CWB Level 2 Closed Book EXAM 2023 with all the correct answers(Actual test 100% verified)
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Course
CWB Level 2
Institution
CWB Level 2
CWB Level 2 Closed Book EXAM 2023
with all the correct answers(Actual test
100% verified)
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 si...
CWB Level 2 Closed Book EXAM 2023
with all the correct answers(Actual test
100% verified)
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. - CORRECT ANSWER a) A transverse weld
tension test.
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.
b) Air-carbon arc cutting.
c) Oxy-propane cutting.
d) Plasma arc cutting.
e) Laser beam cutting - CORRECT ANSWER e) Laser beam cutting
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 - CORRECT ANSWER b) 2G
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. - CORRECT ANSWER b) Crack.
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. - CORRECT ANSWER c) 0.025 in.
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. -
CORRECT ANSWER d) Porosity can result from faulty welder
technique.
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.
b) GTAW process.
c) GMAW process.
d) ST process.
e) ESW process. - CORRECT ANSWER b) GTAW process.
Which of the following operations is known to result in the emission
of ionizing radiation at levels dangerous to human health?
a) Shielded metal arc welding.
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