CWB WELDING INSPECTOR LEVEL 3
COMPREHENSIVE STUDY GUIDE 2026
FULL QUESTIONS AND SOLUTIONS
GUARANTEED PASS
◉ Procedures are not absolutely necessary to control the welding
operations and quality of the structure. (True/False) Answer: FALSE
◉ It is essential that the inspector _____________ when applying visual
or other inspection procedures and when assessing the acceptability of
welding.
A) make decisions in favour of the fabricator
B) make decisions in favour of the owner
C) bases decisions on the strictest standards possible
D) be fair and endeavour to exercise sound judgement Answer: D
◉ Radiation energy from X-ray and gamma radiation sources:
A) can be felt but not seen, smelled or tasted.
B) cannot be felt, seen, smelled or tasted.
C) can be smelled but not felt, seen or tasted.
D) can be seen in low light conditions but not felt, smelled or tasted.
Answer: B
, ◉ When a weld has internal discontinuities such as slag or gas holes and
radiography is being used as the non-destructive test method,
___________ will reach the film under these areas compared to an
adjacent area which has no discontinuities.
A) more radiation
B) less radiation
C) a similar amount of radiation
D) no radiation Answer: B
◉ When would the "pitch and catch" technique be employed in
ultrasonic testing?
A) When the weld joint configuration cannot allow the ultrasonic beam
to interact with areas of interest at 90°
B) When the welded connection is not readily accessible due to limited
access
C) When the base metals are of a denser material, not allowing for sound
wave penetration
D) When one welded connection is being inspected by more than one
ultrasonic inspector Answer: A
◉ It is the inspectors responsibility to judge the acceptability of repaired
welds. (True/False) Answer: TRUE
◉ Visual welding inspection:
A) is effective before, during, and after the welding operation.
COMPREHENSIVE STUDY GUIDE 2026
FULL QUESTIONS AND SOLUTIONS
GUARANTEED PASS
◉ Procedures are not absolutely necessary to control the welding
operations and quality of the structure. (True/False) Answer: FALSE
◉ It is essential that the inspector _____________ when applying visual
or other inspection procedures and when assessing the acceptability of
welding.
A) make decisions in favour of the fabricator
B) make decisions in favour of the owner
C) bases decisions on the strictest standards possible
D) be fair and endeavour to exercise sound judgement Answer: D
◉ Radiation energy from X-ray and gamma radiation sources:
A) can be felt but not seen, smelled or tasted.
B) cannot be felt, seen, smelled or tasted.
C) can be smelled but not felt, seen or tasted.
D) can be seen in low light conditions but not felt, smelled or tasted.
Answer: B
, ◉ When a weld has internal discontinuities such as slag or gas holes and
radiography is being used as the non-destructive test method,
___________ will reach the film under these areas compared to an
adjacent area which has no discontinuities.
A) more radiation
B) less radiation
C) a similar amount of radiation
D) no radiation Answer: B
◉ When would the "pitch and catch" technique be employed in
ultrasonic testing?
A) When the weld joint configuration cannot allow the ultrasonic beam
to interact with areas of interest at 90°
B) When the welded connection is not readily accessible due to limited
access
C) When the base metals are of a denser material, not allowing for sound
wave penetration
D) When one welded connection is being inspected by more than one
ultrasonic inspector Answer: A
◉ It is the inspectors responsibility to judge the acceptability of repaired
welds. (True/False) Answer: TRUE
◉ Visual welding inspection:
A) is effective before, during, and after the welding operation.
