Exercise: Production Engineering

Questions for: Production Engineering

In lapping operaion, the amount of metal removed is
A:
0.005 to 0.01 mm
B:
0.01 to 0.1 mm
C:
0.05 to 0.1 mm
D:
0.5 to 1 mm
Answer: A
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The factor which affects the tool life is
A:
tool geometry
B:
cutting speed
C:
feed rate
D:
all of these
Answer: D
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High speed steel cutting tools operate at cutting speeds __________ than carbon steel tools.
A:
2 to 3 times lower
B:
2 to 3 times higher
C:
5 to 8 times higher
D:
8 to 20 times higher
Answer: B
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The abrasive slurry used in ultra-sonic machining contains fine particles of
A:
aluminium oxide
B:
boron carbide
C:
silicon carbide
D:
any one of these
Answer: D
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A coarse grained grinding wheel is used to grind
A:
hard and brittle materials
B:
soft and ductile materials
C:
hard and ductile materials
D:
soft and brittle materials
Answer: B
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