1|Page
2025/2026 CWB LEVEL 2 EXAM BANK CURRENTLY
COMPLETE TESTING QUESTIONS AND DETAILED
CORRECT ANSWERS (VERIFIED) FOR
GUARANTEED PASS TOP-RATED A+.
CWB
Excel in your CWB Level 2 certification exam with this targeted
guide, designed to master advanced welding inspection codes,
procedures, and practical applications. This resource efficiently
prepares you with high-yield practice questions and detailed
explanations that reflect the rigorous standards of the Canadian
Welding Bureau. Achieve your professional certification with
confidence, fully equipped to demonstrate your expertise and advance
your career.
1.To measure the strength of a welded joint what mechanical
test would you prescribe?
a) A transverse weld tension test
b) A charpy test.
c) A CTOD test.
d) An all weld metal tension test. e) A side bend test. ......
ANSWER ....... a) A transverse weld tension test
2. Select the cutting process that would provide the narrowest
heat affected zone when cutting 12.5 mm (0.5 in) thick
carbon steel.
a) Oxy-acetylene cutting.
,2|Page
b) Air-carbon arc cutting.
c) Oxy-propane cutting.
d) Plasma arc cutting.
e) Laser beam cutting ...... ANSWER ....... e) Laser
beam cutting
3. Which of the following refers to a welder test where a pipe
assembly is placed vertically and the joint welded in the
horizontal position without rotating the assembly?
a) 1G
b) 2G
c) 3G
d) 5G
e) 6G ...... ANSWER ....... b) 2G
4. Which of the following imperfections is normally
considered as unacceptable regardless of size or location?
a) Porosity.
b) Crack.
c) Inadequate penetration.
d) Lamination.
e) Burn-through. ...... ANSWER ....... b) Crack.
,3|Page
5. Select the correct penetrameter thickness for 2% sensitivity
when radiographing a weldment 1 .25 inches in thickness.
a) 0.012 in.
b) 0.015 in.
c) 0.025 in
d) 0.030 in. ...... ANSWER ....... c) 0.025 in
6. Which of the following statements concerning porosity is
true?
a) Porosity cannot be trapped within a weld.
b) Porosity moves up through later passes and will show only
in a final pass.
c) Porosity is restricted to the centre line of a weld.
d) Porosity can result from faulty welder technique.
e) Porosity can be dissipated by an appropriate heat
treatment. ...... ANSWER ....... d) Porosity can result
from faulty welder technique.
7. An irregular, dense white spot is seen on the radiograph of
a weld. Assuming it was caused by the welding process used,
which one of the processes below would be responsible?
a) SMAW process.
, 4|Page
b) GTAW process.
c) GMAW process.
d) ST process.
e) ESW process. ...... ANSWER ....... b) GTAW
process.
8. Which of the following operations is known to result in the
emission of ionizing radiation at levels dangerous to human
health?
A) shield metal arc welding.
B) Plasma arc welding.
C) Operation of high voltage portable generator sets.
d) Radiographic inspection.
e) Electroslag and electrogas welding. ...... ANSWER
....... d) Radiographic inspection.
9. The ultrasonic transducer is pressed against the plate of a
welded joint. The sound travels
longitudinally through the plate to the opposite side. The
signal seen on the UT screen that comes from this opposite
side of the plate:
a) Is the initial pulse signal.
b) Is the back reflection signal.
2025/2026 CWB LEVEL 2 EXAM BANK CURRENTLY
COMPLETE TESTING QUESTIONS AND DETAILED
CORRECT ANSWERS (VERIFIED) FOR
GUARANTEED PASS TOP-RATED A+.
CWB
Excel in your CWB Level 2 certification exam with this targeted
guide, designed to master advanced welding inspection codes,
procedures, and practical applications. This resource efficiently
prepares you with high-yield practice questions and detailed
explanations that reflect the rigorous standards of the Canadian
Welding Bureau. Achieve your professional certification with
confidence, fully equipped to demonstrate your expertise and advance
your career.
1.To measure the strength of a welded joint what mechanical
test would you prescribe?
a) A transverse weld tension test
b) A charpy test.
c) A CTOD test.
d) An all weld metal tension test. e) A side bend test. ......
ANSWER ....... a) A transverse weld tension test
2. Select the cutting process that would provide the narrowest
heat affected zone when cutting 12.5 mm (0.5 in) thick
carbon steel.
a) Oxy-acetylene cutting.
,2|Page
b) Air-carbon arc cutting.
c) Oxy-propane cutting.
d) Plasma arc cutting.
e) Laser beam cutting ...... ANSWER ....... e) Laser
beam cutting
3. Which of the following refers to a welder test where a pipe
assembly is placed vertically and the joint welded in the
horizontal position without rotating the assembly?
a) 1G
b) 2G
c) 3G
d) 5G
e) 6G ...... ANSWER ....... b) 2G
4. Which of the following imperfections is normally
considered as unacceptable regardless of size or location?
a) Porosity.
b) Crack.
c) Inadequate penetration.
d) Lamination.
e) Burn-through. ...... ANSWER ....... b) Crack.
,3|Page
5. Select the correct penetrameter thickness for 2% sensitivity
when radiographing a weldment 1 .25 inches in thickness.
a) 0.012 in.
b) 0.015 in.
c) 0.025 in
d) 0.030 in. ...... ANSWER ....... c) 0.025 in
6. Which of the following statements concerning porosity is
true?
a) Porosity cannot be trapped within a weld.
b) Porosity moves up through later passes and will show only
in a final pass.
c) Porosity is restricted to the centre line of a weld.
d) Porosity can result from faulty welder technique.
e) Porosity can be dissipated by an appropriate heat
treatment. ...... ANSWER ....... d) Porosity can result
from faulty welder technique.
7. An irregular, dense white spot is seen on the radiograph of
a weld. Assuming it was caused by the welding process used,
which one of the processes below would be responsible?
a) SMAW process.
, 4|Page
b) GTAW process.
c) GMAW process.
d) ST process.
e) ESW process. ...... ANSWER ....... b) GTAW
process.
8. Which of the following operations is known to result in the
emission of ionizing radiation at levels dangerous to human
health?
A) shield metal arc welding.
B) Plasma arc welding.
C) Operation of high voltage portable generator sets.
d) Radiographic inspection.
e) Electroslag and electrogas welding. ...... ANSWER
....... d) Radiographic inspection.
9. The ultrasonic transducer is pressed against the plate of a
welded joint. The sound travels
longitudinally through the plate to the opposite side. The
signal seen on the UT screen that comes from this opposite
side of the plate:
a) Is the initial pulse signal.
b) Is the back reflection signal.
