Exercise: Workshop Technology

Questions for: Workshop Technology

The metal extrusion process is generally used for producing
A:
uniform solid sections
B:
uniform hollow sections
C:
uniform solid and hollow sections
D:
varying solid and hollow sections
Answer: C
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In TIG arc welding, the welding zone is shielded by an atmosphere of
A:
helium gas
B:
argon gas
C:
either (a) or (b)
D:
none of these
Answer: C
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The process of increasing the cross-section of a bar at the expense of its length, is called
A:
drawing down
B:
upsetting
C:
spinning
D:
peening
Answer: B
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Fin is a casting defect which is due to thin projections of metal not intended as a part of casting.
A:
Correct
B:
Incorrect
C:
D:
Answer: A
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The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as
A:
hot piercing
B:
extrusion
C:
cold peening
D:
cold heading
Answer: C
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