Sampleq practice-exam-d11-2002 (1)
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This document provides a sample examination for the AWS D1.1 Structural Welding Code - Steel. It contains 57 multiple choice questions testing knowledge of various requirements and qualifications within the AWS D1.1 code. The questions cover topics like welder certification requirements, prequalified welding processes, filler metal specifications, preheat and interpass temperature limits, weld joint fit-up tolerances, nondestructive testing qualifications, and inspection criteria.
Sampleq practice-exam-d11-2002 (1)
- 1. Sample Questions & Practice Examination for D1.1:2002 Structural Welding Code – Steel
- 3. Part 1 Sample Questions for AWS D1.1, Structural Welding Code – Steel Applicable to D1.1:2000 and D1.1:2002
- 5. 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. True b. False c. Yes, but only under the “pipe and tubing” options d. 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. True b. False 3. What is the range of thickness of base metals that AWS D1.1 covers? a. All thicknesses b. All thicknesses exceeding 1/8 inch c. Only thicknesses between 1/8 inch and 1 inch d. Thicknesses of 1/8 inch and greater 4. Can GMAW be used as a prequalified process? a. Yes b. No c. Yes, except for short-circuiting 5. Can GMAW-S be used as a prequalified process? a. Yes b. 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 D1.1 b. It could not be used. Only SMAW, SAW, GMAW, FCAW, ESW, EGW, and GTAW are approved by AWS D1.1 c. It could be used by qualifying it under section 3 as a prequalified process d. It could be used by qualification of the WPSs under section 4 and with the approval of the Engineer e. 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. True b. False c. 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 0o F b. Less than 18o F c. All the above d. 0o F e. 18o F 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 plate b. 3/16 inch, and then only if the weld width is equal to or greater than 1 inch c. 1/8 inch d. None of the above
- 6. 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 part b. Five times the thickness of the thinner part, but not more than 1 inch c. 1/32 inch d. 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 metals b. One is for SMAW electrodes, one for FCAW electrodes c. One is for plain carbon steel base metals, one for low-alloy steel base metals d. One is for plain carbon steel electrodes, one for low-alloy steel electrodes e. None of the above 12. What are the reconditioning requirements for an AWS A5.5 low hydrogen electrode? a. Bake at 400o F for at least four hours b. Bake at 500o F for at least one hour c. Bake at 500o - 800o F for at least two hours d. Bake at 700o - 800o F for at least one hour e. 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 oven b. At least 450o F in an oven for AWS A5.1 electrodes c. At least 500o F in an oven for AWS A5.5 electrodes d. b. and c. above e. None of the above 14. How many times can an electrode be redried? a. Electrodes cannot be redried b. 4 maximum c. 9 maximum d. 10 maximum e. Once 15. What is the suggested minimum backing thickness for SMAW? a. 1/8 inch b. 3/16 inch c. Backing thickness will be determined by the metal thickness, and amperage used d. All the above 16. What is the suggested filler metal classification to use to weld ASTM A131 Grade DH32 steel with GMAW? a. E7015 b. ER70S-X c. AWS A5.1 d. AWS A5.5 e. AWS A5.18 f. 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 inch b. 3/16 inch c. 5/32 inch d. Electrode diameter is a non-essential variable for WPS qualification
- 7. 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 engineer b. No, AWS D1.1 does not recognize oxy-fuel as a welding process c. No, only arc welding processes may be used to weld structural steel d. Yes, OFW-A is a prequalified process under AWS D1.1 19. Are the metric dimensions given in AWS D1.1 exact? a. Yes b. 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 minimum b. 3/16 inch maximum c. ¼ inch minimum d. 5/16 inch e. a. and b. above 21. When may Cobalt 60 be used as a radiographic source? a. For X-ray units, 600kvp maximum b. When the steel is 2.5 inch thick or less c. When the steel is over 2.5 inch thick d. Only when testing Cobalt e. Never 22. How often are visual examinations required for inspectors under AWS D1.1? a. Once, within last 6 months of CWI certification b. Once, within last 3 months of CWI certification c. Once each year d. Once each 3 years e. Once every three years or less if necessary f. 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. 0o F b. Below 32o F c. 32o F d. 70o F e. 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 necessary b. Close the joint to as tight as practicable c. Open the joint to a maximum of 3/16 inch except in cases involving either shapes or plates 3 inch or greater in thickness d. a or b 25. What is the maximum time an E7018R electrode may be exposed to the atmosphere if established by testing? a. ½ hour b. 1 hour c. 2 hours d. 4 hours e. 9 hours f. 10 hours 26. Is caulking allowed on V-groove welds on a base metal with 70,000 psi yield strength? a. Yes
- 8. b. No 27. What does AWS D1.1 say about interpass weld cleaning? a. Nothing, AWS D1.1 covers welding, not cleaning b. Interpass cleaning must be done using a needle descaler or a hand chipping hammer and a power brush c. Slag shall be removed from the weld crater before resuming welding after any interruption d. b and c above e. None of the above 28. What is the minimum preheat temperature for welding 1 inch thick ASTM A36 plate with an E7018 electrode? a. 0o F b. 32o F c. 50o F d. 70o F e. 150o F f. 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 inch b. 3/16 inch c. ¼ inch d. 5/16 inch e. 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 inch b. 5/16 inch c. 3/8 inch d. ½ inch e. None of the above 31. Individuals performing nondestructive testing (other than visual) shall be qualified in accordance with: a. AWS QC-1 requirements b. AWS QC-5 requirements c. SNT-TC-1A requirements d. Both a and b above e. 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. 0o F b. 32o F c. 50o F d. 70o F e. 150o F f. 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 reweld b. Grind to determine depth and reweld if deeper then 1/8 inch c. Grind to determine depth and reweld d. Inspect with ultrasonic testing and remove and reweld if deeper than 1/8 inch e. None, need not be explored 34. Welding shall not be done when the ambient temperature is: a. less than 0o F b. 32o F c. Minimum temperature depends on the metal type, thickness, and electrode type
- 9. d. 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 inch b. 3/16 inch c. ¼ inch d. 5/16 inch e. 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 inch b. 0 - 3/16 inch c. 0 - ¼ inch d. 1/16 - 3/16 inch e. 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 inch b. ¼ to 5/16 inch c. ¼ inch maximum d. Not limited e. 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 A5.17 b. AWS A5.23 c. AWS A5.18 d. AWS A5.20 e. 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 inch b. Far vision acuity of 20/40, or better. c. All the above d. None of the above 40. What is the specification of a suitable FCAW filler material for joining ASTM A516 Grade 55 steel? a. AWS A5.17 b. AWS A5.23 c. AWS A5.18 d. AWS A5.20 e. None of the above 41. Tack welds shall be subjected to the same quality requirements as the final weld except: a. Cracks are acceptable b. Undercut is permissible c. Preheat is required d. Undercut is permissible prior to the final SAW e. Porosity is permissible
- 10. 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 hours b. 4 hours c. 10 hours d. 20 hours e. 40 hours f. None of the above 43. A welder qualified to weld with the FCAW process is also qualified to weld using: a. SMAW b. GMAW c. SAW d. ESW e. None of the above 44. For prequalified joint B-U2-GF, the maximum root opening as fit-up is: a. 0 - 1/8 inch b. 0 - 3/16 inch c. 1/16 - ¼ inch d. Not limited e. 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 inch b. 1/16 inch c. 1/8 inch d. 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. 1G b. 2G c. 5G d. 6G 48. The groove welding position where the inclination of axis is 35 degrees and the rotation of face is 200 degrees is: a. Flat b. Horizontal c. Vertical d. Overhead 49. When rounding the corners of the finished bend test specimen, the maximum allowable radius is : a. None b. 1/16 inch c. 3/32 inch d. 1/8 inch e. Dependent on the thickness of the bend test coupon
- 11. 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 inch b. 3/16 inch c. 5/16 inch d. 3/8 inch e. 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 inch b. 3/16 inch c. 5/16 inch d. 3/8 inch e. 7/16 inch 52. What is the proper width of a root bend test coupon from a 6 inch, Schedule 40 pipe? a. 1 inch b. 1 ½ inch c. 1 ¾ inch d. 2 inch e. 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 inch b. 1-½ inch c. 1-¾ inch d. 2 inch e. None of the above 54. Steel backing for welds in statically loaded structures: a. Need not be welded full length or removed b. Need not be welded full length or removed unless specified by the Engineer c. Shall be removed prior to inspection d. Shall be welded full length, need not be removed 55. May structural welds be peened? a. Yes b. No c. 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. Yes b. 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 inch b. Up to 1/16 inch if no more than 2 inch length in any 12 inch for metals less than 1 inch thick c. No more than 1/16 inch for metals more than 1 inch thick d. Combination of a, b, and c, above e. 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 thick b. When radiographing butt welds less than ½ inch thickness c. When radiographing butt welds greater than ½ inch thickness d. When radiographing butt welds 1 in or greater in thickness
- 12. 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 equipment b. Alternative head configurations shall be permitted with proof of mechanical testing c. 5/16 inch diameter studs d. All the above e. 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 allowed b. 5% of base metal thickness c. 1/32 inch d. 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 metal b. 5% of base metal thickness c. 1/32 inch d. 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 allowed b. 1/32 inch c. 1/16 inch d. 3/32 inch e. 1/8 inch f. None of the above 63. How long does welder certification last per AWS D1.1? a. 3 Months b. 6 Months c. 1 Year d. 2 Years e. Indefinitely f. 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 prequalified b. Yes, GMAW-S is a code approved process and is therefore a prequalified process c. No, under no circumstances can the short circuiting GMAW process be used on structural steel under AWS D1.1 d. 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 manufacturer b. The manufacturer or contractor c. The manufacturer, contractor, or an independent testing agency d. 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 machine b. 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 employer e. None of the above
- 13. 67. How much melt-through is allowed on T, K, or Y connections on procedure qualification tests? a. None b. 1/32 inch c. 1/16 inch d. 1/8 inch e. 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 V b. F, H, V, and OH c. H, V, and OH d. All positions 69. If a welding operator qualifies in the 2G position, what groove weld positions is that welding operator qualified for? a. 2G plate b. 1G pipe over 24 inches diameter c. 1F plate d. 2F pipe over 24 inches diameter e. 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. F b. F, H, and OH c. F, H, V, and OH d. H and OH only e. 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 inch b. ¾ inch c. Unlimited d. 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. No b. 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 800o F b. 1 hour at 700o to 800o F c. No baking required if furnished in an hermetically sealed container that is undamaged 74. Is peening allowed on fillet welds? a. Yes b. No c. Yes, but only on the root and cover pass d. Yes, but only on intermediate layers 75. Can a radiographic examination be substituted for bend testing on a welder qualification test? a. Yes b. Yes, except for GMAW c. Yes, except for GMAW-S d. No
- 14. Part 2 Practice Examination for D1.1 Structural Welding Code Steel 2002
- 16. 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) 20 b) 25 c) 30 d) 35 e) 40 2. Which of the following SMAW electrodes is not included in the F2 group? a) E6012 b) E6010 c) E6013 d) E6014 e) 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 permitted 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 non-tubular members, what maximum length of 1/16 inch deep undercut is allowed in any 12 inch length of weld? a) 1 inch b) 1-1/2 inches c) 2 inches d) 2-1/2 inches e) 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 pipe b) F, H, V, OH fillets on plate c) F, V, OH fillets and grooves on plate d) F, H, V, OH fillets and grooves on plate e) none of the above 6. Which groove weld position has a 10o inclination of axis and a 90o rotation of face? a) flat b) horizontal c) vertical d) overhead e) 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 inch c) 1/8 inch d) 3/16 inch
- 17. e) none of the above 8. Individuals performing nondestructive testing other than visual shall be qualified in accordance with: a) AWS D1.1 b) API 1104 c) ASME Section IX d) ASME Section V e) 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) none b) 150o F c) 70o F d) 225o F e) 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 used b) a change from a single shielding gas to a mixture of gases c) a change of 5% above the mean amperage for each filler metal diameter used d) a change in the position of welding e) 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 angle b) an increase in the groove angle c) a decrease in the root opening of the groove d) an increase in the root face of the groove e) 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 fillets b) flat grooves and fillets c) flat and horizontal grooves d) flat, horizontal, and vertical fillets e) 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 reweld b) grind to determine depth and reweld if deeper than 1/8 inch c) grind to determine depth and reweld d) inspect with ultrasonic testing, remove and reweld if deeper than 1 /8 inch e) none; need not be explored 14. Welding shall not be done when the ambient temperature is: a) less than –20o F b) less than 32o F c) less than 0o C d) less than 0o F e) 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 inch b) 0 - 3/16 inch c) 0 - 1/4 inch d) 1/16 - l/8 inch
- 18. e) 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 inch b) 1/4 inch maximum c) 1/2 inch maximum d) 9/16 inch maximum e) 5/8 inch maximum 17. What is the specification of a suitable FCAW filler metal for joining ASTM A516, Grade 55? a) AWS A5.17 b) AWS A5.23 c) AWS A5.18 d) AWS A5.20 e) 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 inch b) 1/8 inch c) 5/32 inch d) 3/16 inch e) 7/32 inch 19. Which of the following processes is not considered prequalified? a) SMAW b) FCAW c) GMAW (short circuiting transfer) d) SAW e) 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 inch b) 3/16 inch c) 1/8 inch d) 1/16 inch e) none of the above 21. For GMAW and FCAW, the shielding gases used must exhibit a dew point of: a) - 40o F or lower b) - 40o C or lower c) - 20o F or lower d) a and b above e) 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 inch b) 3/4 inch c) 1 inch d) 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 inch b) 3/32 inch c) 1/8 inch d) 5/32 inch
- 19. e) 3/16 inch 24. What is the maximum root opening for welder qualification testing on CJP tubular butt joints without backing? a) no limit b) 1/16 inch c) 1/8 inch d) 3/32 inch e) 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 inch b) (+) or (-) 3/8 inch c) (+) or (-) 1/2 inch d) (+) or (-) 5/8 inch e) (+) or (-) 3/4 inch 26. Tack welds shall be subject to the same quality requirements as the final weld except: a) cracks are acceptable b) undercut is permissible c) preheat is always required d) undercut is permissible prior to final SAW e) 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 inch b) 2 inches c) 1-1/2 inches d) 2-1/2 inches e) 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 hour b) 2 hours c) 3 hours d) 4 hours e) 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 inch b) 3/8 inch c) 1/2 inch d) 1/4 inch e) none of the above 30. A welder who is successfully qualified to weld with the FCAW process is also qualified to weld using: a) SMAW b) GMAW c) SAW d) ESW e) none of the above
- 20. 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 F b) 150o F c) 225o F d) 300o F e) 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 inch b) 1/16 inch c) 3/32 inch d) 1/8 inch e) 3/16 inch 33. Who is responsible for the qualification of welding procedures? a) welder b) independent test lab c) quality control manager d) manufacturer or contractor e) 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 bends b) 2 tensiles, 1 face bend, 1 root bend c) 2 tensiles, 4 side bends d) 2 tensiles, 2 face bends, 2 root bends e) 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 inch b) 1/4 inch c) 3/16 inch d) 5/16 inch e) 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 limit b) 3/16 to unlimited c) 1/8 to 3/4 inch d) 0 to 2T e) none of the above 37. Which of the following methods cannot be used to remove unacceptable work on quenched and tempered steels? a) oxygen gouging b) machining c) chipping d) grinding e) c and d
- 21. 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 inch b) 3/8 inch c) 5/16 inch d) 1/4 inch e) 1/2 inch 39. How must a crack be corrected? a) remove and reweld b) grind and reweld c) remove crack and sound metal 2 inches beyond each end of the crack and reweld d) reweld with deep penetrating process to assure complete fusion of crack e) 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) unlimited b) 1 inch c) 1/2 inch d) 1/8 inch e) 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 removed b) cleaned thoroughly of all foreign matter including paint for a distance of 1 inch from each side of the welds c) cleaned thoroughly of all foreign matter including paint for a distance of 2 inches from the root of the weld d) inspected by dye penetrant prior to welding e) 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 inch b) 3/16 inch c) 1/4 inch d) 5/16 inch e) 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 inch b) 1/32 inch c) 0.0625 inch d) 1/8 inch e) 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 enough b) 4 hours c) 48 hours d) 10 hours e) not specified 45. All welds are to be inspected by which of the following nondestructive methods? a) MT b) VT c) PT d) UT e) paint film thickness measurement
- 22. 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 inch b) 1/8 inch c) 5/32 inch d) 3/16 inch e) 7/32 inch