CWB 1 EXAM STUDY GUIDE / ACTUAL QUESTIONS
AND ANSWERS (A+ GUIDE SOLUTION)
Terms in this set (114)
1. Which is not a b) Blasting with shot or dull sand.
recommended method for
surface cleaning of a part for
liquid penetrant
examination?
a) Cleaning with
organicsolvents.
b) Blasting with shot
ordull sand.
c) Cleaning with de-
greasers.
d) Use of de-
scalingsolutions.
e) Ultrasonic
cleaningmethods.
2. Which of the following d) Cracking.
weld defects is most likely to
be missed by radiography in
a weld:
a) Undercutting.
b) Porosity.
c) Slag inclusions.
d) Cracking.
e) Burn through .
,3. In the choices given below, c) Ability of the material to withstand repeated fluctuating
metallographic tests would loads.
be the least informative with
regard to the:
a) Presence of the non-
metallic inclusions.
b) Grain structure in
theweld and fusion zone.
c) Ability of the material
towithstand repeated
fluctuating loads.
d) Extent and structure
ofthe heat affected zone.
e) Number of weld
passes.
e) 300 cm.
4. In producing a drawing for
a scale of 1:50, what would
be the distance represented
by a distance on the drawing
of 6 em? a) 12 cm.
b) 30 cm.
c) 50 cm.
d) 240 cm.
e) 300 cm.
5. The mechanical test d) An impact test specimen.
used to determine the
ability of a material to
resist failure by brittle
fracture requires the
use of:
a) A tensile test
specimen.
b) A bend test
specimen.
,c) A compression
testspecimen.
d) An impact
testspecimen.
e) A spectrographic test.
6. The cooling rate of aTjoint b) Greater than that in a butt joint.
is:
a) Less than that in a
buttjoint.
b) Greater than that in
abutt joint.
c) Greater than that in
abutt joint only where the
carbon equivalent is high . d)
Greater at the midsection
than at the start. e) Greater
at the midsection than at the
finish.
7. What are slag and d) Inadequate interpass cleaning.
nonmetallic inclusions
usually caused by?
a) Moisture in the
weldjoint.
b) High welding current.
c) Loss of shielding gas.
d) Inadequate
interpasscleaning.
, 8. Where deviations from b) Obtain official approval for the changes.
the drawings are warranted
the inspector should do
which of the following?
a) Authorize approval
ofthe changes.
b) Obtain official
approvalfor the changes.
c) Reject the work
withoutany further
consideration. d) Stop the
work until drawing revisions
have been completed.
9. With the appropriate c) Flux cored arc welding process.
electrode, which of the
following welding
processes can operate
with or without a
shielding gas:
a) Electrogas
weldingprocess.
b) Gas metal arc
weldingprocess.
c) Flux cored arc
weldingprocess.
d) Submerged arc
weldingprocess.
e) Pulsed gas metal
arcwelding process.
AND ANSWERS (A+ GUIDE SOLUTION)
Terms in this set (114)
1. Which is not a b) Blasting with shot or dull sand.
recommended method for
surface cleaning of a part for
liquid penetrant
examination?
a) Cleaning with
organicsolvents.
b) Blasting with shot
ordull sand.
c) Cleaning with de-
greasers.
d) Use of de-
scalingsolutions.
e) Ultrasonic
cleaningmethods.
2. Which of the following d) Cracking.
weld defects is most likely to
be missed by radiography in
a weld:
a) Undercutting.
b) Porosity.
c) Slag inclusions.
d) Cracking.
e) Burn through .
,3. In the choices given below, c) Ability of the material to withstand repeated fluctuating
metallographic tests would loads.
be the least informative with
regard to the:
a) Presence of the non-
metallic inclusions.
b) Grain structure in
theweld and fusion zone.
c) Ability of the material
towithstand repeated
fluctuating loads.
d) Extent and structure
ofthe heat affected zone.
e) Number of weld
passes.
e) 300 cm.
4. In producing a drawing for
a scale of 1:50, what would
be the distance represented
by a distance on the drawing
of 6 em? a) 12 cm.
b) 30 cm.
c) 50 cm.
d) 240 cm.
e) 300 cm.
5. The mechanical test d) An impact test specimen.
used to determine the
ability of a material to
resist failure by brittle
fracture requires the
use of:
a) A tensile test
specimen.
b) A bend test
specimen.
,c) A compression
testspecimen.
d) An impact
testspecimen.
e) A spectrographic test.
6. The cooling rate of aTjoint b) Greater than that in a butt joint.
is:
a) Less than that in a
buttjoint.
b) Greater than that in
abutt joint.
c) Greater than that in
abutt joint only where the
carbon equivalent is high . d)
Greater at the midsection
than at the start. e) Greater
at the midsection than at the
finish.
7. What are slag and d) Inadequate interpass cleaning.
nonmetallic inclusions
usually caused by?
a) Moisture in the
weldjoint.
b) High welding current.
c) Loss of shielding gas.
d) Inadequate
interpasscleaning.
, 8. Where deviations from b) Obtain official approval for the changes.
the drawings are warranted
the inspector should do
which of the following?
a) Authorize approval
ofthe changes.
b) Obtain official
approvalfor the changes.
c) Reject the work
withoutany further
consideration. d) Stop the
work until drawing revisions
have been completed.
9. With the appropriate c) Flux cored arc welding process.
electrode, which of the
following welding
processes can operate
with or without a
shielding gas:
a) Electrogas
weldingprocess.
b) Gas metal arc
weldingprocess.
c) Flux cored arc
weldingprocess.
d) Submerged arc
weldingprocess.
e) Pulsed gas metal
arcwelding process.
