CWB Level 2 Exam Questions and Answers
(Verified Answers) Complete Latest Update!
Question 1
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
Question 2
For the liquid penetrant inspection method you would:
a) Apply a thick coat of developer over the penetrant on the weld surface in order to
develop the crack defects.
b) Apply a thin coat of developer over the penetrant on the weld surface in order to
develop the crack defects.
c) Apply a thin coat of penetrant over the developer for a period of time equal to one
half the required developer time.
d) Apply the magnetic particles before you applied the developer.
e) Apply a thin coat of developer over the clean surface of the weld after the dwell
time has elapsed and en excesses penetrant has been completely removed.
Correct Answer
e) Apply a thin coat of developer over the clean surface of the weld after the dwell
time has elapsed and en excesses penetrant has been completely removed.
Page 1 of 234
,Question 3
In the choices given below, metallographic tests would be the least informative with
regard to the: a) Presence of the non-metallic inclusions.
b Grain structure in the weld and fusion zone.
c) Ability of the material to withstand repeated fluctuating loads
d) Extent and structure of the heat affected zone.
e) Number of weld passes.
Correct Answer
c) Ability of the material to withstand repeated fluctuating loads
Question 4
From the choices below, which one is correct with regard to a qualification test on a
pipe assembly: a) Welded horizontally at the 3G position.
b) Welded vertically at the 2G position.
c) Welded in the 5G position at 45°.
d) Welded in the 6G position at 45°.
e) Welded in the 4G flat position.
Correct Answer
d) Welded in the 6G position at 45°.
Question 5
if there is inadequate penetration at the root of a double vee groove, which of the
following statements best defines the reason for this
a) Groove angle exceeds specified amount.
b) Root opening too large.
c) Groove depth too large causing melt through on the second side
d) Groove angle is too small
e) Excessive plate thickness.
Correct Answer
d) Groove angle is too small
Page 2 of 234
,Question 6
The liquid penetrant technique relies for its effectiveness upon the ability of liquid to
penetrate openings to the surface due to the phenomenon of:
a) Crack opening displacement.
b) Material and penetrant viscosity.
c) Capillary action
d) Liquid fluorescence.
e) Flux leakage.
Correct Answer
c) Capillary action
Question 7
What particular defect is associated with the SMAW process when the welder does
not carry out adequate interpass cleaning?
a) Longitudinal cracking.
b) Lack of fusion.
c) Elongated slag lines
d) Incomplete penetration.
Correct Answer
c) Elongated slag lines
Question 8
When the ultrasonic transducer or probe is in direct contact with the material under
test the ultrasonic method is
a) The shear wave method.
b) The longitudinal wave method.
c) The transverse wave method.
d) The angle beam technique.
e) Can be any of the above.
Correct Answer
e) Can be any of the above.
Page 3 of 234
, Question 9
Which of the following welding processes uses a non-consumable electrode?
a) GMAW.
b) GTAW.
c) SMAW.
d) FCAW.
e) ESW.
Correct Answer
b) GTAW.
Question 10
A tension test has been carried out on a weld test specimen. Before the tension test
the diameter was 0.505 in. At yield point the diameter was 0.375 in. What is the
percent difference?
a) 12.8%
b) 25.7%
c) 34.6%
d) 53.4%
e) 74.1%
Correct Answer
b) 25.7%
Question 11
You are on a job site where IR192 is being used to radiograph welds. Identify three
ways to protect yourself from the hazardous radiation emitted by the IR192
Correct Answer
Maintain a safe distance from the radiation source. Provide shielding. Use a
radiation alarm.
Page 4 of 234
(Verified Answers) Complete Latest Update!
Question 1
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
Question 2
For the liquid penetrant inspection method you would:
a) Apply a thick coat of developer over the penetrant on the weld surface in order to
develop the crack defects.
b) Apply a thin coat of developer over the penetrant on the weld surface in order to
develop the crack defects.
c) Apply a thin coat of penetrant over the developer for a period of time equal to one
half the required developer time.
d) Apply the magnetic particles before you applied the developer.
e) Apply a thin coat of developer over the clean surface of the weld after the dwell
time has elapsed and en excesses penetrant has been completely removed.
Correct Answer
e) Apply a thin coat of developer over the clean surface of the weld after the dwell
time has elapsed and en excesses penetrant has been completely removed.
Page 1 of 234
,Question 3
In the choices given below, metallographic tests would be the least informative with
regard to the: a) Presence of the non-metallic inclusions.
b Grain structure in the weld and fusion zone.
c) Ability of the material to withstand repeated fluctuating loads
d) Extent and structure of the heat affected zone.
e) Number of weld passes.
Correct Answer
c) Ability of the material to withstand repeated fluctuating loads
Question 4
From the choices below, which one is correct with regard to a qualification test on a
pipe assembly: a) Welded horizontally at the 3G position.
b) Welded vertically at the 2G position.
c) Welded in the 5G position at 45°.
d) Welded in the 6G position at 45°.
e) Welded in the 4G flat position.
Correct Answer
d) Welded in the 6G position at 45°.
Question 5
if there is inadequate penetration at the root of a double vee groove, which of the
following statements best defines the reason for this
a) Groove angle exceeds specified amount.
b) Root opening too large.
c) Groove depth too large causing melt through on the second side
d) Groove angle is too small
e) Excessive plate thickness.
Correct Answer
d) Groove angle is too small
Page 2 of 234
,Question 6
The liquid penetrant technique relies for its effectiveness upon the ability of liquid to
penetrate openings to the surface due to the phenomenon of:
a) Crack opening displacement.
b) Material and penetrant viscosity.
c) Capillary action
d) Liquid fluorescence.
e) Flux leakage.
Correct Answer
c) Capillary action
Question 7
What particular defect is associated with the SMAW process when the welder does
not carry out adequate interpass cleaning?
a) Longitudinal cracking.
b) Lack of fusion.
c) Elongated slag lines
d) Incomplete penetration.
Correct Answer
c) Elongated slag lines
Question 8
When the ultrasonic transducer or probe is in direct contact with the material under
test the ultrasonic method is
a) The shear wave method.
b) The longitudinal wave method.
c) The transverse wave method.
d) The angle beam technique.
e) Can be any of the above.
Correct Answer
e) Can be any of the above.
Page 3 of 234
, Question 9
Which of the following welding processes uses a non-consumable electrode?
a) GMAW.
b) GTAW.
c) SMAW.
d) FCAW.
e) ESW.
Correct Answer
b) GTAW.
Question 10
A tension test has been carried out on a weld test specimen. Before the tension test
the diameter was 0.505 in. At yield point the diameter was 0.375 in. What is the
percent difference?
a) 12.8%
b) 25.7%
c) 34.6%
d) 53.4%
e) 74.1%
Correct Answer
b) 25.7%
Question 11
You are on a job site where IR192 is being used to radiograph welds. Identify three
ways to protect yourself from the hazardous radiation emitted by the IR192
Correct Answer
Maintain a safe distance from the radiation source. Provide shielding. Use a
radiation alarm.
Page 4 of 234
