CWB EXAM NEWEST ACTUAL EXAM COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED
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1. Which is not a recommended method for surface
cleaning of a part for liquid penetrant examination?
a) Cleaning with organic solvents.
b) Blasting with shot or dull sand.
c) Cleaning with de-greasers.
d) Use of de-scaling solutions.
e) Ultrasonic cleaning methods. - Answer-b) Blasting with
shot or dull sand.
2. Which of the following 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 . - Answer-d) Cracking.
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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. - Answer-c) Ability of the
material to withstand repeated fluctuating loads.
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. - Answer-e) 300 cm.
5. The mechanical test used to determine the ability of a
material to resist failure by brittle fracture
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requires the use of:
a) A tensile test specimen.
b) A bend test specimen.
c) A compression test specimen.
d) An impact test specimen.
e) A spectrographic test. - Answer-d) An impact test
specimen.
6. The cooling rate of aT-joint is:
a) Less than that in a butt joint.
b) Greater than that in a butt joint.
c) Greater than that in a butt joint only where the carbon
equivalent is high .
d) Greater at the mid-section than at the start.
e) Greater at the mid-section than at the finish. - Answer-
b) Greater than that in a butt joint.
7. What are slag and non-metallic inclusions usually
caused by?
a) Moisture in the weld joint.
b) High welding current.
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c) Loss of shielding gas.
d) Inadequate interpass cleaning. - Answer-d) Inadequate
interpass cleaning.
8. Where deviations from the drawings are warranted the
inspector should do which of the following?
a) Authorize approval of the changes.
b) Obtain official approval for the changes.
c) Reject the work without any further consideration.
d) Stop the work until drawing revisions have been
completed. - Answer-b) Obtain official approval for the
changes.
9. With the appropriate electrode, which of the following
welding processes can operate with or without
a shielding gas:
a) Electrogas welding process.
b) Gas metal arc welding process.
c) Flux cored arc welding process.
d) Submerged arc welding process.
e) Pulsed gas metal arc welding process. - Answer-c) Flux
cored arc welding process.