessel causes the vessel to ____.
A. heel until the angle of loll is reached
B. list until the center of buoyancy is aligned vertically with the center of gravity
C. trim to the side opposite TCG until all moments are equal
D. decrease draft at the center of flotation
[2855]Although KG for a vessel in lightweight is relatively high，the vessel is stiff because ______.
A. KM is small
B. KM is high
C. BL is small
D. KB is large
[2856]A vertical shift of weight to a position above the vessel's center of gravity will ______.
A. increase reserve buoyancy
B. decrease the righting moments
C. decrease KG
D. increase KM
[2857]Allowance for fresh water refers to ______.
A. the provision to be provided when the vessel sails in fresh water area
B. the fresh water to be carried by a vessel
C. the allowance of fresh water for each crew member when in distress at sea
D. the amount of free board decreased when sailing in fresh water area [2858]A number of bags are worn-out ___ a certain extent．
A. at
B. in
C. on
D. to
[2859]A quick and rapid motion of a vessel in a seaway is an indication of a(n) ______.
A. large GM
B. high center of gravity
C. excessive free surface
D. small GZ
[2860]A vessel aground may have negative GM since the ___.
A. decrease in KM is equal to the loss of draft
B. virtual rise of G is directly proportional to the remaining draft
C. lost buoyancy method is used to calculate KM，and KB is reduced
D. displacement lost acts at the point where the ship is aground [2861]A vessel is listed when it is ______.
A. down by the head
B. down by the stern
C. inclined due to off-center weight
D. inclined due to wind
[2862]A vessel is tender if cargo weight is ______.
A. concentrated high and the double bottoms empty
B. concentrated low and the double bottoms empty
C. evenly distributed vertically with the double bottoms full
D. concentrated and with the double bottoms full
[2863]A vessel loads edible oil in a deep tank through a manhole at the midlength of the tank. In order to fill the tank to maximum capacity，what trim should the vessel have?
A. Down by the bow
B. Down by the stern
C. Down by either the bow or stern
D. In level trim
[2864]A vessel with a small GM will ______.
A. have a large amplitude of roll
B. provide a comfortable ride for the crew and passengers
C. have drier decks in heavy weather
D. be likely to have cargo shift in heavy weather
[2865]All of the following can be determined by use of a stabilogauge EXCEPT ______.
A. metacentric height
B. mean draft
C. moment to trim one inch
D. deadweight
[2866]Angular motion about the longitudinal axis of a vessel is known as ______.
A. pitch
B. surge
C. sway
D. roll
[2867]Angular motion about the vertical axis of a vessel is called
______.
A. yaw
B. surge
C. sway
D. roll
[2868]As a ship moves through the water，it causes a wake，which is also moving forward relative to the sea. In addition to a fore and aft motion，this wake also has a(n). A. downward and inward flow B. downward and outward flow
C. upward and inward flow
D. upward and outward flow
[2869]At all angles of inclination，the metacenter is ___.
A. vertically above the center of buoyancy
B. vertically above the center of gravity
C. at the intersection of the upright vertical centerline and the line of action of the buoyant force
D. at the geometric center of the underwater volume
[2870]At an angle of loll，the capsizing moment is ______.
A. maximum
B. negative
C. positive
D. zero
[2871]At an angle of loll，the righting arm (GZ) is ______.
A. maximum
B. negative
C. positive，but reflexive
D. zero
[2872]Before counterflooding to correct a list，you must be sure the list is due to ______.
A. negative GM
B. flooding
C. off-center weight
D. reserve buoyancy
[2873]Bilge keels are more effective at dampening rolls as the ______.
A. pitching increases
B. list increases
C. rolling increases
D. draft decreases
[2874]Broken stowage must be reduced to ______.
A. the minimum
B. to little amount
C. the maximum
D. to great amount
[2875]During counterflooding to correct a severe list or trim aggravated by an off-center load，a ship suddenly takes a list or trim to the opposite side. You should ____.
A. continue counterflooding in the same direction
B.continue counterflooding，but in the opposite direction
C. immediately stop counterflooding
D. deballast from the low side
[2876]For a ship with longitudinal inclination，an increase in GML causes ______.
A. list to stabilize at an angle of loll
B. trim to stabilize at an angle of loll
C. trim to increase
D. trim to decrease
[2877]For a vessel inclined by the wind，multiplying the buoyant force by the horizontal distance between the lines of action of the buoyant and gravity forces gives the ______.
A. righting moment
B. vertical moment
C. longitudinal moment
D. transverse moment
[2878]For a vessel with list，a decrease in GMT will cause the angle of inclination to ______.
A. stabilize at an angle of loll
B. decrease
C. increase
D. remain constant
[2879]Heave is motion along the ______.
A. longitudinal axis
B. transverse axis
C. vertical axis
D. centerline axis
[2880]Horizontal fore or aft motion of a vessel is known as ______. A. pitch B. surge C. sway D. roll
[2881]Horizontal transverse motion of a vessel is known as ______. A. pitch B. surge C. sway D. heave
[2882]If a vessel lists to port，the center of buoyancy will ______.
A. move to port
B. move to starboard
C. move directly down
D. stay in the same position
[2883]If a vessel takes a sudden，severe list or trim from an unknown cause，you should FIRST ______.
A. determine the cause before taking countermeasures
B. assume the shift is due to off-center loading
C. counterflood
D. assume the cause is environmental forces
[2884]If the metacentric height is large，a floating vessel will ______.
A. be tender
B. have a slow and easy motion
C. be stiff
D. have a tendency to yaw
[2885]If the metacentric height is small，a floating vessel will ______.
A. be tender
B. have a quick and rapid motion
C. be stiff
D. yaw
[2886]In order to determine the trimming arm for your vessel at any particular draft，which of the following would you compare？______.
A. Longitudinal center of buoyancy and longitudinal center of gravity．
B. Longitudinal center of floatation and longitudinal center of gravity．
C. Longitudinal center of floatation and longitudinal center of buoyancy．
D. Longitudinal tipping center and longitudinal center of gravity [2887]It would be possible that part of the cargo got ______ as great change in the weather during the voyage caused heavy ______ in the hold．
A. damp／water
B. dampness／sweater
C. wet／condensation
D. wetness／dew
[2888]On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds，which is TRUE? ______.
A. Danger of heavy ship sweat exists；constant and vigorous ventilation is required.
B. There is danger of heavy cargo sweat if outside air is introduced by ventilation.
C. There is little danger of ship's sweat，slight possibility of cargo sweat；moderate ventilation is needed.
D. The possibility of any sweat problem，either cargo or ship，is remote. [2889]Pitching is angular motion of the vessel about what axis?
______.
A.Longitudinal
B.Transverse
C.Vertical
D.Centerline
[2890]Progressive flooding may be indicated by ______.
A. ballast control alarms
B. excessive draft
C. excessive list or trim
D. a continual worsening of list or trim
[2891]Semisubmersibles A and B are identical. However，A is more tender than B. This means that A relative to B has a ______.
A. lower KG
B. smaller GM
C. smaller roll angle
D. larger GZ
[2892]That center around which a vessel trims is called the ______. A. tipping center B. center of buoyancy
C. center of gravity
D. turning center
[2893]The angular motion of a ship in the athwartship is termed
______.
A. pitching
B. yawing
C. rolling
D. tracking
[2894]The center of flotation of a vessel is the point in the waterplane ______.
A. about which the vessel lists and trims
B. which coincides with the center of buoyancy
C. which，in the absence of external forces，is always vertically aligned with the center of gravity
D. which is shown in the hydrostatic tables as VCB
[2895]The difference between the forward and aft drafts is ______. A. list B. heel C. trim D. flotation
KEY: C
[2896]The difference between the height of the metacenter and the height of the center of gravity is known as the.
A. metacentric height
B. height of the righting arm
C. fore and aft perpendicular
D. height of the center of buoyancy
[2897]The downflooding angle for a ship is the minimum angle at which ______.
A. the load line becomes submerged
B. a non-watertight opening is at still water level
C. offset becomes excessive
D. reserve buoyancy is a maximum
[2898]The existence of liquids in partially full tanks or compartments of a ship causes a virtual rise in the height of the ______.
A. metacenter
B. center of buoyancy
C. center of flotation
D. center of gravity
[2899]The forward draft of your ship is 27'-11 and the after draft is 29'-03. The draft amidships is 28'-05. Your vessel is ______.
A. hogged
B. sagged
C. listed
D. trimmed by the head
[2900]The KM for a vessel may be determined by which of the following？______.
A. Adding the KB and the BM．
B. Subtracting the KB from the BM．
C. Subtracting the GM from the KB．
D. Adding the GM and the KB
十、航海气象基本知识
[3251]______ causing strong winds and rough sea north west Bay of Biscay．
A. Strong low pressure
B. Strong high pressure
C. Steep pressure gradient
D. Steep gradient pressure
[3252]A boundary between two air masses is a(n) ______.
A. lapse rate
B. isobar
C. front
D. continent
[3253]A cloud of marked vertical development (often anvil-shaped) would be classified as ______.
A.cirrus
B.cirrocumulus
C.altocumulus
D.cumulonimbus
[3254]A cloud sequence of cirrus，cirrostratus，and altostratus clouds followed by rain usually signifies the approach of a(n) ______.
A. occluded front
B. stationary front
C. warm front
D. cold front
[3255]A cyclone in its final stage of development is called a(n) ______.
A. tornado
B. anticyclone
C. occluded cyclone or occluded front
D. polar cyclone
[3256]A frontal thunderstorm is caused by ______.
A. pronounced local heating
B. wind being pushed up a mountain
C. a warm air mass rising over a cold air mass
D. an increased lapse rate caused by advection of warm surface air [3257]A generally circular low pressure area is called a(n) ______.
A. cyclone
B. anticyclone
C. cold front
D. occluded front
[3258]A hygrometer is a device used for determining ____.
A. the absolute temperature
B. atmospheric pressure
C. wind velocity
D. relative humidity
[3259]A line of clouds，sharp changes in wind direction，and squalls are most frequently associated with a(n) ___.
A. occluded front
B. warm front
C. cold front
D. warm sector
[3260]A sea breeze is a wind ______.
A. that blows towards the sea at night
B. that blows towards an island during the day
C. caused by cold air descending a coastal incline
D. caused by the distant approach of a hurricane
[3261]A series of brief showers accompanied by strong，shifting winds may occur along or some distance ahead of a(n) ______.
A. upper front aloft
B. cyclone
C. occluded front
D. cold front
[3262]A warm air mass is characterized by ______.
A. stability
B. instability
C. gusty winds
D. good visibility
[3263]According to Buys Ballot's law，when an observer in the Northern Hemisphere experiences a northwest wind，the center of low pressure is located to the ______.
A. northeast
B. west-southwest
C. northwest
D. south-southeast
[3264]Advection fog holds longest over which portions of the lakes? A. Northwest B. Southeast C. Northeast D. Southwest
[3265]Advection fog is most commonly caused by ______.
A. air being warmed above the dew point
B. saturation of cold air by rain
C. a rapid cooling of the air near the surface of the Earth at night
D. warm moist air being blown over a colder surface
[3266]An atoll cloud forming over an island due to heating of the land during the daytime would be which type?
A. Cirrus
B. Cumulus
C. Stratus
D. Nimbus
[3267]An instrument designed to maintain a continuous record of atmospheric pressure is a(n) ______.
A. mercurial barometer
B. aneroid barometer
C. barograph
D. thermograph
[3268]An occluded front is caused by a(n) ______.
A. low pressure area
B. high pressure area
C. area of calm air
D. cold front overtaking a warm front
[3269]An occluded front is usually caused by a ______.
A. cold front becoming stationary
B. warm front becoming stationary
C. cold front overtaking a warm front
D. warm front dissipating
[3270]As a cold front passes an observer，pressure ______.
A. drops and winds become variable
B. rises and winds become gusty
C. drops and winds become gusty
D. rises and winds become variable
[3271]Brief，violent showers frequently accompanied by thunder and lightning are usually associated with ______.
A.passage of a warm front
B.passage of a cold front
C. winds shifting counterclockwise in the Northern Hemisphere
D. stationary high pressure systems
[3272]Cirrus clouds followed by cirrostratus then altostratus，stratus，and occasionally nimbostratus indicate the approach of a(n) ______. A. cold front B. warm front
C. tropical front
D. occluded front
[3273]Cloud formations are minimal when the ______.
A. surface temperature and temperature aloft are equal
B. surface temperature and temperature aloft differ greatly
C. barometric pressure is very low
D. relative humidity is very high
[3274]Clouds appearing in the following order: cirrus，cirrostratus，altostratus，stratus，and nimbostratus usually indicate the approach of a(n) ______.
A. warm front
B. occluded front
C. medium front
D. cold front
[3275]Clouds are classified according to their ______.
A. size
B. moisture content
C. altitude and how they were formed
D. location in a front
[3276]Clouds that form as small white flakes or scaly globular masses covering either small or large portions of the sky are ______.
A.cirrus
B.cirrostratus
C.altostratus
D.cirrocumulus
[3277]Cumulonimbus clouds are most likely to accompany a(n)
______.
A. high pressure system
B. cold front
C. warm front
D. occluded front
[3278]Cumulonimbus clouds can produce ______.
A. dense fog and high humidity
B. gusty winds，thunder，rain or hail，and lightning
C. clear skies with the approach of a cold front
D. a rapid drop in barometric pressure followed by darkness [3279]Cyclones tend to move ______.
A. perpendicular to the isobars in their warm sectors
B. parallel to the isobars in their warm sectors
C. parallel to the line of the cold front
D. perpendicular to the line of the cold front
[3280]If an observer in the Northern Hemisphere faces the surface wind，the center of low pressure is to his______.
A. left，slightly behind him
B. right，slightly behind him
C. left，slightly in front of him
D. right，slightly in front of him
[3281]In a microbarograph，the pen should be checked and the ink well filled ______.
A. each time the chart is changed
B. once per month
C. once per week
D. daily
[3282]In many areas atoll clouds (clouds of vertical development) are produced over small islands. These are the result of ______.
A. rising air currents produced by the warm islands
B. warm air from the sea rising over higher land areas
C. cool land air mixing with warm sea air
D. descending air over the islands
[3283]In the Northern Hemisphere，an area of counterclockwise wind circulation surrounded by higher pressure is a ______.
A. low
B. high
C. warm front
D. cold front
[3284]In the Northern Hemisphere，gusty winds shifting clockwise，a rapid drop in temperature，thunderstorms or rain squalls in summer (frequent rain/snow squalls in winter) then a rise in pressure followed by clearing skies，indicate the passage of a(n) ______
A. warm front
B. tropical cyclone
C. anticyclone
D. cold front
[3285]In the Northern Hemisphere，the largest waves or swells created by a typhoon or hurricane will be located
A. in the southeast quadrant of the storm
B. directly behind the storm center
C. forward and to the right of its course
D. behind and to the left of its course
[3286]In the Northern Hemisphere，what type of cloud formations would you expect to see to the west of an approaching tropical wave? ______.
A. Cumulus clouds lined up in rows extending in a northeast to southwest direction
B. High altostratus clouds in the morning hours
C. Cirrostratus clouds lined up in rows extending in a northeast to southwest direction
D. Cirrostratus clouds lined up in rows extending in a north to south direction
[3287]In the Northern Hemisphere，winds veering sharply to the west or northwest with increasing speed are indications that a ______.
A. cold front has passed
B. low pressure center is approaching
C. stationary front exists
D. high pressure center has passed
[3288]MODERATE WAVES，TAKING A MORE PRONOUNCED LONG FORM；MANY WHITE HORSES ARE FORMED．THIS sea condition is likely to be termed ______.
A. moderate breeze
B. fresh breeze
C. strong breeze
D. near gale
[3289]On what does the operation of an aneroid barometer depend?
A. Thin，metal，air tight cell
B. Curved tube containing alcohol
C. Column of mercury supported by atmospheric pressure
D. Expansion of mercury in a closed tube
[3290]Pressure gradient is a measure of ______.
A. a high-pressure area
B. pressure difference over horizontal distance
C. pressure difference over time
D. vertical pressure variation
[3291]Prior to reading an aneroid barometer，you should tap the face lightly with your finger to ______.
A. expose any loose connections
B. demagnetize the metal elements
C. bring the pointer to its true position
D. contract and expand the glass face
[3292]The atmosphere in the vicinity of a high pressure area is called a(n) ______.
A. anticyclone
B. cold front
C. occluded front
D. cyclone
[3293]The belt of light and variable winds between the westerly wind belt and the northeast trade winds is called the ______.
A. subtropical high pressure belt
B. intertropical convergence zone
C. doldrum belt
D. polar frontal zone
[3294]The fog produced by warm moist air passing over a cold surface is called ______.
A. conduction fog
B. radiation fog
C. frontal fog
D. advection fog
[3295]The form of cloud often known as mackerel sky which is generally associated with fair weather is ______.
A. nimbostratus
B. stratus
C. cirrocumulus
D. cumulonimbus
[3296]The greater the pressure difference between a high and a low pressure center，the ______.
A. dryer the air mass will be
B. cooler the temperature will be
C. greater the force of the wind will be
D. warmer the temperature will be
[3297]The inner cloud bands of a hurricane，when viewed from a distance，form a mass of dense，black cumulonimbus clouds called the ______.
A. bar of the storm
B. eye of the storm
C. funnel
D. front
[3298]The legend/symbol which designates an occluded front is represented by a ______.
A. red line
B. purple line
C. blue line
D. dashed blue line
[3299]The most important information to be obtained from a barometer is the ______.
A. difference between the reading of the two pointers，which shows wind direction
B. last two figures of the reading of the pointer，such as .87，.76，or .92
C. present reading of the pressure，combined with the changes in pressure observed in the recent past
D. weather indications printed on the dial (such as cold，wet，etc.) under the pointer
[3300]The navigable semicircle of a tropical storm in the South Indian Ocean is located on which side of the storm's track?
A. Rear
B. Front
C. Left
D. Right
十一、船舶操纵基本知识
[2151]When a vessel navigates in an area with a small underkeel clearance but with adequate space to take avoiding action she ______.
A. should not be regarded as a vessel constrained by her draught
B. should be regarded as a vessel constrained by her draught
C. shall be regarded as a vessel restricted in her ability to maneuver
D. should be regarded as a non-displacement vessel．
[2152]When towing astern，one way to reduce yawing of the tow is to ______.
A. trim the tow by the stern
B. trim the tow by the head
C. have the tow on an even keel
D. list the tow on the side it is yawing
[2153]While moving ahead，a twin-screw ship has an advantage over a single-screw ship because ______.
A. correct trim will be obtained more easily
B. drag effect will be cancelled out
C. side forces will be eliminated
D. speed will be increased
[2154]A racetrack turn would be better than a Williamson turn in recovering a man overboard if ______.
A. the man has been missing for a period of time
B. the sea water is very cold and the man is visible
C. there is thick fog
D. the wind was from astern on the original course
[2155]A reaching course is one in which the wind ______.
A. comes directly over the bow
B. comes directly over the stern
C. comes over an area extending from broad on the bow to the quarter
D. has no effect on the vessel
[2156]A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing?
A. Length of the towline
B. Height of the towline connection
C. Longitudinal position of the towline connection
D. Direction of opposing force
[2157]A twin screw vessel，making headway with both engines turning ahead，will turn more readily to starboard if you ______.
A. reverse port engine，apply right rudder
B. reverse port engine，rudder amidships
C. reverse starboard engine，apply right rudder
D. reverse starboard engine，rudder amidships
[2158]A twin-screw ship going ahead on the starboard screw only tends to move ______.
A. in a straight line
B. to port
C. from side to side
D. to starboard
[2159]A twin-screw vessel can clear the inboard propeller and maneuver off a pier best by holding a(n) ______.
A. forward spring line and going slow ahead on the inboard engine
B. after spring line and going slow astern on the outboard engine
C. forward spring line and going slow ahead on both engines
D. forward spring line and going slow ahead on the outboard engine [2160]A twin-screw vessel is easier to maneuver than a single-screw vessel because the twin-screw vessel _____.
A. permits the rudder to move faster
B. generates more power
C. can turn without using her rudder
D. can suck the water away from the rudder
[2161]A vessel fitted with twin screws is easier in ______ than a vessel with single screw．
A. turning maneuver
B. course setting
C. position fixing
D. regulating speed
[2162]A vessel is considered to be restricted in her ability to maneuver under the Rules if she is ______.
A. at anchor
B. mine-clearing
C. engaged in fishing
D. engaged in towing
[2163]A vessel is equipped with a single right-handed screw. With rudder amidships and calm wind，the vessel will most likely back ______.
A. straight astern
B. to port
C. to starboard
D. in no particular direction
[2164]A vessel that is dead in the water on an even keel with most of her superstructure forward will lay ______.
A. A．With the wind abaft the beam or on the stern
B. B．With the wind on the beam
C. C．With the wind on the bow
D. D．With the wind dead ahead
[2165]A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit.
A. the masthead lights for a towing vessel
B. the lights for a vessel restricted in its ability to maneuver
C. sidelights，sternlight and towing light
D. All of the above
[2166]A vessel travelling down a narrow channel，especially if the draft is nearly equal to the depth of the water，may set off the nearer side. This effect is known as ______.
A. smelling the bottom
B. squatting
C. bank suction
D. bank cushion
[2167]A vessel which through some exceptional circumstance is unable to maneuver as required by these Rules and is therefore unable to keep out of the way of another vessel is called ______.
A. a vessel restricted in her ability to maneuver
B. a vessel not under command
C. a vessel engaged in fishing
D. a vessel constrained by her draught．
[2168]A vessel，which is unable to maneuver due to some exceptional circumstance，shall exhibit ______.
A. during the day，three balls in a vertical line
B. during the day，three shapes，the highest and lowest being balls and the middle being a diamond
C. when making way at night，two all-round red lights，sidelights，and a sternlight
D. when making way at night，masthead lights，sidelights，and a sternlight
[2169]Apparent wind speed blowing across a vessel under tow can be measured by a(n) ______.
A. barometer
B. wind vane
C. anemometer
D. thermometer
[2170]As a ship moves through the water，it drags with it a body of water called the wake. The ratio of the wake speed to the ship's speed is called ______.
A. propeller velocity
B. speed of advance
C. wake distribution
D. wake fraction
[2171]As a vessel falls off the wind from close-hauled to a beam reach，the tendency for the vessel to move sideways through the water will ______.
A. increase
B. decrease
C. change only if the vessel comes about on the opposite tack
D. not change
[2172]At night，a vessel shall indicate that she is restricted in her ability to maneuver by showing in a vertical line two ______.
A. red lights
B. red lights and two white lights
C. red lights with a white light in between
D. white lights with a red light in between
[2173]Besides saving distance along the track line，another advantage of the Scharnow Turn over the Williamson Turn in a man overboard situation because _.
A. it is faster
B. it can be used in both the immediate action and the delayed action situations
C. in fog，if the turn is started as soon as the man goes over，the vessel will be at the point where he went over when the turn is completed
D. it returns the vessel to the original track line on a reciprocal course
[2174]Catenary as applied to tow lines denotes the ____.
A. dip of the line
B. stretch of the line
C. strain on the line
D. length of the line
[2175]Changing direction by bringing the stern of the vessel through the eye of the wind is known as ______.
A. jibing
B. running before the wind
C. tacking
D. reefing
[2176]For the deepest water when rounding a bend in a river，you should navigate your vessel ______.
A. toward the inside of the bend
B. toward the outside of the bend
C. toward the center of the river just before the bend，then change course for the river's center after the bend
D. in the river's center
[2177]How does the effect known as bank suction act on a
single-screw vessel proceeding along a narrow channel?
A. It pulls the bow toward the bank.
B. It pushes the entire vessel away from the bank.
C. It pulls the stern toward the bank.
D. It heels the vessel toward the bank.
[2178]If a towing vessel and her tow are severely restricted in their ability to change course，they may show lights in addition to their towing identification lights. These additional lights may be shown if the tow is A. pushed ahead B. towed alongside
C. towed astern
D. Any of the above
[2179]If a vessel under tow starts jumping on its tow line，the most appropriate action to alleviate the condition is to ______.
A. change course
B. slow down
C. heave to
D. adjust tow line length [2180]If the towing bridle legs are not of equal length .
A. excessive strain is placed on the shorter leg
B. the shorter leg may fail
C. the longer leg is slack
D. All of the above
[2181]If the towline parts，you should ______.
A. start towing by pushing ahead
B. abandon the towing vessel
C. retrieve the tow bridle
D. relieve strain on the retrieving line
[2182]If you are the stand-on vessel in a crossing situation，you may take action to avoid collision by your maneuver alone. When may this action be taken? ______.
A. At any time you feel it is appropriate
B. Only when you have reached extremis
C. When you determine that your present course will cross ahead of the other vessel
D. When it becomes apparent to you that the give-way vessel is not taking appropriate action
[2183]In a following sea，a wave has overtaken your vessel and thrown the stern to starboard. To continue along your original course，you should ______.
A. use more right rudder
B. use more left rudder
C. increase speed
D. decrease speed
[2184]In ballasting to survival draft，while in transit，due to extreme wind and wave loads，thrusters or propulsion，if available，should be used to ______.
A. reduce windward mooring tensions
B. maintain vessel heading
C. maximize accelerations
D. increase speed of advance [2185]In order for a vessel to be engaged in fishing she must be _____.
A. underway
B. using gear which extends more than 50 meters outboard
C. using a seine of some type
D. using gear which restricts her maneuverability
[2186]In order to back a right-handed，single-screw vessel in a straight line，you will probably need to use
A. very little rudder
B. some left rudder
C. some right rudder
D. full left rudder
[2187]In towing it is desirable for the tug and the vessel to ride wave crests simultaneously because ______.
A. shock loading on the tow line is reduced
B. towing speed is improved
C. the vessel is more visible from the tug
D. the catenary of the tow line is reduced
[2188]In towing，heaving lines are used for ______.
A. passing a tow bridle to the tug
B. passing a messenger line
C. heaving in the tow bridle
D. service lines with rocket line throwers [2189]In twin-screw engine installations while going ahead，maneuvering qualities are most effective when the tops of the propeller blades both turn ______.
A. to starboard
B. outboard from the center
C. to port
D. inboard toward the center
[2190]It is easier to dock a right-hand，single-screw vessel ______.
A. starboard side to the wharf
B. either side to the wharf
C. port side to the wharf
D. stern to the wharf [2191]Most of your vessel's superstructure is forward. How will the vessel lie when drifting with no way on?
A. With the wind from ahead
B. With the wind off the port beam
C. With the wind off the starboard beam
D. With the wind from abaft the beam
[2192]Once a towline is connected between the towing vessel and the disabled vessel，the towing vessel should
A. not exceed bare steerageway during the transit
B. take a strain as soon as you can to control the tow
C. come up to speed very slowly and maintain a safe speed
D. come up to speed quickly，then cut back power considerably to ease the strain
[2193]One advantage of chain over wire rope for a tow bridle is that chain ______.
A. is better suited for inland towing
B. resists damage from chafing
C. handles more easily
D. equalizes towing forces better [2194]One major advantage of the round turn maneuver in a man overboard situation is that it ______.
A. is the fastest method
B. is easy for a single-screw vessel to perform
C. requires the least shiphandling skills to perform
D. can be used in reduced visibility
[2195]The best method to secure a tow line to a cleat is to ______.
A. take a turn around the cleat，then figure-eights，and a half-hitch
B. make figure-eights，followed by a half-hitch，then a figure-eight knot
C. take a turn，a half turn，and a figure-eight
D. take several turns around the cleat only
[2196]The biggest problem you generally encounter while towing a single tow astern is ______.
A. the catenary dragging on the bottom
B. swamping of the tow
C. the tow tending to dive
D. yaw
[2197]The catenary ______.
A. acts as a reserve length of towing hawser when the tug applies more power，and it dampens the surge effect of the tow
B. gives an approximation of the amount of strain on the towing hawser
C. is the dip in the towing hawser between the tug and the tow
D. All of the above
[2198]The condition where a ship on the end of a tow line is riding a wave crest at the same time as its tug rides a wave crest is known as riding in ______.
A. synchronism
B. harmony
C. check
D. step
[2199]The distance that a vessel travels from the time that the order to put engines full astern until the vessel is dead in the water is known as _.
A. advance
B. head reach
C. surge
D. transfer
[2200]The effect known as bank cushion acts in which of the following ways on a single-screw vessel proceeding along a narrow channel?
A. It forces the bow away from the bank.
B. It forces the stern away from the bank.
C. It forces the entire vessel away from the bank.
D. It heels the vessel toward the bank.
十二、船舶结构基本知识
[3451]______ is the main center-line structural member，running fore and aft along the bottom of a ship，sometimes referred to as the backbone．
A. Frame
B. Deckbeam
C. Stringer
D. Keel
[3452]A band or collar on the top end of a boom to which the topping lift，midships guy，and outboard guys are secured，is called the ______.
A. collar band
B. guy band
C. pad eye collar
D. spider band
[3453]A continuous watertight bulkhead is normally also a(n) ______.
A. structural bulkhead
B. exterior bulkhead
C. centerline bulkhead
D. joiner bulkhead
[3454]A heated bulkhead has the effect on a hygroscopic commodity of ______.
A. causing moisture to accumulate against the bulkhead
B. lowering the vapor pressure of the commodity
C. lowering the dew point of the air
D. raising the vapor pressure of the commodity
[3455]A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE? ______.
A. When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may result.
B. When going directly from full ahead to full astern，there is complete steering control.
C. When the vessel has headway and the propeller is in neutral，there is no effect on rudder control.
D. When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM.
[3456]A liner in riveted construction of a vessel is a(n)
A. small plate which fills the aperture between riveted strakes and the vessel framing
B. backing plate which is used to level the strakes while riveting，and then removed
C. internal frame to which the side shell is riveted
D. seam that is welded after riveting is completed
[3457]A record of the types and strengths of steels used on a ship must be included in the ______.
A. general plans
B. builder's documentation
C. Certificate of Inspection
D. construction portfolio [3458]A single-screw vessel going ahead tends to turn more rapidly to port because of propeller ______.
A. discharge current
B. suction current
C. sidewise force
D. thrust
[3459]A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE? ______.
A. If one screw is stopped，the ship will turn toward the side of the stopped screw.
B. The principal force which turns the ship is set up by the wake against the forward side of the rudder.
C. Turning response by use of the rudder only is greater than on a single-screw vessel.
D. With the rudder amidships，the ship will steer a fairly steady course. [3460]A vessel is equipped with twin propellers，both turning outboard with the engines half ahead. If there is no wind or current and the rudders are amidships，what will happen? ______.
A. The bow will swing to starboard.
B. The bow will swing to port.
C. The vessel will steer a zigzag course.
D. The vessel will steer a fairly straight course.
[3461]A virtual rise in the center of gravity may be caused by ______.
A. filling a partially filled tank
B. using an on board crane to lift a freely swinging heavy object
C. emptying a partially filled tank
D. transferring ballast from the forepeak to the after peak
[3462]Another name for the garboard strake is the ______.
A. A strake
B. Z strake
C. side keel plate
D. stringer plate
[3463]As to the stained plates，the fault lies ______ you．
A. on
B. to
C. up
D. with
[3464]Flanking rudders effect a vessel's heading because of the ____.
A. effect of the propeller flow on the rudders
B. water flow due to the vessel's movement through the water
C. tunnel affect of the water flow past opposing rudders
D. discharge current being channeled to impinge on the vessel's deadwood
[3465]In a twin screw ship going half-ahead，both screws turning outboard and the rudder amidships，no current or wind，the vessel will ．A. Move bodily to port． B. Move bodily to starboard．C. Move in a zig-zag motion． D. Steer a fairly straight course [3466]In ship construction，bulkheads in the quarters are generally __.
A. structural
B. watertight
C. non-structural
D. continuous
[3467]Many vessels are provided with flume tanks，which also have a dump tank located under the flume tanks. In the event the ship is damaged，you could dump the flume tanks into the dump tank which would ______.
A. reduce the free surface effect and raise the KG
B. not have any effect on free surface and raise the KG
C. reduce the free surface effect and lower the KG
D. not have any effect on free surface and lower the KG
[3468]Metal plates that cover the top of the hawsepipe are called ____.
A. footings
B. plugs
C. buckler plates
D. stop waters
[3469]No deduction is allowed for the ______ mess-room in ships having passenger accommodation，which are not also provided with a passengers’mess-room．
A. officer
B. officers
C. officer's
D. officers’
[3470]Panting frames are located in the ______.
A. after double bottoms
B. centerline tanks on tankers
C. fore and after peaks
D. forward double bottoms
[3471]Shell plating that has curvature in two directions and must be heated and hammered to shape over specially prepared forms is called A. compound plate B. furnaced plate
C. flat plate
D. rolled plate
[3472]Sidewise force of the propeller tends to throw a vessel's stern to the right or left，depending on rotation. This force is caused by ______.
A. back current from the rudder
B. greater pressure on the right or left side of the propeller，depending on rotation
C. lower pressure on the right or left side of the propeller，depending on rotation
D. torque from the velocity and angle at which the surrounding water impinges upon the propeller blades
[3473]Signs of racking stresses generally appear at the .
A. bow and stern shell frames and plating
B. junction of the frames with the beams and floors
C. garboard strake，at each side of the keel
D. thrust bearing of the main shaft
[3474]Structural bulkheads on a ship are usually ______.
A. continuous
B. watertight
C. transverse
D. non-watertight
[3475]The bow thruster generally is ineffective at _____.
A. over 3 knots headway
B. at any speed astern
C. at any speed ahead
D. over 1 knot sternway
[3476]The circular steel structure installed around the propeller of a towboat is the ______.
A. nozzle
B. shroud
C. strut
D. hood
[3477]The construction portfolio may be included as part of the ship __.
A. general plans
B. operating manual
C. builders documentation
D. CCS file
[3478]The flood stream here is at an average rate of 0．8 .
A. cables
B. miles
C. kilometers
D. knot
[3479]The inner bottom is the ______. A. tank top
https://www.wendangku.net/doc/073104862.html,partment between the tank top and shell of the vessel
C. inner side of the vessel's shell
D. space between two transverse bottom frames
[3480]The joint formed when two steel plates are placed end-to-end is called a ______.
A. bevel
B. seam
C. butt
D. bond
[3481]The main function of the drawworks on a ship is to .
A. transport tubulars from the pipe racks to the derrick floor
B. maintain constant tension on the marine riser
C. store and secure the excess drill line
D. lower and hoist the drill string into and out of the drilled hole [3482]The objective of shoring a damaged bulkhead is to .
A. force the warped，bulged，or deformed sections back into place
B. support and hold the area in the damaged position
C. withstand subsequent additional damage
D. make a watertight seal at the damaged area
[3483]The pivoting point of a fully loaded vessel with normal trim proceeding ahead at sea speed is ______.
A. right at the bow
B. one-third the length of the vessel from the bow
C. one-half the length of the vessel from the bow
D. two-thirds the length of the vessel from the bow
[3484]The safety stopper that prevents the anchor cable from running free if the cable jumps the wildcat is the
A. riding pawl
B. devil's claw
C. buckler plate
D. spill pipe
[3485]The shearing stresses on a ship's structure are usually greatest at ______.
A. the bow
B. the stern
C. midships
D. the ship's quarter-length points
[3486]The strictest load line regulations apply to _____.
A. gas carriers
B. freighters (break-bulk)
C. passenger ships
D. tankers
[3487]The system of valves and cargo lines in the bottom piping network of a tanker that connects one section of cargo tanks to another section is called a ______.
https://www.wendangku.net/doc/073104862.html,e-along
B.crossover
C.manifold D。runaround
[3488]The type of joint formed when a third small plate is riveted over two plates butted together is called a
A. butted joint
B. lap joint
C. strap joint
D. stringer joint
[3489]The type of joint formed when an edge of one plate is laid over the edge of the plate to which it is riveted is a ______.
A. grip joint
B. strap joint
C. thread joint
D. lap joint
[3490]The welds used to attach stiffeners to a plate are known as
______.
A. butt welds
B. seam welds
C. fillet welds
D. plate welds
[3491]The welds used to join shell plates in flush construction are known as ______.
A. butt welds
B. seam welds
C. fillet welds
D. continuous welds
[3492]The words PIPE，BUTT，TUN AND PUNCHEON all refer to ______.
A. the sizes of casks
B. various lengths of timber
C. structural shapes used in construction
D. viscosities of liquid cargoes
[3493]Those ship's tanks that are particularly important for trimming the ship are the ______.
A. domestics
B. settlers
C. deeps
D. peaks
[3494]To reduce the number of strakes at the bow，two strakes are tapered and joined at their ends by a single plate. This plate is known as a ______.
A.cover plate
B.joiner
https://www.wendangku.net/doc/073104862.html,p strake
D.stealer plate
[3495]Upon underwater ______ by divers，there are no apparent ______ on the bottom plates of the said vessel．
A. detection，defects
B. defection，defects
C. defects，defection
D. defects，detection
[3496]What best describes the structure from which Stratford Point Light is shown?
A. Brown conical tower with white horizontal band in center of light on black pier
B. Red conical tower on brown cylindrical pier
C. White octagonal house on brown cylindrical pier
D. White conical tower，with brown band midway of height
[3497]What is NOT used as a stern tube bearing，on a large vessel?
A. Wooden (lignum vitae) strips
B. Hard rubber
C. Resin bonded composition
D. Bronze bushings
[3498]What is the purpose of a striker plate?
A. Provides surface for applying force on machinery
B. Provides landing surface for the sounding bob
C. Absorbs machinery vibration
D. Prevents valve stem over-travel
[3499]What is the purpose of cant frames in steel vessels?
A. To support the overhang of the stern
B. To provide strength to shell plating at the stern
C. To add strength to the deck beams which support the weather decks
D. To support the plating of a cylindrical tank
[3500]What is used to prevent twisting of a towing bridle?
A.A bitt
B.A bulkhead
C.A V-spring
D.A fishplate
十三、海上通信基本知识
[4001]When my ship arrived there，their ship ______.
A. has left already
B. left already
C. had left already
D. would left already
[4002]SèCURITèis to be used to announce ______.
A. a distress message
B. an urgency message
C. a safety message
D. a massage of SMCP
[4003]LAND-BASED AUTHORITY CONDUCTING AND
CO-ORDINATING SEARCH AND RESCUE OPERATIONS IN A DESIGNATED AREA defines
A. RCC
B. OSC
C. CSS
D. GPS
[4004]“How do you read?”“I read you with signal strength
one”．______.
A. poor
B. bad
C. fair
D. good
[4005]A message by flashing light consists of the call，the identity，the ending，and the ______.
A. reply
B. text
C. time
D. answer
[4006]A message by flashing light consists of the call，the text，the ending，and the ______.
A. identity
B. time of origin
C. reply
D. procedure code [4007]A rigid replica of the International Code flag A may be shown by a vessel ______.
A. pulling a submarine cable
B. engaged in diving operations
C. engaged in underway replenishment
D. transferring explosives [4008]A yellow signal，floating in the air from a parachute，about 300 feet above the water，indicates that a submarine
A. will be coming to periscope depth
B. will be coming to the surface
C. is on the bottom in distress
D. is in distress and will try to surface
[4009]AMVER is a system which provides ______.
A. satellite communications
B. navigational information
C. weather information
D. position reporting service [4010]Automatic identification systems (AIS) are expected to broadcast all of the following information EXCEPT _____.
A. Port of origin
B. Name of vessel
C. Course and speed over ground
D. Draft of vessel
[4011]Automatic identification systems (AIS) are expected to broadcast all of the following information EXCEPT _____.
A. navigation status
B. ship's heading
C. port of origin
D. time stamp
[4012]Automatic identification systems (AIS) are required to ______. A. provide safety-related information automatically to shore stations，other vessels and aircraft
B. receive safety-related information automatically from similarly equipped vessels
C. exchange safety-related information with shore-based facilities
D. All of the above
[4013]By regulation，you MUST keep a record of the use of your radiotelephone for at least ______.
A.one month
B.four months
C.six months
D.one year
[4014]DO NOT，REPEAT，NOT OVER-TAKE means that you should A. overtake B. not overtake
C. overtake or not
D. decide if you should overtake
[4015]Electrical wiring on all T-Boats must be ______.
A. concealed to prevent mechanical damage
B. concealed so the boat can be maintained more easily
C. protected from the weather
D. in an accessible place behind the ceiling
[4016]Free communication effect is in direct proportion to ____.
A. length and width of space
B. length of space only
C. width of space only
D. neither length nor width
[4017]PORT A BIT SLUGGISH means that port rudder ______. A. answers very well B. rudder answers all right
C. answers slow
D. answers fast
[4018]Routine radio communications should be no more than .
A. one minute
B. three minutes
C. five minutes
D. eight minutes
[4019]Shall we ______ wait at the roadstead till there is a free berth for us？
A. must
B. ought to
C. have to
D. never
[4020]She arrived at the anchorage last night and anchored ______ berth．
A. waiting
B. awaiting
C. awaiting for
D. waited
[4021]Ships are always ______ on water and they are easy to rust．A. float B. floating C. floats D. floated
[4022]Sorry to have kept you ______ for a long time．
A. waiting
B. wait
C. waited
D. to wait
[4023]Take tug's towing line to ______.
A. captain
B. capstan
C. capital
D. carpenter
[4024]Tell me ______，please．
A. which hatch will be loaded first
B. will which hatch be loaded first
C. will hatch of which be loaded first
D. first will which hatch be loaded
[4025]That ship anchored too close ______ my vessel．
A. in
B. to
C. on
D. at
[4026]That ship arrived there ______ 6 p．m．yesterday．
A. at
B. in
C. on
D. of
[4027]The agent has probably already handed over you the stowage plan，______ ？
A. isn't he
B. doesn't he
C. hasn't he
D. didn't he
[4028]The Agent promised to keep me ______ of how our business was going on．
A. to be informed
B. informed
C. on informing
D. informing
[4029]The date and time kept in the radiotelephone log shall commence at ______.
A. midnight
B. noon
C. beginning of the watch
D. any convenient time
[4030]The Departure Report，required by vessels participating in AMVER，must be sent ______.
A. as soon as practicable on leaving port
B. prior to departure
C. within 24 hours of departure
D. within 12 hours of departure
[4031]The following ______ is a standard phrase．
A. I may enter fairway.
B. I might enter fairway.
C. INTENTION. I will enter fairway.
D. I will probably enter fairway. [4032]The following ______ is a standard phrase．
A. May I enter fairway?
B. Should I enter fairway?
C. Could I enter fairway?
D. QUESTION. Is it permitted to enter fairway?
[4033]The following ______ is a standard phrase．
A. You may enter fairway.
B. You should enter fairway.
C. ANSWER. It is permitted to enter fairway.
D. You could enter fairway.
[4034]The following ______ is a standard phrase．
A. You should anchor in anchorage B 3.
B. ADVICE. Anchor in anchorage B 3.
C. You could anchor in anchorage B 3.
D. You could，I think，anchor in anchorage B 3.
[4035]The light rhythm of Morse (A) is shown on ______.
A. preferred-channel buoys
B. starboard- or port-side buoys
C. special marks
D. safe water buoys
[4036]The range of a SSB transmission is MOST affected by A. atmospheric noise and radiated power
B. the frequency band selected and time of day or night
C. interference and position of the moon
D. radiated power and nearness to shore
[4037]The system will accept a harbor map which is incorrect，therefore the operator must {exercise caution} in harbor selection．
A. be considered
B. be prudent
C. be bold enough
D. be carelessness
[4038]The unit of duration of a dash in Morse Code is ______.
A. one and one-half times the length of a dot
B. twice the length of a dot
C. three times the length of a dot
D. four times the length of a dot
[4039]The Vessel Bridge-to-Bridge Radiotelephone Act applies to __.
A. every towing vessel of 16 feet or over in length while navigating
最新航海英语补充题库1
最新航海英语补充题库 [1]Which signal of the follwings is not provided with onboard lifeboat? 船载救生艇不配备下列哪一种信号？ A.Rocket parachute signals 火箭降落伞信号 B.Buoyant smoke signals可浮烟雾信号 C.Hand flare signals 手持火光信号 D.Selfigniting signals自点火信号 [2]According to IMO regulations,______shall be posted outside lifeboat? 根据IMO规定，下列哪一项应张贴于救生艇外部？ A.the retrore-flective tapes反光带 B.the reflective tapes反射的 C.the flashing bands 闪光的 D.the antiflashing bands [3]Which one of the following is not required on survival crafts? 下列哪一项不是救生筏上应配备的？ A.Antiseasickness medicine 抗晕船药 B.Immersion suits防寒服 C.axes 斧头 D.lifebuoys救生圈 [4]Have the safety belts for _______been examined? 是否已经检查了（全封闭式救生艇的）的安全带？ A.total enclosed lifeboats B.totally enclosing lifeboats C.totally enclosed lifeboats D.total encloseing lifeboats [5]The fireprotected lifeboats are found_____________. 耐火式救生艇状况（令人满意）。 A.in satisfactorily condition B.satisfactorily C.satisfactory D.satisfactored [6]We test the water spray fire protection system of fireprotected lifeboats every 3 months,___the abandon ship drill. 我们每三个月（结合）弃船演习，对耐火式救生艇的防火喷淋系统进行检查。 https://www.wendangku.net/doc/073104862.html,bining with https://www.wendangku.net/doc/073104862.html,bined with https://www.wendangku.net/doc/073104862.html,bining to https://www.wendangku.net/doc/073104862.html,bined to [7]Are your lifeboats fitted with_______? 你船的救生艇是否配有（）？ A.cargo wires 吊货索 B.topping lift 千斤索 C.guiding lines 导引绳
航海英语第四十六期题与答案[1]
中国海员之家网站考试资料系列46 期航海英语试题 科目：航海英语试卷代号：903 适用对象：无限航区，近洋航区船舶二、三副 （本试卷卷面总分100 分，及格分数70 分，考试时间100 分钟） 答题说明：请选择一个最合适的答案，并将该答案按答题卡要求，在相应位置上用2B 铅笔涂黑。第1 题至88 题，每题1 分，第89 题至96 题，每题 1.5 分。 一、单项选择题 1. Information on the opening times and characteristics of radiobeacons can be found in which publications? A. List of Light B. Coast Pilot C. Sailing Directions D. List of Radiobeacons 2. Mariners not entering the port are ______ to keep at least one mile off. A. advised B. reported C. complied D. supplied 3. The velocity of the current in large coastal harbors is______. A. predicted in Tidal Current Tables B. unpredictable C. generally constant D. generally too weak to be of concern 4. A mercator chart is a______ A. cylindrical projection B. simple conic projection C. polyconic projection D. rectangular projection 5. Why does distance always have to be measured from the nearest scale on a Mercator chart? A. Because it is the most efficient way B. Because it varies with the change of latitude C. Because it varies with the change of longitude D. Because it is the most straight line 6. Who is responsible for the voyage plan? A. The person who has done the planning B. The master C. The navigation officer D. The owner 7. Charted depth is the______. A. vertical distance from the chart sounding datum to the ocean bottom, plus the height of tide B. vertical distance from the chart sounding datum to the ocean bottom C. average height of water over a specified period of time D. average height of all low waters at a place 8. Defense plans may cause the operation of electronic aids to navigation to be suspended with ______. A. no notice B. one day's notice C. a week's notice D. thirty (30)days notice 9. Periodic publications notifying change in, or additions to, previously published navigational date are______. A. Supplements B. Annual Summary C. Navigational Warning D. Notices to Mariners 10. ______is a full nautical record of a ship's voyage, written up at the end of each watch by the officer of the watch. 中国海员之家网站考试资料系列46 期航海英语试题第2 页 中国海员之家网站（http://www.seamancn. com ）搜集整理，更多考试资料请到网站免费下载。 A. Sea Protest B. Deck Log C. Accident Report D. Seaman's Book 11. Do you need to measure oxygen levels before entering an enclosed space?
航海英语新题库(上海)
一、海图及海图作业50题 [251]To agree with larger scale chart，latitudes taken from this chart should be increased ______ about 8 seconds． A. with B. in C. by D. to [252]On this chart only the principle ______ to navigation are shown．A.equipment's B.tools C.apparatus D.aids [253]Many of the soundings shown on the chart are derived from _____.Undue reliance should not be placed upon them． A. complete and often very poor surveys B. correct and often very good surveys C. inadequate and often very old surveys D. adequate and present surveys [254]Lines on a chart which connect points of equal magnetic variation are called ______. A. magnetic latitudes B. magnetic declinations C. dip D. isogonic lines [255]Isogonic lines are lines on a chart indicating ___. A. points of equal variation B. points of zero variation C. the magnetic latitude D. magnetic dip [256]In which source could you find the number of a chart for a certain geographic area? ______. A. Chart No. 1 B. Catalog of Charts C. IMO Practical Navigator D. IMO Light List [257]How is the annual rate of change for magnetic variation shown on a pilot chart? ______. A. Gray lines on the uppermost inset chart B. Red lines on the main body of the chart C. In parenthesis on the lines of equal magnetic variation D. Annual rate of change is not shown. [258]Charted depth is the ______. A.vertical distance from the chart sounding datum to the ocean bottom，plus the height of tide B.vertical distance from the chart sounding datum to the ocean bottom C.average height of water over a specified period of time D.average height of all low waters at a place [259]Chart correction information is NOT disseminated through the ______. A. Summary of Corrections B. Local Notice to Mariners C. Daily Memorandum D. Chart Correction Card [260]All straight lines represent great circle tracks on a chart based on a(n) ______. A. Mercator projection B. polyconic projection C. orthographic projection D. gnomonic projection [261]A revised print of a chart is made ______. A. after every major hydrographic survey of the area covered by the chart B. when there are numerous corrections to be made or the corrections are extensive C. when a low-stock situation occurs and minor corrections are made D. every two years to update the magnetic variation information [262]A Mercator chart is a ______. A. cylindrical projection B. simple conic projection C. polyconic projection D. rectangular projection [263]______ chart 3994，positions read from this chart should be shifted 0．03 minutes Northward． A. To consider B. To check C. To examine D. To agree with [264]The changes in the channel's sands and buoys on this coast are ______ this chart can not be considered as a safe guide of the channel．A. frequent B. so frequent C. frequent that D. so frequent that [265]______ is a term denoting the determination of a ship's position by observations of Celestial or terrestrial objects，or by a combination of both． A. Course-planning B. Position-fixing C. Radar-plotting D. Stowage-plan making [266]A chart position enclosed by a semi-circle is a(n) A. fix B. estimated position C. dead reckoning position D. running fix [267]A true bearing of a charted object，when plotted on a chart，will establish a ______. A. fix B. line of position C. relative bearing D. range [268]Admiralty Charts are published in ______. A. U．S．A B. China C. U．K D. Japan [269]Attention is ______ the advice on the use of charts in The Mariner's Handbook Chapter 3，Section 1．A. fixed to B. needed for C. pushed to D. drawn to [270]Distance along a track line is measured on a Mercator chart by using the ______. A. latitude scale near the middle of the track line B. longitude scale near the middle of the track line C. latitude scale at the midlatitude of the chart D. latitude or longitude scale at the middle of the scale [271]Entering from sea，a daymark on the port side of the channel would be indicated on a chart by a ______. A. red triangle with the letter R B. white triangle with the letters RG C. green square with the letter G D. white square with the letters GR [272]Magnetic information on a chart may be ______. A. found in the center(s) of the compass rose(s) B. indicated by isogonic lines C. found in a note on the chart D. All of the above [273]My position has been obtained ______ astronomical observation．A. with B. from C. on D. by [274]Navigational charts are ______ frequent changes，the important one of which are promulgated by Admiralty Notices to Mariners． A. published with B. combined with C. in connection with D. subject to [275]On the south and the east coasts of Block Island are circles with a dot in the center and labeled CUP. This is a ______. A. conspicuous object B. steep depression in the surrounding hills that resembles a cup C. domed structure useful for navigation D. calling-up-point used for traffic control [276]Solid green arrows on the main body of a pilot chart indicate ______. A. prevailing wind directions B. prevailing ocean current directions C. probable surface current flow D. shortest great circle routes [277]The agonic line on an isomagnetic chart indicates the ______. A. magnetic equator B. magnetic longitude reference line C. points where there is no variation D. points where there is no annual change in variation [278]The buoy symbol printed on your chart is leaning to the northeast. This indicates ______. A. you should stay to the north or east of the buoy B. you should stay to the west or south of the buoy C. the buoy is a major lighted buoy D. nothing special for navigational purposes [279]The chart of a beach area shows a very flat slope to the underwater beach bottom. What type of breakers can be expected when trying to land a boat on this beach? A.Surging B.Spilling C.Plunging D.Converging [280]The chart symbol indicating that the bottom is coral is ______. A. C B. Cl C. Co D. c [281]The charts sold are of ______. A. newly edition with up to date correction and in reasonable prices． B. the current edition and incorporate the last Notices to Mariners correction C. the current edition and incorporate the latest Notices to Mariners correction at the time of sale． D. brand-new one with up to date correction and clean writing [282]The compass rose on a nautical chart indicates both variation and ______. A. deviation B. annual rate of variation change C. precession D. compass error [283]The description Racon beside an illustration on a chart would mean a ______. A.radar conspicuous beacon B.circular radiobeacon C.radar transponder beacon D.radar calibration beacon [284]The maximum difference between mean time and apparent time is ______. A. equal to the longitude expressed in time units B. about 16 minutes C. the difference between the GHA of mean sun and the first point of Aries D. 15°of arc [285]The numeral in the center of a wind rose circle on a pilot chart indicates the ______.
航海英语题库2010
海知识和专业的工作态度 57. When own ships position input to ECDIS wrong, what is the result? A. Nothing B. ECDIS will give warning C. ECDIS will automatically be switched off D. Position, range and bearing taken on the ECDIS will be wrong 答案：D当把拥有的船位错误输入电子海图显示与信息系统，结果会怎么样？显示在电子海图显示与信息系统上的船位，航程，方位将错误 58. What should you avoid when receiving work order? A. Having other people help you with your work B. Swearing C. Wasting time on having procedures explained D. Misunderstandings 答案：D当收到工作命令时应避免什么？误解 59. What kind of information dose the fire plan contain? A. Fire alarm signal, fire instruction and your assignment B. location of firefighting equipment onboard C. How to use firefighting equipment onboard D. Information on how handle different types of fires 答案：B消防计划包括哪些种类的信息？船上消防设备的位置 60. Do you need to measure oxygen levels before entering an enclosed space? A. Yes, always B. No C. Not if you measure for toxic gases D. Yes, but not if you ventilate properly first for 24 hours 答案：A当你进入一个密闭空间前你需要测量氧气浓度吗？是的，总是这样 61. What is the most important treatment concerning a foreign body in the eye? A. Rinsing of the eye B. …… anaesthetic C. Wring the eye-lid to prevent blinking D. Close the eye for a while 答案：A关于眼睛里的杂物最重要的处理方法是什么？清洗眼睛 62. What is the meaning of UEL? A. Upper exposure level B. Upper explosion level C. Upper explosive level D. Upper evaporation level 答案：C UEL的意思是什么？爆炸上限 63. In which way may intake of poisoning material not occur? A. By inhaling B. By skin penetrating and skin absorbing
航海英语-合集题库 优质文档 新
航海英语 烟囱是套管用于排气管的发动机 1．——is a casing used for exhaust pipe from the engines． A.The funnel烟囱 B.The messroom C.The galley D.The satellite antenna 人造卫星天线装置在塑料圆顶,用来预测天气. 2．——is housed in a plastic dome for weather protection． A.The funnel B.The messroom C.The galley D.The satellite antenna人造卫星天线 厨房是制作美味食物的地方. 3．——is where delicious food is cooked. A.The funnel B.The messroom C.The galley厨房 D.The satellite antenna 食堂是全体船员用餐的地方 4．——is where the crew eat their meals． A.The funnel
B.The messroom食堂 C.The galley D.The satellite antenna 锚是用来固定停泊的船只在海底, 使其不可移动. 5．——is used to moor the ship to the seabed to keep it stationary. A.The bulbous bow B.The anchor 锚 C.The bow thruster D.The propeller 船鼻首是圆形水下部件, 位于船前部, 目的是制造更少的水摩擦力, 使船只可以更易于移动. 6．——is a round-shaped underwater part in the front of the ship. The purpose is to create less friction with water so that the ship moves more easily. A.The bulbous bow 球鼻艏 B.The anchor C.The bow thruster D.The propeller 船首推进器装置在船的前方, 位于水下，从而缓和泊位或往斜方向操纵时速度减慢。 7．——is placed in the front of the ship under the water, which eases berthing or maneuvering sideways at low speed.
航海英语补充题目
航海英语补充考题 2. Treatment of frostbite includes_________. A. rubbing affected area briskly to restore circulation B. wrapping area tightly in warm cloths C. warming exposed parts rapidly D. rubbing affected area with ice or snow 冻伤的处理包括让外露的身体部分快速回暖。 3. You must shift a weight from the upper tween deck to the lower hold. This shift will _______. A. decrease the metacentric height B. increase the rolling period C. make the vessel stiffer D. make the vessel more tender 你必须移动重物从二层甲板到底层舱，这移动会让船舶稳性变大。 12. What is the MINIMUM distance a vessel, subject to the requirements of Annex V to MARPOL 73/78, must be located from nearest land to legally discharge paper trash? A. 5 nautical miles B. 25 nautical miles C. 10 nautical miles D. 12 nautical miles 根据marpol公约，船舶离最近陆地合法排放纸屑进海的最短距离是12海里。 22 What should you avoid when receiving work order? A. Misunderstandings B. Wasting time on having procedures explained C. Having other people help you with your work D. Swearing 当收到工作指令时避免误解。 24 What does UDI mean? A. Unrestricted Data Identify B. Understanding Digital Information C. Up-link Data Identify D. Unrestricted Digital Information UDI为非限制性数字信息 25 The strongest winds and heaviest rains in a hurricane are found in the______. A. cloud walls B. eye C. outer bands D. spiral rain bands 飓风当中风力最强，下雨最大的地方是风眼墙/云墙。 32 What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to_______. A. mention signal stations and ice, storm, traffic and port signals B. give the correction of the lights and fog signals C. give the international numbers of lights D. give the information on the lights and fog signals 英版灯标表雾号表给出的是关于浮灯和雾号的信息的。 33 The primary concern in aiding a back injury patient is ________. A. providing enough fluids to prevent dehydration B. avoiding possible injury to the spinal cord by incorrect handling C. relieving the patient’s pain by giving aspirin or stronger medication D. preventing convulsions and muscle spasms caused by the pain 在治疗背部受伤人员时主要注意避免由于处理不当可能引起脊髓受伤。 34 The correct way to make an eye in a wire rope with clips is to place the clips with the_____. A. first and third U-bolts on the standing part and the second U-bolt on the bitter end B. first and third U-bolts on the bitter end and the second U-bolt on the standing part C. U-bolts of all clips on the bitter end D. U-bolts of all clips on the standing part 带有索夹的钢丝绳制造眼环时正确方法是将其索夹与U型螺栓索夹系在索端上 38 Which term indicates the rise in height of the bottom plating from the plane of the base line? A. Deadrise B. Camber 弯曲度 C. Molded height D. Sheer 基线平面到船底钢板的高度称之为camber 49. The external flotation bladder of an immersion suit should be inflated ______.
航海英语题库.(DOC)
驾驶英语标准化 题库 第一部分：日常用语 C 1．When a foreigner meets you for the first time and says “How do you do ?”to you , you should say . A. How are you ? B. Fine , thank you . And you ? C. How do you do ? D. Glad to see you . B 2．If you lost your way to the port, you should ask someone“Excuse me，？” A. I ‘d like a cup of tea . B. could you tell me the way to the port C. what’s the time D. is it May 4th D3．——Nice to meet you. ——. A. How do you do? B. Who are you ? C. How are you ? D. Nice to meet you,too. 答案：D （1分题） 4．Somebody does you a favor , you should say A. Here you are . B. Thanks a lot . C. That’s all right . D. That’s right . 答案：B （1分题） 5．At the department store, you want to know the price of the coat , you should say A. Tell me the way , please . B. Do you know the time ? C. How much is it ? D. Wait a moment ,please. 答案：C （1分题） 6．——Mrs. Mary , I’d like to introduce my Chinese friend Mr. Wang ,he is a new comer. —— A. All right . B. Never mind . C. Please to meet you. D. I’m wrong . 答案：C （1分题） 7．If a passer asked you the way , and you really don’t know , what’s the best answer A. I don’t know . B. Oh , tha t’s right . C. No , never mind . D. I’m sorry . I’m a stranger here myself . 答案：D （1分题） 8．You are now in the department store . You want to buy something . When a shop assistance says to you “ Can I help you ? ” , you should say A. Yes , you can . B. No , you can’t. C. I’m looking for a coat for myself. D. It has nothing to do with you . 答案：C （1分题） 9．You haven’t feeling well , and you are seeing the doctor ,you should tell the doctor A. I’d like have a look at the hats . B. I’m sorry . C. Could you give me your name? D. I’m afraid I had a bad cold. 答案：D （1分题） 10．If you want to buy something . You should go to the A. bank . B. supermarket . C. post office. D. customs. 答案：B （1分题） 11．Take the _____block on right and then ask again． A．2 B．two C．twice D．2nd 答案：D （1分题） 12．is it ? Fifty dollar s．A．How many B．How much C．How long D．How often 答案：B （1分题）
航海英语2580题库中英文对照学习完整翻译版
大连海事大学英语2580题库中英文对照学习完整版 [1]______, as the chemical extinguisher agent, should be used for an electric fire. A. dry chemical or foam B. foam or soda acid C. carbon dioxide or foam D. carbon dioxide or dry chemical KEY: D二氧化碳或干粉灭火器作为化学灭火器，用于扑灭电器火灾。 [2]______: A room on or near the bridge provided with the necessary fittings and furniture for the handling and stowage of charts and where the chronometers are placed. A. Captain’s cabin B. Chief Officer’s locker C. Chartroom D. Pilot’s cabin KEY: C在驾驶台或附近提供必要的装卸设备或用具和海图的存放和天文钟布置的房间叫做海图室。 [3]______:The main center-line structural member, running fore and aft along the bottom of a ship, sometimes referred to as the backbone. A. Frame B. Deckbeam C. Stringer D. Keel KEY: D在船舶底部沿首尾向铺设有时提及当做主骨架的主要首尾结构是龙骨。 [4]______:the vertical distance measured on the vessel’s side amidships from the load water line to the upper side of the freeboard deck or a point corresponding to it. A. Buoyancy B. Freeboard C. Draft D. Displacement KEY: B船中部从载重水线垂直测量到干舷甲板上边缘或相应的点的距离叫干舷。 [5]______20 targets can be tracked at one time. When maximum tracking capacity is reached, no further acquisitions are possible. A. As many as B. So many as C. As much as D. As more as KEY: A一次可以获取多达20个物标，当跟踪能力达到最大时候，就不再录取了。 [6]______amplify charted detail and contain information needed for safe navigation. A. Admiralty Sailing Directions B. Admiralty List of Lights C. Admiralty List of Signals D. Admiralty Notices to Mariners KEY: A英版航路指南详细描述海图的细节和安全航行所包含的信息。 [7]______are published for the correction of Admiralty Charts. A. Admiralty Sailing Directions B. Admiralty List of Lights C. Mariner’s Handbook D. Admiralty Notices to Mariners KEY: D英版航海通告出版是为了英版海图的改正。 [8]______are to be used for dunnage if you load rice. A. wooden planks B. rush mats C. steel bars D. wooden planks and rush mats KEY: D木板和席子被用来做垫舱料，如果你装载大米。 [9]______at 53N3 127E4 moving ely 12kts with cold front from center passing 51N3 126E1 to 51N2 125E4 and warm front from 46N1 128E2 passing 40N2 125E2. A. Low 1002HPA B. Low 1045 HPA C. High 1002 HPA D. High 1045 HPA KEY: A低气压1002百帕，位置53N 127E4向东12节速度移动，伴有冷锋中心经51N3 126E1移至51N2 125E4，伴有暖锋从46N1 128E2 经过40N2 125E2位置。 [10]______causing strong winds and rough sea north west Bay of Biscay. A. Strong low pressure B. Strong high pressure C. Steep pressure gradient D. Steep gradient pressure KEY: C强气压梯度导致了比斯开湾西北的强风和狂狼。 [11]______chart 3994, positions read from this chart should be shifted 0.03 minutes Northward. A. To consider B. To check C. To examine D. To agree with KEY: D为了与3994号海图一致，从这张海图上读出的位置应该向北移动0.03分的距离。[12]______is a full nautical record of a ship’s voyage, written up at the end of each watch by the officer of the watch. A. Sea Protest B. Deck Log C. Accident Report D. Seaman’s Book KEY: B航海日志全面记录了航次的情况，由值班驾驶员在每次值班结束后详细填写记录。 [13]______is not a process of weathering of the oil spilled in the sea water. A. Biodegradation B. Dissolution C. Cleaning up by crew with skimmers D. Oxidation including photooxidation KEY: C船员用浮油刮集船清扫不是一个油溢入海水中的风化过程。 [14]______is not a process of weathering of the oil spilled in the sea water. A. Emulsification B. Sedimentation / Sinking C. Oxidation including photooxidation D. Burning organized by RCC KEY: D由RCC（海上搜救协调中心）组织的燃烧不是一个油溢入海水中的风化过程。 [15]______ is not a process of weathering of the oil spilled in the sea water.