Exercise: Workshop Technology

Questions for: Workshop Technology

The most preferred process for casting gas turbine blades is
A:
die casting
B:
shell moulding
C:
investment moulding
D:
sand casting
Answer: C
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A moving mandrel is used in
A:
wiredrawing
B:
tube drawing
C:
metal cutting
D:
forging
Answer: B
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The welding set up is said to have straight polarity, when
A:
work is connected to the positive terminal and the electrode holder to the negative terminal
B:
work is connected to the negative terminal and the electrode holder to the positive terminal
C:
work is connected to the positive terminal and the electrode holder is earthed
D:
work is connected to the negative terminal and the electrode holder is earthed
Answer: A
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In die casting, machining allowance is
A:
small
B:
large
C:
very large
D:
not provided
Answer: D
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The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called
A:
shearing
B:
piercing
C:
punching
D:
blanking
Answer: C
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