Sample Questions

&

Practice Examination

for

D1.1:2002 Structural Welding Code – Steel

Part 1

Sample Questions for

AWS D1.1, Structural

Welding Code – Steel

Applicable to D1.1:2000 and D1.1:2002

D1.1 Sample Questions

Read each question carefully and select the one best answer. It is helpful for you to write down the Section number(s) and page number(s) where you found the answer.

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:

a. Trueb. Falsec. Yes, but only under the “pipe and tubing” optionsd. False, all welders must be certified, but not necessarily under the AWS D1.1 code

2. The only base metals covered in AWS D1.1 are plain carbon and low allow steels:a. Trueb. False

3. What is the range of thickness of base metals that AWS D1.1 covers?a. All thicknessesb. All thicknesses exceeding 1/8 inchc. Only thicknesses between 1/8 inch and 1 inchd. Thicknesses of 1/8 inch and greater

4. Can GMAW be used as a prequalified process?a. Yesb. Noc. Yes, except for short-circuiting

5. Can GMAW-S be used as a prequalified process?a. Yesb. No

6. If a new welding process was invented tomorrow, how could it be used to weld in accordance with the AWS D1.1 code?

a. It could not be used. Only SMAW, SAW, GMAW, and FCAW are qualified processes under AWS D1.1b. It could not be used. Only SMAW, SAW, GMAW, FCAW, ESW, EGW, and GTAW are approved by

AWS D1.1c. It could be used by qualifying it under section 3 as a prequalified processd. It could be used by qualification of the WPSs under section 4 and with the approval of the Engineere. None of the above

7. Once qualified on one type of joint, an arc welding procedure can be used to weld on any joint.a. Trueb. Falsec. False, except that qualification on any CJP groove weld qualifies for any groove detail of 3.12 and 3.13

8. What is the lowest temperature at which welding may be done according to AWS D1.1?a. Less than 0oFb. Less than 18oFc. All the aboved. 0oF e. 18oF

9. What is the maximum face reinforcement allowed on a production groove weld in a butt joint?a. Shall not exceed 12 inches or 24 times the thickness of the thinner plateb. 3/16 inch, and then only if the weld width is equal to or greater than 1 inch

c. 1/8 inchd. None of the above

10. What is the maximum length and height of overlap allowed on a weld on a tee joint under this code?a. Five times the thickness of the thinner partb. Five times the thickness of the thinner part, but not more than 1 inchc. 1/32 inchd. None allowed

11. What is the difference between an AWS A5.1 and an AWS A5.5 specification?a. One is for electrodes, one for base metalsb. One is for SMAW electrodes, one for FCAW electrodesc. One is for plain carbon steel base metals, one for low-alloy steel base metalsd. One is for plain carbon steel electrodes, one for low-alloy steel electrodese. None of the above

12. What are the reconditioning requirements for an AWS A5.5 low hydrogen electrode?a. Bake at 400oF for at least four hoursb. Bake at 500oF for at least one hourc. Bake at 500o - 800oF for at least two hoursd. Bake at 700o - 800oF for at least one houre. None of the above

13. What are the storage conditions required for a low hydrogen electrode after removal from its’ hermetically-sealed container?

a. At least 250o F in an ovenb. At least 450oF in an oven for AWS A5.1 electrodesc. At least 500oF in an oven for AWS A5.5 electrodesd. b. and c. abovee. None of the above

14. How many times can an electrode be redried?a. Electrodes cannot be redriedb. 4 maximumc. 9 maximumd. 10 maximume. Once

15. What is the suggested minimum backing thickness for SMAW?a. 1/8 inchb. 3/16 inchc. Backing thickness will be determined by the metal thickness, and amperage usedd. All the above

16. What is the suggested filler metal classification to use to weld ASTM A131 Grade DH32 steel with GMAW?a. E7015b. ER70S-Xc. AWS A5.1d. AWS A5.5e. AWS A5.18f. None of the above

17. What is the largest E7018 electrode diameter that is prequalified to weld a V-groove weld in the overhead position?a. 5/16 inchb. 3/16 inchc. 5/32 inchd. Electrode diameter is a non-essential variable for WPS qualification

18. Could OFW-A be used to weld on a job that required AWS D1.1 code conformance?a. Yes, if the procedure was qualified per section 4 and if it was approved by the engineerb. No, AWS D1.1 does not recognize oxy-fuel as a welding processc. No, only arc welding processes may be used to weld structural steeld. Yes, OFW-A is a prequalified process under AWS D1.1

19. Are the metric dimensions given in AWS D1.1 exact?a. Yesb. No

20. Per AWS D1.1, what is the proper fillet weld size for a statically loaded lap joint on ¼ inch steel?a. 1/8 inch minimumb. 3/16 inch maximumc. ¼ inch minimumd. 5/16 inche. a. and b. above

21. When may Cobalt 60 be used as a radiographic source?a. For X-ray units, 600kvp maximumb. When the steel is 2.5 inch thick or lessc. When the steel is over 2.5 inch thickd. Only when testing Cobalte. Never

22. How often are visual examinations required for inspectors under AWS D1.1?a. Once, within last 6 months of CWI certificationb. Once, within last 3 months of CWI certificationc. Once each yeard. Once each 3 yearse. Once every three years or less if necessaryf. None of the above

23. What is the lowest temperature at which welding can be done without preheating a ½ inch ASTM A36 Carbon Steel?

a. 0oFb. Below 32oFc. 32oFd. 70oFe. None of the above

24. When the fit-up of a tee joint for fillet welding reveals a 1/16 inch root opening, what should be done?a. No corrective action necessaryb. Close the joint to as tight as practicablec. Open the joint to a maximum of 3/16 inch except in cases involving either shapes or plates 3 inch or

greater in thicknessd. a or b

25. What is the maximum time an E7018R electrode may be exposed to the atmosphere if established by testing?a. ½ hourb. 1 hourc. 2 hoursd. 4 hourse. 9 hoursf. 10 hours

26. Is caulking allowed on V-groove welds on a base metal with 70,000 psi yield strength?a. Yesb. No

27. What does AWS D1.1 say about interpass weld cleaning?a. Nothing, AWS D1.1 covers welding, not cleaningb. Interpass cleaning must be done using a needle descaler or a hand chipping hammer and a power brushc. Slag shall be removed from the weld crater before resuming welding after any interruption d. b and c abovee. None of the above

28. What is the minimum preheat temperature for welding 1 inch thick ASTM A36 plate with an E7018 electrode?a. 0oFb. 32oFc. 50oFd. 70oFe. 150oFf. none of the above

29. What is the largest E7015 electrode for prequalified procedures by AWS D1.1 for welding in the overhead position?

a. 5/32 inchb. 3/16 inchc. ¼ inchd. 5/16 inche. None of the above

30. What is the maximum prequalified size a single pass, 2F weld on A36 plate could possibly be, according to the AWS D1.1 code, if welded with an E7018 electrode?

a. 5/32 inchb. 5/16 inchc. 3/8 inchd. ½ inche. None of the above

31. Individuals performing nondestructive testing (other than visual) shall be qualified in accordance with:a. AWS QC-1 requirementsb. AWS QC-5 requirementsc. SNT-TC-1A requirementsd. Both a and b abovee. None of the above

32. What is the minimum preheat and interpass temperature for welding ½ inch thick ASTM A709 Grade 36 steel with an E6013 electrode when the base metal temperature is less than 32°F?

a. 0oFb. 32oFc. 50oFd. 70oFe. 150oFf. None of the above

33. What plate repair is required when a 3/4 inch long laminar discontinuity is discovered in an oxygen-cut edge?a. Remove and reweldb. Grind to determine depth and reweld if deeper then 1/8 inchc. Grind to determine depth and reweldd. Inspect with ultrasonic testing and remove and reweld if deeper than 1/8 inch

e. None, need not be explored34. Welding shall not be done when the ambient temperature is:

a. less than 0oFb. 32oFc. Minimum temperature depends on the metal type, thickness, and electrode typed. None of the above

35. What is the minimum fillet weld size allowed for shielded metal arc welding a ¾ inch stud onto a ¾ inch plate?a. 1/8 inchb. 3/16 inchc. ¼ inchd. 5/16 inche. None of the above

36. For prequalified joint TC-U8a-GF, what is the permissible range for the root opening, as fit-up?a. 0 - 1/8 inchb. 0 - 3/16 inchc. 0 - ¼ inchd. 1/16 - 3/16 inche. None of the above

37. For the prequalified joint B-L2c-S, what is the range of root face dimensions as fit-up permitted for base metal thickness of 1 inch?

a. 3/16 to 5/16 inchb. ¼ to 5/16 inchc. ¼ inch maximumd. Not limitede. 0 to 5/16 inch

38. What is the classification of a suitable FCAW filler material for joining ASTM A516 Grade 55 steel?a. AWS A5.17b. AWS A5.23c. AWS A5.18d. AWS A5.20e. None of the above

39. What does AWS D1.1 require for visual acuity for all inspection personnel?a. Near visual acuity of Snellen English, or equivalent, at no less than 12 inchb. Far vision acuity of 20/40, or better.c. All the aboved. None of the above

40. What is the specification of a suitable FCAW filler material for joining ASTM A516 Grade 55 steel?a. AWS A5.17b. AWS A5.23c. AWS A5.18d. AWS A5.20e. None of the above

41. Tack welds shall be subjected to the same quality requirements as the final weld except: a. Cracks are acceptableb. Undercut is permissiblec. Preheat is requiredd. Undercut is permissible prior to the final SAWe. Porosity is permissible

42. When stress relieving a weldment at a temperature of 150o F below the minimum specified temperature, what is the minimum holding time for a 4 inch thick steel plate?

a. 2 hoursb. 4 hoursc. 10 hoursd. 20 hourse. 40 hoursf. None of the above

43. A welder qualified to weld with the FCAW process is also qualified to weld using:a. SMAWb. GMAWc. SAWd. ESWe. None of the above

44. For prequalified joint B-U2-GF, the maximum root opening as fit-up is: a. 0 - 1/8 inchb. 0 - 3/16 inchc. 1/16 - ¼ inchd. Not limitede. 3/16 inch

45. An E6020 electrode would be included in which group? a. F1 b. F2 c. F3 d. F4

46. The maximum weld reinforcement permitted for a procedure qualification test on 6G pipe having a wall thickness of 1-½ inch is:

a. 1/32 inchb. 1/16 inchc. 1/8 inchd. 3/16 inch

47. What is the test position where the axis of the pipe is at 45 degrees and the pipe is not turned while welding?a. 1Gb. 2Gc. 5Gd. 6G

48. The groove welding position where the inclination of axis is 35 degrees and the rotation of face is 200 degrees is:a. Flatb. Horizontalc. Verticald. Overhead

49. When rounding the corners of the finished bend test specimen, the maximum allowable radius is :a. Noneb. 1/16 inchc. 3/32 inchd. 1/8 inche. Dependent on the thickness of the bend test coupon

50. When fillet welding a 1 inch stud in the overhead position with an E7018 electrode, which of the following electrode diameters may be used?

a. 1/8 inchb. 3/16 inchc. 5/16 inchd. 3/8 inche. 7/16 inch

51. When fillet welding a 3/8 inch stud in the flat position with an E7018 electrode, what diameter electrode must be used?

a. 1/8 inchb. 3/16 inchc. 5/16 inchd. 3/8 inche. 7/16 inch

52. What is the proper width of a root bend test coupon from a 6 inch, Schedule 40 pipe?a. 1 inchb. 1 ½ inchc. 1 ¾ inchd. 2 inche. None of the above

53. What is the proper width of a face bend test coupon from a 2-inch, Schedule 40 pipe?a. 1 inchb. 1-½ inchc. 1-¾ inchd. 2 inche. None of the above

54. Steel backing for welds in statically loaded structures:a. Need not be welded full length or removedb. Need not be welded full length or removed unless specified by the Engineerc. Shall be removed prior to inspectiond. Shall be welded full length, need not be removed

55. May structural welds be peened?a. Yesb. Noc. Yes, but only on intermediate weld layers

56. Does AWS D1.1 require current certification as a CWI to work as a welding inspector?a. Yesb. No

57. How much undercut does AWS D1.1 allow on 3/8 inch plate for a procedure qualification?a. No more than 1/32 inch for metals less than 1 inchb. Up to 1/16 inch if no more than 2 inch length in any 12 inch for metals less than 1 inch thickc. No more than 1/16 inch for metals more than 1 inch thickd. Combination of a, b, and c, abovee. No more than 1/32 inch for any thickness metal

58. When must edge blocks be used for radiographic testing?a. When radiographing butt welds ½ inch thickb. When radiographing butt welds less than ½ inch thicknessc. When radiographing butt welds greater than ½ inch thickness

d. When radiographing butt welds 1 in or greater in thickness

59. When may studs be furnished without flux?a. Studs used for arc welding to steel members with the use of automatically timed stud welding equipmentb. Alternative head configurations shall be permitted with proof of mechanical testingc. 5/16 inch diameter studsd. All the abovee. Studs smaller than 5/16 inch diameter

60. How much undercut does AWS D1.1 allow on a 3/8 inch test plate for a welder qualification?a. None allowedb. 5% of base metal thicknessc. 1/32 inchd. 1/16 inch for no less than 2 inch in any 12 inch length, otherwise 1/32 inch

61. How much overlap is allowed on a procedure qualification test?a. None, the weld shall merge smoothly with the base metalb. 5% of base metal thicknessc. 1/32 inchd. 1/16 inch for no less than 2 inch in any 12 inch length, otherwise 1/32 inch

62. Under AWS D1.1, what is the largest single tear allowable in the middle of the outside convex surface of a guided bend test coupon for welder qualification?

a. None, cracks are not allowedb. 1/32 inchc. 1/16 inchd. 3/32 inche. 1/8 inchf. None of the above

63. How long does welder certification last per AWS D1.1?a. 3 Monthsb. 6 Monthsc. 1 Yeard. 2 Yearse. Indefinitelyf. Indefinitely, unless not engaged in the process for more than 6 months at a time

64. Can a WPS using GMAW-S be qualified under AWS D1.1?a. No, GMAW-S is the exception, and therefore is not prequalifiedb. Yes, GMAW-S is a code approved process and is therefore a prequalified processc. No, under no circumstances can the short circuiting GMAW process be used on structural steel under

AWS D1.1d. Yes, provided the WPSs are qualified in conformance with the requirements of section 4

65. Who is actually responsible for conducting qualification tests?a. The manufacturerb. The manufacturer or contractorc. The manufacturer, contractor, or an independent testing agencyd. The American Welding Society

66. What is the difference between a welder and a welding operator?a. A welder is a machine, a welding operator is the person using the machineb. A welder is a person who welds, a welding operator is a person who welds and operates equipment

c. A welder is a person who performs manual or semi-automatic welding; a welding operator is a person who operates mechanized welding equipment

d. Job classifications are determined by the employere. None of the above

67. How much melt-through is allowed on T, K, or Y connections on procedure qualification tests?a. Noneb. 1/32 inchc. 1/16 inchd. 1/8 inche. Unlimited

68. If a welding procedure is qualified in the 6G position, what groove weld positions is that procedure qualified for?a. F, H, and Vb. F, H, V, and OHc. H, V, and OHd. All positions

69. If a welding operator qualifies in the 2G position, what groove weld positions is that welding operator qualified for?a. 2G plateb. 1G pipe over 24 inches diameterc. 1F plated. 2F pipe over 24 inches diametere. All of the above

70. If a welding procedure is qualified in the 4G position, what groove weld positions is that procedure qualified for?a. Fb. F, H, and OHc. F, H, V, and OHd. H and OH onlye. OH only

71. What is the maximum wall thickness a procedure is qualified for if the test weld is a square groove weld without backgouging, given on 24 inch diameter, ¾ inch wall pipe, CJP?

a. 3/8 inchb. ¾ inchc. Unlimitedd. None of the above

72. If a GTAW procedure was qualified with a backing plate, would the omission of the backing plate in production require requalification?

a. Nob. Yes

73. How long must an E9018-A2 electrode be baked prior to welding an ASTM A514 steel if furnished in hermetically sealed containers?

a. 2 hours at 500o to 800oFb. 1 hour at 700o to 800oF c. No baking required if furnished in an hermetically sealed container that is undamaged

74. Is peening allowed on fillet welds?a. Yesb. Noc. Yes, but only on the root and cover passd. Yes, but only on intermediate layers

75. Can a radiographic examination be substituted for bend testing on a welder qualification test? a. Yesb. Yes, except for GMAWc. Yes, except for GMAW-Sd. No

Part 2

Practice Examination

for

D1.1 Structural

Welding Code

Steel 2002

D1.1 Practice Examination

Read each question carefully and select the one best answer. It is helpful for you to write down the Section number(s) and page number(s) where you found the answer. The exam should be completed within a two-hour period.

1. For RT of 1-1/2 inch thick plate, which hole-type IQI designation is required (Source Side)?a) 20b) 25c) 30d) 35e) 40

2. Which of the following SMAW electrodes is not included in the F2 group?a) E6012b) E6010c) E6013d) E6014e) none of the above

3. The maximum weld reinforcement permitted for a welding procedure qualification on pipe or tubing having a wall thickness of 0.208 inches is:a) none permittedb) 1/16 inchc) 3/16 inchd) 3/32 inche) 1/8 inch

4. For a fillet weld joining 1/2 inch thick statically loaded non-tubular members, what maximum length of 1/16 inch deep undercut is allowed in any 12 inch length of weld?a) 1 inchb) 1-1/2 inchesc) 2 inchesd) 2-1/2 inchese) none

5. When a CJP groove weld procedure is successfully qualified on a pipe in the 5G test position, for what positions is it qualified?a) H, V grooves on pipeb) F, H, V, OH fillets on platec) F, V, OH fillets and grooves on plated) F, H, V, OH fillets and grooves on platee) none of the above

6. Which groove weld position has a 10o inclination of axis and a 90o rotation of face?a) flatb) horizontalc) verticald) overheade) none of the above

7. What is the maximum convexity permitted on a 3/8 inch fillet weld having an actual face width of 9/16 inch?a) 1/16 inch

b) 3/32 inchc) 1/8 inchd) 3/16 inche) none of the above

8. Individuals performing nondestructive testing other than visual shall be qualified in accordance with:a) AWS D1.1b) API 1104c) ASME Section IXd) ASME Section Ve) ASNT SNT-TC-1A

9. What is the minimum preheat and interpass temperature for welding 1/2 inch thick ASTM A500, Grade A, when the base metal temperature is less than 32o F?a) noneb) 150o Fc) 70o Fd) 225o Fe) 300o F

10. For GMAW, which is not considered to be an essential variable for procedure qualification?a) a change in the number of electrodes usedb) a change from a single shielding gas to a mixture of gasesc) a change of 5% above the mean amperage for each filler metal diameter usedd) a change in the position of weldinge) a change in the type of groove

11. Which of the following is not considered to be an essential variable of a SMAW procedure qualification of a WPS?a) a decrease in the groove angleb) an increase in the groove anglec) a decrease in the root opening of the grooved) an increase in the root face of the groovee) the omission of backing material

12. If a welder is successfully qualified on a fillet weld test in the 3F test position, in what other welding positions is he or she also qualified?a) flat and overhead filletsb) flat grooves and filletsc) flat and horizontal groovesd) flat, horizontal, and vertical filletse) none of the above

13. What plate repair is required when a 3/4 inch long laminar discontinuity is discovered in an oxygen-cut edge?a) remove and reweldb) grind to determine depth and reweld if deeper than 1/8 inchc) grind to determine depth and reweldd) inspect with ultrasonic testing, remove and reweld if deeper than 1 /8 inche) none; need not be explored

14. Welding shall not be done when the ambient temperature is:a) less than –20o Fb) less than 32o Fc) less than 0o Cd) less than 0o Fe) none of the above

15. For the prequalified joint TC-U8a-GF, what is the permissible range for the root opening, as fitup?a) 0 - 1/8 inchb) 0 - 3/16 inchc) 0 - 1/4 inchd) 1/16 - l/8 inche) 1/16 - 3/16 inch

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?a) 0 - 1/8 inchb) 1/4 inch maximumc) 1/2 inch maximumd) 9/16 inch maximume) 5/8 inch maximum

17. What is the specification of a suitable FCAW filler metal for joining ASTM A516, Grade 55?a) AWS A5.17b) AWS A5.23c) AWS A5.18d) AWS A5.20e) none of the above

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?a) 3/32 inchb) 1/8 inchc) 5/32 inchd) 3/16 inche) 7/32 inch

19. Which of the following processes is not considered prequalified?a) SMAWb) FCAWc) GMAW (short circuiting transfer)d) SAWe) GMAW (non-short circuiting transfer)

20. What is the minimum fillet weld size for joining 1/4 inch thick plates for cyclically loaded structures?a) 1/4 inchb) 3/16 inchc) 1/8 inchd) 1/16 inche) none of the above

21. For GMAW and FCAW, the shielding gases used must exhibit a dew point of:a) - 40o F or lowerb) - 40o C or lowerc) - 20o F or lowerd) a and b abovee) b and c above

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?a) 1/2 inchb) 3/4 inchc) 1 inchd) 1-1/2 inches

e) 2 inches

23. Other than root passes, what is the maximum thickness of layers in a prequalified horizontal SMAW groove weld?a) 5/16 inchb) 3/32 inchc) 1/8 inchd) 5/32 inche) 3/16 inch

24. What is the maximum root opening for welder qualification testing on CJP tubular butt joints without backing?a) no limitb) 1/16 inchc) 1/8 inchd) 3/32 inche) 3/16 inch

25. For a 40 foot long horizontally curved welded girder, what is the permissible variation in specified sweep at the midpoint?a) (+) or (-) 1/4 inchb) (+) or (-) 3/8 inchc) (+) or (-) 1/2 inchd) (+) or (-) 5/8 inche) (+) or (-) 3/4 inch

26. Tack welds shall be subject to the same quality requirements as the final weld except:a) cracks are acceptableb) undercut is permissiblec) preheat is always requiredd) undercut is permissible prior to final SAWe) porosity is permissible

27. Using a standard guided bend test jig to bend specimens of a material having a minimum yield strength of 75,000 psi, what is the diameter of the plunger about which it is bent?a) 1 inchb) 2 inchesc) 1-1/2 inchesd) 2-1/2 inchese) 1-1/4 inches

28. When stress relieving a weldment at a temperature of 150o F below the minimum specified temperature, what is the minimum holding time per inch of thickness?a) 1 hourb) 2 hoursc) 3 hoursd) 4 hourse) 10 hours

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?a) 3/4 inchb) 3/8 inchc) 1/2 inchd) 1/4 inche) none of the above

30. A welder who is successfully qualified to weld with the FCAW process is also qualified to weld using:a) SMAWb) GMAWc) SAWd) ESWe) none of the above

31. What is the required minimum preheat for welding 2-1/2 inches thick A572, Grade 42, using the GMAW process with a prequalified procedure?a) 50o Fb) 150o Fc) 225o Fd) 300o Fe) none of the above

32. What is the maximum permitted separation between the back side of a butt joint and its backing bar?a) 1/32 inchb) 1/16 inchc) 3/32 inchd) 1/8 inche) 3/16 inch

33. Who is responsible for the qualification of welding procedures?a) welderb) independent test labc) quality control managerd) manufacturer or contractore) owner

34. For procedure qualification using a 3/8 inch thick plate, what test specimens are required for a CJP groove weld?a) 1 tensile, 2 face bends, 2 root bendsb) 2 tensiles, 1 face bend, 1 root bendc) 2 tensiles, 4 side bendsd) 2 tensiles, 2 face bends, 2 root bendse) none of the above

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?a) 3/8 inchb) 1/4 inchc) 3/16 inchd) 5/16 inche) none of the above

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?a) no limitb) 3/16 to unlimitedc) 1/8 to 3/4 inchd) 0 to 2Te) none of the above

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

a) oxygen gougingb) machiningc) chippingd) grindinge) c and 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?a) 5/32 inchb) 3/8 inchc) 5/16 inchd) 1/4 inche) 1/2 inch

39. How must a crack be corrected?a) remove and reweldb) grind and reweldc) remove crack and sound metal 2 inches beyond each end of the crack and reweldd) reweld with deep penetrating process to assure complete fusion of cracke) none of the above

40. What is the minimum thickness groove weld a welder may weld in production if the welder was successfully qualified using a 1inch thick groove weld test coupon?a) unlimitedb) 1 inchc) 1/2 inchd) 1/8 inche) none of the above

41. When strengthening or repairing an existing building, the portions of surfaces that are to receive welds shall be:a) cleaned of dirt and rust except adherent paint need not be removedb) cleaned thoroughly of all foreign matter including paint for a distance of 1 inch from each side of the weldsc) cleaned thoroughly of all foreign matter including paint for a distance of 2 inches from the root of the weldd) inspected by dye penetrant prior to weldinge) visually inspected for a distance of 1 inch from each side

42. When RT is used to examine welds in non-tubular, cyclically loaded structures, what is the maximum length of slag inclusion allowed in a 3/4 inch thick groove weld subject to tension?a) 1/8 inchb) 3/16 inchc) 1/4 inchd) 5/16 inche) 1/2 inch

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 inch thick?a) 0.01 inchb) 1/32 inchc) 0.0625 inchd) 1/8 inche) not specified

44. In welding A514 and A517 steels, how long must the inspector wait before accepting the welding by visual methods?a) when it is cool enoughb) 4 hoursc) 48 hoursd) 10 hourse) not specified

45. All welds are to be inspected by which of the following nondestructive methods?a) MTb) VTc) PTd) UTe) paint film thickness measurement

46. The maximum size of porosity permitted in RT of a 1/2 inch thick groove weld subject to tensile stress for a cyclically loaded non-tubular structure is:a) 1/16 inchb) 1/8 inchc) 5/32 inchd) 3/16 inche) 7/32 inch