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CWI考试3Part+C+练习题及答案

规范练习题

(PART C)

(适用规范:AWS D1.1:2008 Structural

Welding Code—Steel)

(本练习题包括:第一部分考试练习题和第二部分模拟题

及其答案

说明:本练习题系AWS 根据AWS D1.1/D1.1M:2008 所编;在考试内容上和AWS D1.1/D1.1M:2006 无重

要差别,特此说明,仅供参考。

2009 年SWS 的培训和考试用规范为AWS D1.1/D1.1M:2006。)

第一部分

(考试练习题部分)

1.For RT of 1-1/2 inch thick plate, which hole-type IQI designation is

required (Source Side)?

1-1/2英寸厚的板进行RT时,应选用那标号的孔型像质指示器(射线源侧)

a) 20

b) 25

c) 30

d) 35

e) 40

2.Which of the follow SMAW electrodes is not included in the F2 group?

下面那种SMAW焊条不包括在F2组别内?

a)E6012

b)E6010

c)E6013

d)E6014

e)None of the above 以上都不是

3.The maximum weld reinforcement permitted for a welding procedure

qualification on pipe or tubing having a wall thickness of 0.208 inch is:

壁厚为0.208英寸的管材焊接工艺评定允许的最大焊缝余高是:

a)none permitted 不允许

b)1/16 inch

c)3/16 inch

d)3/32 inch

e)1/8 inch

4.For a fillet weld joining 1/2 inch thick statically loaded nontubular

members, what maximum length of 1/16 inch deep undercut is allowed in any 12 inch length of weld?

连接1/2英寸厚的板材静载荷构件的角焊缝,每12英寸焊缝长度内,

允许1/16英寸的咬边最大长度是多少。

a) 1 inch 1英寸

b)1-1/2 inches 1-1/2英寸

c) 2 inches 2英寸

d)2-1/2 inches 2-1/2英寸

e)None 无规定

5.When a CJP groove weld procedure is successfully qualified on a pipe

in the 5G test position, for what positions is it qualified?

当在5G位置对管材CJP坡口焊接工艺评定成功后,可以覆盖哪个位置?

a)H,V grooves on pipe 管材坡口焊 H、V

b)F, V, OH fillets on plate 板材角焊缝 F、V、OH

c)F, V, OH fillets and grooves on plate

板材角焊缝和坡口焊缝 F、V、OH

d)F, H, V, OH fillets and grooves on plate

板材角焊缝和坡口焊缝F、H、V、OH

e)None of the above 以上都不是

6, Which groove weld position has a 10oinclination of axis and a 90orotation of face?

一坡口焊缝,轴倾斜10度和面旋转角90度,这是什么焊接位置?

a)Flat 平焊

b)Horizontal 横焊

c)Vertical 立焊

d)Overhead 仰焊

e)none of the above 以上都不是

7, What is the maximum convexity permitted on a 3/8 inch fillet weld having an actual face width of 9/16 inch?

实际表面宽度9/16英寸,焊缝尺寸为3/8英寸的角焊缝,允许的最大凸度是多少?

a)1/16 inch 1/16英寸

b)3/32 inch 3/32英寸

c)1/8 inch 1/8英寸

d)3/16 inch 3/16英寸

e)none of the above 以上都不是

8. Individuals performing nondestructive testing other than visual shall be qualified in accordance with:

不同于目检人员的无损探伤人员,必须按什么来进行资格评定?

a)AWSD1.1

b)API 1104

c)ASME Section IX

d)ASME Section V

e)ASNT SNT-TC-IA

9. What is the minimum preheat and interpass temperature for FCAW on 1/2

inch thick ASTM A500,Grade A steel, when the base metal temperature is less than 32oF?

当母材温度低于32 oF时,1/2英寸厚的A500 A 级钢板,FCAW焊接时的最低预热和道间温度是多少?

a)None 无规定

b)150oF

c)70oF

d)225oF

e)300oF

10. For GMAW, which is not considered to be an essential variable for

procedure qualification?

对于GMAW的工艺评定,以下什么是不需要考虑的基本参数变化?

a) a change in the number of electrodes used 使用的焊丝数量变化

b) a change from a single shielding gas to a mixture of gases

使用的单一保护气体和混合气体的变化

c) a change of 5% above the mean amperage for each filler metal

diameter used

对于所使用的不同直径焊丝,平均5%以上的安培数变化

d) a change in the position of welding 焊接位置的变化

e) a change in the type of groove 坡口形式的变化

11. Which of the following is not considered to be an essential variable

for the qualification of a WPS for SMAW?

对于SMAW的WPS评定,以下哪一项是不需要考虑的基本参数变化?

a) a decrease in the groove angle 减小坡口角度

b)an increase in the groove angle 增大坡口角度

c) a decrease in the root opening of groove 减小坡口根部间隙

d)an increase in the root face of groove 增大坡口的钝边

e)the omission of backing material 衬垫材料的省略

12. If a welder is successfully qualified on a fillet weld test in 3F test

position, for what welding positions are they qualified?

如果一个焊工成功通过角焊缝3F位置技能评定,那么该评定可以覆盖以下哪个焊接位置?

a)flat and overhead fillets 平、仰角焊缝

b)flat grooves and fillets 平角焊缝和坡口焊缝

c)flat and horizontal grooves 平、横坡口焊缝

d)flat, horizontal, and vertical fillets 平、横、立角焊缝

e)none of the above 以上都不是

13. What plate repair is required when a 3/4 inch long laminar

discontinuity is discovered in an oxygen-cut edge?

在板材氧切割边缘发现一个3/4英寸长层状缺陷,需进行怎样的板材返修?

a)remove and reweld 去除缺陷并补焊

b)grind to determine depth and reweld if deeper than 1/8 inch

打磨足够深度,如果打磨深度超过1/8英寸就补焊

c)grind to determine depth and reweld 打磨确定深度并补焊

d)inspect with ultrasonic testing, remove and reweld if deeper then

1/8 inch

UT检查,去除缺陷,如果深度超过1/8英寸就补焊

e)none; need not be explored 不必采取任何措施

14. Welding shall not be done when the ambient temperature is:

当环境温度为多少度时就严禁焊接:

a)less then -20oF 小于-20 oF时

b)less then 32oF 小于32 oF时

c)less then 0oC 小于0 oC时

d)less then 0oF 小于0 oF时

e)none of the above 以上都不是

15.For the prequalified joint TC-U8a-GF, what is the permissible range for the root opening, as fitup?

对于免除评定的TC-U8a-GF接头,装配的允许根部间隙是多少?

a)0-1/8 inch 0-1/8 英寸

b)0-3/16 inch 0-3/16英寸

c)0-1/4 inch 0-1/4 英寸

d)1/16-1/8 inch 1/16-1/8 英寸

e)1/16-3/16 inch 1/16-3/16英寸

16. For the prequalified joint B-L2c-s,what is the maximum root face

dimension permitted, as fitup, for a base metal thickness of 1-1/4 inches?

对于免除评定的B-L2c-s接头,母材厚度是1-1/4英寸,装配时允许最大钝边是多少?

a) 0-1/8 inch 0-1/8 英寸

b) 1/4 inch maximum 最大1/4 英寸

c) 1/2 inch maximum 最大1/2 英寸

d) 9/16 inch maximum 最大9/16 英寸

e) 5/8 inch maximum 最大5/8 英寸

17. What is the specification of a suitable FCAW filler metal for joining ASTM A516,Grade 55 steel?

用FCAM方法焊接 ASTM A516 55 级钢板,适合的焊丝技术条件是什么?

a)AWS A5.17

b)AWS A5.23

c)AWS A5.18

d)AWS A5.20

e)None of the above 以上都不是

18. What is the maximum diameter E7018 electrode that can be used for a weld in the vertical welding position when using a prequalified procedure?

按照免除评定SMAW焊接工艺,进行立焊位置焊接时,使用的E7018焊条的最大直径是多少?

a)3/32 inch 3/32 英寸

b)1/8 inch 1/8 英寸

c)5/32 inch 5/32 英寸

d)3/16 inch 3/16 英寸

e)7/32 inch 7/32 英寸

19. Which of the following processes is not considered prequalified?

以下哪种焊接方法不被认为是免除评定的?

a)SMAW

b)FCAW

c)GMAW (short circuiting transfer) (短路过渡)

d)SAW

e)GMAW (non-short circuiting transfer) (非短路过渡)

20. What is the minimum fillet weld size for joining 1/4 inch thick plates for cyclically loaded structures?

对于周期载荷结构,连接1/4英寸厚度板的最小角焊缝尺寸是多少?

a) 1/4 inch 1/4 英寸

b) 3/16 inch 3/16 英寸

c) 1/8 inch 1/8 英寸

d) 1/16 inch 1/16 英寸

e) none of the above 以上都不是

21. For GMAW and FCAW, the dew point requirements for shielding gases used must conform to which specification?

对于GMAW和FCAW,保护气体的露点要符合哪一个技术条件?

a)AWS A5.1

b)AWS A5.5

c)ASTM A5.32

d)ASTM A5.5

e)AWS A5.32

22. For a CJP groove weld procedure qualification on a 1/2 inch thick test plate, what is the maximum thickness for which that procedure will be qualified?

对于1/2英寸厚板的CJP坡口焊接工艺评定,它覆盖的最大厚度是多少?

a)1/2 inch 1/2英寸

b)3/4 inch 3/4英寸

c) 1 inch 1 英寸

d)1-1/2 inch 1-1/2英寸

e) 2 inch 2英寸

23. Other than root passes, what is the maximum thickness of passes in

a prequalified horizontal SMAW groove weld?

除了根部焊道,免除评定的SMAW坡口焊缝横焊的最大焊道厚度是多少?

a) 5/16 inch 5/16英寸

b) 3/32 inch 3/32英寸

c) 1/8 inch 1/8英寸

d) 5/32 inch 5/32英寸

e) 3/16 inch 3/16英寸

24. What is the maximum root opening for welder qualification testing on CJP tubular butt joints without backing?

用管材无衬垫CJP坡口接头,进行焊工技能评定试验时,其最大根部间隙是多少?

a)no limit 没有限制

b)1/16 inch 1/16英寸

c)1/8 inch 1/8英寸

d)3/32 inch 3/32英寸

e)3/16 inch 3/16英寸

25. For a 40 foot long horizontally curved welded girder, what is the permissible variation in specified sweep at the midpoint?

对于40英尺长的水平弯曲的焊接大梁,其中点处允许的偏离幅度是多少?

a)(+/-)1/4 inch (+/-)1/4 英寸

b)(+/-)3/8 inch (+/-)3/8 英寸

c)(+/-)1/2 inch (+/-)1/2 英寸

d)(+/-)5/8 inch (+/-)5/8 英寸

e)(+/-)3/4 inch (+/-)3/4 英寸

26. Tack welds and construction aid welds shall meet visual inspection requirements if:

定位焊缝和结构辅助焊缝必须满足目检要求,如果

a)the tack welds are not incorporated into the final weld

点焊未熔合进最终焊缝

b)preheat is required 需要预热

c)the construction aid welds are not removed 没有去除辅助焊缝

d)a) and b) above a和b

e)a) and c) above a和c

27. Using a standard guided bend test jig to bend specimens of a material

having minimum yield strength of 75,000 psi, what is the diameter of the plunger about which it is bent?

用标准导向弯曲试验夹具,对最低屈服强度为75000psi 的试块进行弯曲试验,压头直径是多少?

a) 1 inch 1英寸

b) 2 inch 2英寸

c)1-1/2 inch 1-1/2英寸

d)2-1/2 inch 2-1/2英寸

e)1-1/4 inch 1-1/4英寸

28. When stress relieving a weldment at a temperature of 150oF below the minimum specified temperature, what is the minimum holding time per inch of thickness?

在比最低规定的温度低150 oF时进行应力释放,此时每英寸厚度最少的保温时间是多少?

a) 1 hour 1小时

b) 2 hour 2小时

c) 3 hour 3小时

d) 4 hour 4小时

e)10 hour 10小时

29. A drawing specifies a 3/8 inch fillet weld for a particular weld joint. What size fillet weld is necessary if a 1/8 inch root opening exists between the two pieces prior to welding?

对于一特定的焊接接头,图纸规定角焊缝尺寸是3/8英寸。那么对于焊接之前两板之间根部间隙为1/8英寸接头,则要求什么样的角焊缝尺寸?

a)3/4 inch 3/4英寸

b)3/8 inch 3/8英寸

c)1/2 inch 1/2英寸

d)1/4 inch 1/4英寸

e)none of the above 以上都不是

30. A welder who is successfully qualified to weld with the FCAW process is also qualified to weld using?

一焊工成功通过FCAW焊接方法的资格评定,那么它覆盖以下哪一种焊接方法

a)SMAW

b)GMAW

c)SAW

d)ESW

e)None of the above 以上都不是

31. What is the required minimum preheat for welding 3-1/2 inches thick ASTM A572 steel, Grade 42, using the GMAW process with a prequalified procedure?

采用免除评定的 GMAW 焊接方法,焊接3-1/2英寸厚的ASTM A572 42

级钢板,要求的最低预热温度是多少?

a)50oF

b)150oF

c)225oF

d)300oF

e)none of the above 以上都不是

32.What is the maximum permitted separation between the back side of a

butt joint and its backing bar?

对接接头板材背面和其衬垫之间最大的允许间隙是多少?

a)1/32 inch 1/32英寸

b)1/16 inch 1/16英寸

c)3/32 inch 3/32英寸

d)1/8 inch 1/8英寸

e)3/16 inch 3/16英寸

33.Who is responsible for the qualification of welding procedures?

谁负有进行焊接工艺评定的责任?

a)Welder 焊工

b)independent test lab 第三方试验室

c)quality control manager 质量控制经理

d)manufacturer or contractor 制造商或承包商

e)owner 用户

34. For procedure qualification using a 3/8 inch thick plate, what test

specimens are required or allowed for a CJP groove weld?

3/8英寸板厚的工艺评定,对于CJP坡口焊缝,要求或允许什么试样?

a) 1 tensile, 2 face bends, 2 root bends

1个拉伸,2个面弯,2个根弯

b) 2 tensiles, 1 face bend, 1 root bend

2个拉伸,1个面弯,1个根弯

c) 2 tensiles, 4 face bends 2个拉伸,4个面弯

d) 2 tensiles, 2 face bends, 2个拉身,2个面弯

e) 2 face bends, 2 root bends 2个面弯,2个根弯

35. When two 3/8 inch thick plates are joined in a lap joint configuration,

what is the maximum size fillet weld that can be specified on the plate

edges?

当2块3/8英寸厚板成搭接接头时,板边缘规定的最大角焊缝尺寸是多

少?

a)3/8 inch 3/8英寸

b)1/4 inch 1/4英寸

c)3/16 inch 3/16英寸

d)5/16 inch 5/16英寸

e)none of the above 以上都不是

36 If a welding procedure is being qualified for a CJP groove weld using 6 inch schedule 120 pipe, what range of wall thicknesses will that procedure cover?

对一个直径6英寸、壁厚系列120管的CJP坡口的焊缝工艺评定,可以覆盖的壁厚是多少?

a)no limit 无限制

b)3/16 inch to unlimited 3/16英寸以上

c)1/8 to 3/4 inch 1/8 ~ 3/4英寸

d)0 to 2T 0 ~ 2T

e)none of the above 以上都不是

37, Which of the following methods cannot be used to remove unacceptable work on quenched and tempered steels?

以下哪种方法不能用于去除在淬火-回火钢(调质钢)上面的不合格的加工?

a)oxygen gouging 氧气刨槽

b)machining 机加工

c)chipping 砍削

d)grinding 打磨

e) c and d c和d

38, With a single electrode for SAW, what is the maximum size single pass fillet weld that can be deposited in the horizontal welding position when using a prequalified procedure?

采用免除评定的工艺,在横焊位置施焊,那么,单丝埋弧焊的最大单道角焊缝尺寸是多少?

a)5/32 inch 5/32英寸

b)3/8 inch 3/8英寸

c)5/16 inch 5/16英寸

d)1/4 inch 1/4英寸

e)1/2 inch 1/2英寸

39. How must a crack be corrected?

裂纹必须如何处理?

a)remove and reweld 去除并重焊

b)grind and reweld 打磨并重焊

c)remove crack and sound metal 2 inches beyond each end of the crack

and reweld

去除裂纹部分并超过裂纹两端各2英寸完

好区域的母材金属并重焊

d)reweld with deep penetrating process to assure complete fusion of

crack 采用熔深大的焊接方法重焊,保证裂纹区

域完全熔合

e)none of the above 以上都不是

40. What is the minimum thickness groove weld a welder may weld in

production if the welder was successfully qualified using a 1 inch thick

groove weld plate test coupon?

如果一个焊工通过了1英寸板厚的坡口焊缝技能评定,那么该焊工在产品中可以焊接坡口焊缝的最小板厚是多少?

a)unlimited 无限的

b) 1 inch 1英寸

c)1/2 inch 1/2英寸

d)1/8 inch 1/8英寸

e)none of the above 以上都不是

41. When strengthening or repairing an existing building, the portions

of surfaces that are to receive welds shall be:

当加强或修补现有建筑时,需要施焊的表面必须:

a) cleaned of dirt and rust except adherent paint need not be

remove

清除灰尘及铁锈,但附着牢固的油漆不需清理除外

b) cleaned thoroughly of all foreign matter including paint for a

distance of 1 inch from each side of the weld

彻底清除包括焊缝两边1英寸范围内在内的所有杂质(包括油漆)

c) cleaned thoroughly of all foreign matter including paint for a

distance of 2 inches from the root of the weld

彻底去除距包括焊缝根部2英寸范围内所有的杂质(包括油漆)

d)inspected by dye penetrate prior to welding

焊接前采用渗透检查

e) visually inspected for a distance of 1 inch from each side

对焊缝两边1英寸范围内进行目检

42, When RT is used to examine welds in nontubular, cyclically loaded

structures, what is the maximum length of slag inclusion allowed in a

3/4 inch thick groove weld subject to tension?

当对周期载荷、板材焊缝作RT时,在承受拉应力的、3/4英寸板厚坡口

焊缝上最大的允许夹渣长度是多少?

a)1/8 inch 1/8英寸

b)3/16 inch 3/16英寸

c)1/4inch 1/4英寸

d)5/16 inch 5/16 英寸

e)1/2 inch 1/2英寸

43. When the weld is transverse to the direction of tensile stress in a

cyclically loaded primary member, what is the maximum allowable depth

of undercut for material under 5/8 inches thick?

在周期载荷的主要构件中,当焊缝垂直于拉应力的方向时,对于 5/8 英

寸以下厚度母材,允许的最大咬边深度是多少?

a)0.01 inch 0.01英寸

b)1/32 inch 1/32英寸

c)0.0625 inch 0.0625英寸

d)1/8 inch 1/8英寸

e)not specified 无规定

44. In welding ASTM A514 and ASTM A517 steels, how long must the inspector wait before performing visual inspection for acceptance?

ASTM A514钢和 ASTM A517钢焊接完后,必须要等待多少时间,检验员才能进行目检?

a)when it is cool enough 当充分冷却后

b) 4 hours 4小时

c)48 hours 48小时

d)10 hours 10小时

e)not specified 无规定

45. All welds are to be inspected by which of the following nondestructive methods?

所有要进行检验焊缝要应用以下哪种NDT方法?

a)MT

b)VT

c)PT

d)UT

e)Paint film thickness measurement 漆膜厚度测量

46. The maximum size of porosity permitted in RT of 1/2 inch thick groove weld subject to tensile stress for a cyclically loaded nontubular structure is?

在周期载荷的板材结构中, 1/2英寸板厚的坡口焊缝的RT,所允许的气孔最大尺寸是:

a)1/16 inch 1/16英寸

b)1/8 inch 1/8英寸

c)5/32 inch 5/32英寸

d)3/16 inch 3/16英寸

e)7/32 inch 7/32英寸

47. For a single-sided PJP bevel groove weld, the weld size (E) is the same as the depth of bevel, S. for an as-detailed groove with: 对于一个单面,单边 V 形PJP坡口焊缝,其焊缝尺寸(E)与单边 V 形坡口深度(S)一样,对于这样的坡口的细节是:

a) a 60ogroove angle using SMAW 60o度坡口角度,采用SMAW

b) a 45ogroove angle using SMAW 45o度坡口角度,采用SMAW

c) a 45ogroove angle using SAW 45o度坡口角度,采用SAW

d) a 45ogroove angle using GMAW in the horizontal position

45o度坡口角度,采用GMAW,横焊位置

e)none of the above 以上都不是

48. For a 1/2 inch groove weld subject to compressive stress in a cyclically loaded, nontubular structure, what is the minimum spacing between pores permitted by RT?

在周期载荷、非管材结构中,承受压应力的1/2英寸坡口焊缝, RT允许的气孔间的最小间距是多少?

a)approximately 5/16 inch 大约5/16英寸

b)approximately 1 inch 大约1英寸

c)approximately 1-1/2 inch 大约1-1/2英寸

d)approximately 2 inch 大约2英寸

e)approximately 1/4 inch 大约1/4英寸

49. When utilizing parallel SAW electrodes for a prequalified groove weld procedure, what it the maximum current permitted for the final pass?

当使用免除评定工艺,双丝SAW进行坡口焊缝焊接时,盖面焊的最大允许电流是多少?

a)1000 A

b)700 A

c)900 A

d)1200 A

e)Unlimited 无限制

50. When welding 2 inch thick ASTM A588 steel for exposed, bare, unpainted applications using the SMAW process with a prequalified procedure, which electrode suffixes will produce a deposited weld metal having similar corrosion resistance and color matching as the base metal?

当采用免除评定的 SMAW方法,焊接一2英寸厚的裸露不涂漆 ASTM A588 钢时,带哪个后缀的焊条会熔敷出具有类似母材的抗腐蚀性并匹配母材的颜色?

a)B2

b)No suffix 无后缀

c)B3

d)B2L

e)G

第二部分

(模拟题部分)

1, Not all welders are required to be certified, but a welder welding on low pressure steam lines is required to qualify under AWS D1.1: 不是所有的焊工都需要通过技能评定,但焊接低压蒸汽管线的焊工需要通过AWS D1.1的资格评定。

a)True 对

b)False 错

c)Yes, but only under the “pipe and tubing” options

正确,但是只有“管材”选项才有此要求。

d)False, all welders must be certified, but not necessarily under

AWS D1.1

错误,所有焊工必须通过资格评定,但是不需要通过AWS D1.1资格评定。2, The base metals covered in AWS D1.1 are plain carbon and low alloy steels:

AWS D1.1中包括的是普通碳钢和低合金钢。

a) True

b) False

3, What is the range of thickness of base metals that AWS D1.1 covers?

AWS D1.1中讨论的母材厚度范围是什么?

a)All thicknesses

所有厚度

b)All thicknesses exceeding 1/8 inch

所有超过1/8英寸的厚度

c)Only thicknesses exceeding 1/8 inch and 1 inch

只有1/8英寸~1英寸的厚度

d)thicknesses of 1/8 inch and greater

大于等于1/8英寸的厚度

4. Can GMAW be used as a prequalified process?

GMAW可以用作免除评定的方法吗?

a)Yes 是

b)No 不是

c)Yes, except for short-circuiting

是,但短路过渡除外

5.Can GMAW-S be used as a prequalified process?

GMAW-S可以用作免除评定的方法吗?

a) Yes 可以

b) No 不可以

6.If a new welding process was invented, how could it be used to weld

in accordance with AWS D1.1?

如果发明了一种新的焊接方法,按照 AWS D1.1,它如何能被用于焊接

a)It could not be used. Only SMAW, SAW, GMAW, and FCAW are

qualified processes under AWS D1.1

不能使用。只有根据AWS D1.1评定的SMAW, SAW, GMAW和 FCAW的方

法才行。

b)It could not be used. Only SMAW, SAW, GMAW, FCAW, ESW, EGW, and

GTAW are approved by AWS D1.1

不能使用。只有AWS D1.1批准的SMAW, SAW, GMAW, FCAW, ESW, EGW, 和

GTAW焊接方法才可以。

c)It could be used by qualification under Section 3 as a prequalified

process

根据第三章免除评定的方法,它能通过评定而使用

d)It could be used by qualification of the WPS under Section 4 。

根据第四章通过WPS 的评定,它能被使用

e)None of the above 以上都不对

7. What is the minimum number of plate test(s) required to qualify a fillet welding procedure in all positions?

进行板材的角焊缝的全位置焊接工艺评定,最少需要做几次试验?

a) 4 tests, 1F, 2F, 3F, and 4F

4次,1F,2F,3F和4F

b) 3 tests, 2F, 3F, 4F will qualify in all positions

3次,2F,3F,4F覆盖所有位置的试验

c) 2 tests, 3F, 4F will qualify in all positions

2次,3F,4F可以覆盖所有位置的实验

d) 1 tests, 4F will qualify in all positions

1次,4F可以覆盖所有位置的实验

8.What is the lowest temperature at which welding may be done according

to AWS D1.1?

根据AWS D1.1,可以施焊的最低温度是多少?

a)Less than 0oF 低于0oF

b) Less than 18oF 低于18oF

c) All the above 以上所有

d) 0oF 0oF

e) 18oF 18oF

9.What is the maximum face reinforcement allowed on a production groove

weld in a butt joint?

产品的对接接头坡口焊缝,焊缝面允许的最大余高是多少?

a) Shall not exceed 12 inches or 24 times the thickness of the thinner

plate

严禁超过12英寸或者较薄板材厚度的24倍

b) 3/16 inch, and then only if the weld width is equal to or greater

than 1 inch

3/16英寸,只有当焊缝宽度等于或大于1英寸

c) 1/8 inch

1/8英寸

d) None of the above

以上都不对10.What is the maximum length of overlap allowed on a weld on a T-joint

under this code?

标准允许的T接焊缝的焊瘤的最大长度是多少?

a) Five times the thickness of the thinner part

较薄板材的的五倍板厚

b) Five times the thickness of the thinner part, but not more than

1 inch

较薄板材的的五倍板厚,但是不超过1英寸

c) 1/32 inch

1/32英寸

d) None allowed

不允许11.What is the difference between the AWS A5.1 and AWS A5.5

specifications?

AWS A5.1和 AWS A5.5有什么不同?

a) One is for electrodes and the other one is for base metals

前者讲的是焊条,后者讨论的是母材

b) One is for SMAW electrodes and the other one is for FCAW electrodes

前者是讨论SMAW焊条,后者讨论的是FCAW焊丝

c) One is for plain carbon steel base metals and the other one is

for low-alloy steel base metals

前者关于普通碳钢母材,后者关于低合金钢母材

d) One is for plain carbon steel electrodes and the other one is for

low-alloy steel electrodes

前者讨论的碳钢焊条,后者是低合金焊条

e) None of the above

以上都不对

12.What is the baking requirement for an AWS 5.5 low hydrogen electrode?

AWS 5.5规定对低氢焊条的烘焙要求是什么?

a) Bake at 400oF for at least four hours

在400℉烘陪至少四个小时

b) Bake at 500oF for at least one hours

在 500℉烘焙至少一个小时

c) Bake at 500o-800oF for at least two hours

在 500℉~800℉烘焙至少一个小时

d) Bake at 700o-800oF for at least one hours

在 700℉~800℉烘焙至少一个小时

e) None of the above

以上都不对13.What are the storage conditions required for a low hydrogen electrode

after removal from its` hermetically-sealed container?

低氢焊条从密封包装中取出后储存条件是什么?

a) At least 250oF in an oven

放入不低于250oF的烘箱中

b) At least 450oF in an oven for AWS A5.1 electrodes

根据AWS A5.1,放入不低于450oF的烘箱中

c) At least 500oF in an oven for AWS A5.5 electrodes

根据AWS A5.5,放入不低于500oF的烘箱中

d) b) and c) above

b)和c)都对

e) None of the above

以上都不对

14.How many times may a low-hydrogen electrode be rebaked?

低氢焊条能再烘焙几次?

a) Electrodes cannot be rebaked 焊条不能再烘焙

b) 4 maximum 最多4次

c) 9 maximum 最多9次

d) 10 maximum 最多10次

e) Once 1次

15.What is the suggested minimum backing thickness for SMAW?

建议的SMAW衬垫的最大厚度是多少?

a) 1/8 inch 1/8英寸

b) 3/16 inch 3/16英寸

c)Backing thickness will be determined by the metal thickness and

amperage used

衬垫厚度取决于金属厚度和所用电流

d) All of the above

以上都对

16.What is the suggested filler metal classification for welding ASTM A131

Grade DH32 steel with GMAW?

使用GMAW焊接ASTM A131 DH32级钢时建议使用什么等级的填充金属?

a) E7015

b) ER70S-X

c) AWS A5.1

d) AWS A5.5

e) AWS A5.18

f) None of the above 以上都不对

17.What is the largest diameter E7018 electrode that may be used a V-groove

joint in the overhead position using a prequalified SMAW WPS?

采用免除评定的SMAW 的WPS,E7018焊条用于V型坡口仰焊位置的最大直径是多少?

a) 5/16 inch 5/16英寸

b)3/16 inch 3/16英寸

c) 5/32 inch 5/32英寸

d)Electrode diameter is a non-essential variable for WPS

qualification

对于WPS评定,焊接条直径是非基本参数18.Could OFW-A be used to weld on a job that required AWS D1.1 code

conformance?

要求符合 AWS D1.1的工作,能采用 OFW-A焊接吗?

a) Yes, if the procedure was qualified per Section 4

可以,如果工艺按第四章作了评定

b) No, AWS D1.1 does not recognize oxy-fuel as a welding process

不可以,AWS D1.1不认可氧气焊接这一方法

c) No, only arc welding processes may be used to weld structural

steel

不可以,只有电弧焊接方法才能用于焊接钢结构

d) Yes, OFW-A is a prequalified process under AWS D1/1

可以,AWS D1.1规定OFW免除评定19.Are the metric dimensions given in AWS D1.1 exact?

AWS D1.1给出了精确的公制尺寸吗?

a) Yes 是

b) No 不是

20.Per AWS D1.1, what is the maximum fillet weld size for a statically

loaded lap joint on 1/4 inch thick steel?

对于静载荷搭接接头,按AWS D1.1,焊接1/4英寸厚钢板,最大的角焊缝尺寸是多少?

a) 1/8 inch 1/8英寸

b)3/16 inch 3/16英寸

c)1/4 inch 1/4英寸

d)5/16 inch 5/16英寸

21.When may Cobalt 60 be used as a radiographic source?

钴60在什么情况下能用作 RT的放射源?

a) For X-ray units, 600kvp maximum

用于X射线机,最大值600KVP

b) When the steel is 2.5 inches thick or less

当板厚等于或小于2.5英寸

c) When the steel is over 2.5 inches thick

当板厚大于2.5英寸

d) Only when testing cobalt

只有在试验钴的情况下使用

e) Never

不可用22.How often are visual examinations required for inspectors under AWS

D1.1?

AWS D1.1里要求检验员多久进行一次视力检查?

a) Once, within least 6 months of CWI certification

1次,CWI最少6个月之内

b) Once, within least 3 months of CWI certification

1次.CWI最少3个月之内

c) Once each year

1年1次

d) Once each 3 year

3年1次

e) Once every three years or if necessary

3年1次或有需要时

f) None of the above

以上都不对23.What is the lowest temperature at which welding can be done without

preheating a 1/2 inch thick ASTM A36 carbon steel?

在没有预热的情况下,1/2英寸厚的ASTM A36碳钢能进行焊接的最低温度是什么?

a) 0oF 0oF

b) Blow 32oF 低于32oF

c) 32oF 32oF

d) 70oF 70oF

e) None of the above 以上都不对

24.When the fit-up of a T-joint for fillet welding reveals a 1/16 inch

root opening, what should be done?

当装配T形接头以焊接角焊缝时,发现根部间隙为1/6英寸,应该怎么办?

a) No corrective action is necessary because joints having members

of any thickness may have up to a 5/16 inch opening

因为任何厚度可以有大到 5/16英寸的间隙,因此无需采取纠正措施。

b) Close the joint to as tight as practicable

尽可能使接头靠紧。

c) Close the joint to a maximum of 3/16 inch except in cases involving

either shapes or plates 3 inches or greater in thickness

除了角钢或板材之一的厚度为 3英寸或更厚以外,将接头靠紧到最大

3/16 英寸

d) increase the leg of the fillet weld by 1/6 inch

将角焊缝焊脚增加 1/6 英寸

25.What is the maximum time an E7018R electrode may be exposed to the

atmosphere if established by testing?

如果经试验确认,E7018R焊条可以在大气中暴露的最长时间是?

a) 1/2 hour 半小时

b) 1 hour 1小时

c) 2 hour 2小时

d) 4 hour 4小时

e) 9 hour 9小时

f) 10 hour 10小时

26.Is caulking allowed on V-groove welds on a base metal having a yield

strength of 70,000 psi?

在屈服强度为70,000 psi 的V-型坡口焊缝上允许进行捻缝(凿密)吗?

a) Yes 可以

b) No 不可以

c)Yes, only if preheat is used

可以,但要预热

27.What does AWS D1.1 say about interpass weld cleaning?

关于焊缝道间清理,AWS D1.1说了些什么?

a) Nothing AWS D1.1 does not cover cleaning

AWS D1.1没有讨论清理的内容

b) Interpass cleaning may be done using a needle descaler or a hand

chipping hammer and a power brush

可以使用打磨盘或或手工铲锤和动力刷进行焊缝道间清理

c) Slag shall be removed from the weld crater before resuming welding

after any interruption

在任何中断之后恢复焊接之前,必须把焊渣从焊缝坑中清除

d) b) and c) above

b)和c)

e) None of the above

以上都不对

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