Exercise: Production Engineering

Questions for: Production Engineering

The cutting speed for drilling aluminium, brass and bronze with carbon steel drills is __________ cutting speed for drilling mild steel with high speed steel drills.
A:
equal to
B:
less than
C:
more than
D:
Answer: A
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The process of improving the cutting action of the grinding wheel is called
A:
truing
B:
dressing
C:
facing
D:
clearing
Answer: B
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In electro-chemical machining, the gap between the tool and work is kept as
A:
0.1 mm
B:
0.25 mm
C:
0.4 mm
D:
0.75 mm
Answer: D
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Jigs are heavier than fixtures in construction.
A:
Yes
B:
No
C:
D:
Answer: B
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Buffing wheels are made of
A:
softer metals
B:
cotton fabric
C:
carbon
D:
graphite
Answer: B
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