CWB LEVEL 1 EXAM
1. The continuous method of magnetic particle inspection means:
a) Carrying out all the steps in the process without pause.
b) Using DC current.
c) Applying magnetic particles to the weld while the current is
flowing in the yoke.
d) Applying magnetic particle to the test surface while current flows
from one leg of the yoke
through the material to the other leg of the yoke.
e) Precautions must be taken to prevent over-magnetization of the
material. - ANSWERS-c) Applying magnetic particles to the weld
while the current is flowing in the yoke.
2. From the welding problems identified below which one of the five
does not fit the pattern established
by the other four?
a) Insufficient throat.
b) Incorrect bevel angle.
c) Loss of shielding gas.
d) Improper fit up.
e) Use of wrong consumable. - ANSWERS-a) Insufficient throat.
3. A 10 mm fillet weld has a nominal:
a) Throat dimension of 10 mm.
,b) Area of 10 sq. mm.
c) Leg size of 1 0 mm.
d) Face width of 10 mm. - ANSWERS-c) Leg size of 1 0 mm.
4. Which welding process has an arc drawn between the workpiece
and the member being welded to
it? 0
a) SAW.
b) CAW-G.
c) PAW.
d) EGW.
e) SW. - ANSWERS-e) SW.
5. When performing liquid penetrant examination, excess penetrant
removal comes after which one of
the following penetrant steps:
a) Application of developer.
b) Application of penetrant
c) Penetrant dwell time.
d) Final surface cleaning.
e) Drying of the material under test. - ANSWERS-c) Penetrant dwell
time
6. Which of the following welding processes uses a non-consumable
electrode?
,a) GMAW.
b) GTAW.
c) SMAW.
d) FCAW.
e) ESW. - ANSWERS-b) GTAW.
7. The primary use for radiographic and ultrasonic inspection of welds
during construction is to:
a) Assess weld quality.
b) Locate areas in procedure test specimens that are sound for
destructive testing.
c) Locate defective areas for cut-out.
d) Be used in conjunction with destructive test methods to inspect
production welds. - ANSWERS-a) Assess weld quality.
8. Which one of the following is a true statement?
a) A post weld stress relief heat treatment requires a higher
temperature than an annealing
treatment.
b) A post weld stress relief heat treatment requires a lower
temperature than an annealing
treatment.
c) Welded pipe assemblies must be heated all over for post weld heat
treatment.
d) Post weld heat treatment does not interact with cold-worked zones.
, e) Post weld heat treatment does not change the strength. -
ANSWERS-b) A post weld stress relief heat treatment requires a
lower temperature than an annealing
treatment.
9. When using the GMAW process, the type of transfer depends on
which of the following?
a) Shielding gas.
b) Current.
c) Electrode composition.
d) Electrode size.
e) It depends on all four (4) items listed here. - ANSWERS-e) It
depends on all four (4) items listed here.
10. 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.
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. - ANSWERS-b) Is the back reflection signal
1. The continuous method of magnetic particle inspection means:
a) Carrying out all the steps in the process without pause.
b) Using DC current.
c) Applying magnetic particles to the weld while the current is
flowing in the yoke.
d) Applying magnetic particle to the test surface while current flows
from one leg of the yoke
through the material to the other leg of the yoke.
e) Precautions must be taken to prevent over-magnetization of the
material. - ANSWERS-c) Applying magnetic particles to the weld
while the current is flowing in the yoke.
2. From the welding problems identified below which one of the five
does not fit the pattern established
by the other four?
a) Insufficient throat.
b) Incorrect bevel angle.
c) Loss of shielding gas.
d) Improper fit up.
e) Use of wrong consumable. - ANSWERS-a) Insufficient throat.
3. A 10 mm fillet weld has a nominal:
a) Throat dimension of 10 mm.
,b) Area of 10 sq. mm.
c) Leg size of 1 0 mm.
d) Face width of 10 mm. - ANSWERS-c) Leg size of 1 0 mm.
4. Which welding process has an arc drawn between the workpiece
and the member being welded to
it? 0
a) SAW.
b) CAW-G.
c) PAW.
d) EGW.
e) SW. - ANSWERS-e) SW.
5. When performing liquid penetrant examination, excess penetrant
removal comes after which one of
the following penetrant steps:
a) Application of developer.
b) Application of penetrant
c) Penetrant dwell time.
d) Final surface cleaning.
e) Drying of the material under test. - ANSWERS-c) Penetrant dwell
time
6. Which of the following welding processes uses a non-consumable
electrode?
,a) GMAW.
b) GTAW.
c) SMAW.
d) FCAW.
e) ESW. - ANSWERS-b) GTAW.
7. The primary use for radiographic and ultrasonic inspection of welds
during construction is to:
a) Assess weld quality.
b) Locate areas in procedure test specimens that are sound for
destructive testing.
c) Locate defective areas for cut-out.
d) Be used in conjunction with destructive test methods to inspect
production welds. - ANSWERS-a) Assess weld quality.
8. Which one of the following is a true statement?
a) A post weld stress relief heat treatment requires a higher
temperature than an annealing
treatment.
b) A post weld stress relief heat treatment requires a lower
temperature than an annealing
treatment.
c) Welded pipe assemblies must be heated all over for post weld heat
treatment.
d) Post weld heat treatment does not interact with cold-worked zones.
, e) Post weld heat treatment does not change the strength. -
ANSWERS-b) A post weld stress relief heat treatment requires a
lower temperature than an annealing
treatment.
9. When using the GMAW process, the type of transfer depends on
which of the following?
a) Shielding gas.
b) Current.
c) Electrode composition.
d) Electrode size.
e) It depends on all four (4) items listed here. - ANSWERS-e) It
depends on all four (4) items listed here.
10. 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.
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. - ANSWERS-b) Is the back reflection signal
