Exercise: Production Engineering

Questions for: Production Engineering

The cutting speed for drilling copper with high speed steel drills varies from
A:
10 to 20 m/min
B:
18 to 30 m/min
C:
24 to 45 m/min
D:
60 to 90 m/min
Answer: B
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The surface finish is improved by the increase in
A:
cutting speed
B:
nose radius
C:
true rake angle
D:
all of these
Answer: D
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A right hand tool on a lathe cuts most efficiently when it travels
A:
from left to right end of the lathe bed
B:
from right to left end of the lathe bed
C:
with the help of a compound slide
D:
across the bed
Answer: B
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The height of each tooth of a broach is
A:
same throughout
B:
in progressively decreasing order
C:
in progressively increasing order
D:
none of these
Answer: C
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The cutting force in up milling __________ per tooth movement of the cutter.
A:
is zero
B:
is maximum
C:
decreases from maximum to zero
D:
increases from zero to maximum
Answer: D
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