CWB LEVEL 1 COMPREHENSIVE EXAM UPDATED
QUESTIONS AND ANSWERS GRADED A+
✔✔11. 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. - ✔✔c)
Applying magnetic particles to the weld while the current is flowing in the yoke.
✔✔12. 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. - ✔✔a) Insufficient throat.
✔✔13. 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. - ✔✔c) Leg size of 1 0 mm.
✔✔14. 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. - ✔✔e) SW.
✔✔15. 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. - ✔✔c) Penetrant dwell time
,✔✔16. Which of the following welding processes uses a non-consumable electrode?
a) GMAW.
b) GTAW.
c) SMAW.
d) FCAW.
e) ESW. - ✔✔b) GTAW.
✔✔17. 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. -
✔✔a) Assess weld quality.
✔✔18. 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. - ✔✔b) A post weld stress
relief heat treatment requires a lower temperature than an annealing
treatment.
✔✔19. 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. - ✔✔e) It depends on all four (4) items
listed here.
✔✔20. 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. - ✔✔b) Is
the back reflection signal
✔✔21 . Constant potential power sources with the slope control are used for which type
of mode of transfer?
a) Globular transfer.
b) Spray transfer.
c) Pulsed current transfer.
d) Short circuit transfer.
e) Axial spray transfer. - ✔✔d) Short circuit transfer.
✔✔22. 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. - ✔✔c) Capillary action .
✔✔23. The electrode used in flux cored arc welding is a:
a) Hollow tubular wire containing an inner metal wire.
b) Tubular wire containing flux or other ingredients.
c) Solid wire with an oxide/flux coating.
d) Hand held rod with flux in the core - ✔✔b) Tubular wire containing flux or other
ingredients.
✔✔24. In magnetic particle inspection flux density is:
Welding Fundamentals, Welding Inspection
Exam Version E/2010-2
a) Of little significance insofar as surface crack detection is concerned.
b) The strength of the magnetizing current.
c) The strength of the magnetic field.
d) Effective only when examining a weld for subsurface defects.
e) The ease with which a ferromagnetic material can be magnetized. - ✔✔c) The
strength of the magnetic field.
✔✔25. What is an important feature of a tungsten electrode?
a) It has a low melting point.
b) It has the ability to penetrate deeply.
c) It has a high melting point.
d) It has stabilizers in its core.
e) It is triple deoxidized. - ✔✔c) It has a high melting point.
QUESTIONS AND ANSWERS GRADED A+
✔✔11. 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. - ✔✔c)
Applying magnetic particles to the weld while the current is flowing in the yoke.
✔✔12. 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. - ✔✔a) Insufficient throat.
✔✔13. 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. - ✔✔c) Leg size of 1 0 mm.
✔✔14. 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. - ✔✔e) SW.
✔✔15. 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. - ✔✔c) Penetrant dwell time
,✔✔16. Which of the following welding processes uses a non-consumable electrode?
a) GMAW.
b) GTAW.
c) SMAW.
d) FCAW.
e) ESW. - ✔✔b) GTAW.
✔✔17. 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. -
✔✔a) Assess weld quality.
✔✔18. 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. - ✔✔b) A post weld stress
relief heat treatment requires a lower temperature than an annealing
treatment.
✔✔19. 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. - ✔✔e) It depends on all four (4) items
listed here.
✔✔20. 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. - ✔✔b) Is
the back reflection signal
✔✔21 . Constant potential power sources with the slope control are used for which type
of mode of transfer?
a) Globular transfer.
b) Spray transfer.
c) Pulsed current transfer.
d) Short circuit transfer.
e) Axial spray transfer. - ✔✔d) Short circuit transfer.
✔✔22. 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. - ✔✔c) Capillary action .
✔✔23. The electrode used in flux cored arc welding is a:
a) Hollow tubular wire containing an inner metal wire.
b) Tubular wire containing flux or other ingredients.
c) Solid wire with an oxide/flux coating.
d) Hand held rod with flux in the core - ✔✔b) Tubular wire containing flux or other
ingredients.
✔✔24. In magnetic particle inspection flux density is:
Welding Fundamentals, Welding Inspection
Exam Version E/2010-2
a) Of little significance insofar as surface crack detection is concerned.
b) The strength of the magnetizing current.
c) The strength of the magnetic field.
d) Effective only when examining a weld for subsurface defects.
e) The ease with which a ferromagnetic material can be magnetized. - ✔✔c) The
strength of the magnetic field.
✔✔25. What is an important feature of a tungsten electrode?
a) It has a low melting point.
b) It has the ability to penetrate deeply.
c) It has a high melting point.
d) It has stabilizers in its core.
e) It is triple deoxidized. - ✔✔c) It has a high melting point.
