CWB Welding Inspector Exam Questions With
Correct Answers 2025 Newest Version
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Terms in this set (115)
1.To measure the strength a) A transverse weld tension test
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.
2. Select the cutting e) Laser beam 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.
b) Air-carbon arc cutting.
c) Oxy-propane cutting.
d) Plasma arc cutting.
e) Laser beam cutting
,3. Which of the following b) 2G
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
4. Which of the following b) Crack.
imperfections is normally
considered as
unacceptable regardless
of size or location?
a) Porosity.
b) Crack.
c) Inadequate
penetration.
d) Lamination.
e) Burn-through.
5. Select the correct c) 0.025 in
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.
,6. Which of the following d) Porosity can result from faulty welder technique.
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.
7. An irregular, dense b) GTAW process.
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.
b) GTAW process.
c) GMAW process.
d) ST process.
e) ESW process.
, 8. Which of the following d) Radiographic inspection.
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.
9. The ultrasonic b) Is the back reflection signal.
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.
c) Is the front reflection
signal.
d) Must be equal in
amplitude to any defect
signal.
e) Cannot be used for
establishing the thickness
of the material under test.
Correct Answers 2025 Newest Version
Save
Terms in this set (115)
1.To measure the strength a) A transverse weld tension test
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.
2. Select the cutting e) Laser beam 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.
b) Air-carbon arc cutting.
c) Oxy-propane cutting.
d) Plasma arc cutting.
e) Laser beam cutting
,3. Which of the following b) 2G
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
4. Which of the following b) Crack.
imperfections is normally
considered as
unacceptable regardless
of size or location?
a) Porosity.
b) Crack.
c) Inadequate
penetration.
d) Lamination.
e) Burn-through.
5. Select the correct c) 0.025 in
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.
,6. Which of the following d) Porosity can result from faulty welder technique.
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.
7. An irregular, dense b) GTAW process.
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.
b) GTAW process.
c) GMAW process.
d) ST process.
e) ESW process.
, 8. Which of the following d) Radiographic inspection.
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.
9. The ultrasonic b) Is the back reflection signal.
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.
c) Is the front reflection
signal.
d) Must be equal in
amplitude to any defect
signal.
e) Cannot be used for
establishing the thickness
of the material under test.
