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CWB Welding Inspector Level 3 Exam ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct $10.99   Add to cart

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CWB Welding Inspector Level 3 Exam ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct

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CWB Welding Inspector Level 3 Exam ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct

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  • September 7, 2024
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CWB Welding Inspector Level 3 Exam




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, CWB Welding Inspector Level 3 Exam

1. 1. Which is not a recommended method for surface cleaning of a part forliquid 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. 2. Which of the following weld defects is most likely to be missed byradiography in a weld:
a) Undercutting.
b) Porosity.
c) Slag inclusions.
d) Cracking.
e) Burn through .
Answer: d) Cracking.

3. 3. In the choices given below, metallographic tests would be the leastinformative 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. 4. In producing a drawing for a scale of 1:50, what would be the distancerepresented 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. 5. The mechanical test used to determine the ability of a material to resistfailure by brittle
fracture
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. 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 buttjoint.

7. 7. What are slag and non-metallic inclusions usually caused by?
a) Moisture in the weld joint.
b) High welding current.
c) Loss of shielding gas.
d) Inadequate interpass cleaning.
Answer: d) Inadequate interpass cleaning.

8. 8. Where deviations from the drawings are warranted the inspector shoulddo 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) Obtainofficial approval for the changes.

9. 9. With the appropriate electrode, which of the following welding processescan 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.

10. 10. If there is inadequate penetration at the root of a double vee groove,which of the
following
statements best defines the reason for this:

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