CWB Level 2 Closed Book Exam (Latest 2026/2027 Update) Questions with 100% Verified Answers | Canadian Welding Bureau Inspector Certification| Graded A+

CWB Level 2 Closed Book Exam (Latest
2026/2027 Update) Questions with 100%
Verified Answers | Canadian Welding
Bureau Inspector Certification| Graded A+
Question:
Which of the following refers to a welder test where a pipe assembly is
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placed vertically and the joint welded in the horizontal position without
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rotating the assembly? i,- i,-




a) 1G
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b) 2G
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c) 3G
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d) 5G
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e) 6G?
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Answer:

b) 2G
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Question:

Which of the following imperfections is normally considered as
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unacceptable regardless of size or location?
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,a) Porosity.
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b) Crack.
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c) Inadequate penetration.
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d) Lamination.
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e) Burn-through.?
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Answer:

b) Crack.
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Question:
Select the correct penetrameter thickness for 2% sensitivity when
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radiographing a weldment 1.25 inches in thickness.
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a) 0.012 in.
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b) 0.015 in.
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c) 0.025 in.
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d) 0.030 in.?
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Answer:

c) 0.025 in.
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Question:
Which of the following statements concerning porosity is true?
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,a) Porosity cannot be trapped within a weld.
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b) Porosity moves up through later passes and will show only in a final
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pass. i,-




c) Porosity is restricted to the centre line of a weld.
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d) Porosity can result from faulty welder technique.
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e) Porosity can be dissipated by an appropriate heat treatment.?
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Answer:

d) Porosity can result from faulty welder technique.
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Question:
An irregular, dense white spot is seen on the radiograph of a weld.
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Assuming it was caused by the welding process used, which one of the
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processes below would be responsible?
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a) SMAW process.
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b) GTAW process.
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c) GMAW process.
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d) ST process.
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e) ESW process.?
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Answer:

b) GTAW process.
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, Question:

Which of the following operations is known to result in the emission of
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ionizing radiation at levels dangerous to human health?
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a) Shielded metal arc welding.
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b) Plasma arc welding.
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c) Operation of high voltage portable generator sets.
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d) Radiographic inspection.
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e) Electroslag and electrogas welding.?
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Answer:
d) Radiographic inspection.
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Question:

To measure the strength of a welded joint what mechanical test would
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you prescribe?
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a) A transverse weld tension test.
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b) A charpy test.
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c) A CTOD test.
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d) An all weld metal tension test.
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e) A side bend test.?
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Answer: