Exercise: Production Engineering

Questions for: Production Engineering

A left 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: A
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The lead screw of a lathe has __________ threads.
A:
single start
B:
double start
C:
multi-start
D:
any one of these
Answer: A
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Larger end cutting edge angle __________ tool life.
A:
increases
B:
decreases
C:
does not effect
D:
Answer: B
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In oblique cutting system, the maximum chip thickness occurs at the middle.
A:
Correct
B:
Incorrect
C:
D:
Answer: B
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Which of the following statement is wrong about ultra-sonic machining?
A:
It is best suited for machining hard and brittle materials.
B:
It cuts materials at very slow speeds.
C:
It removes large amount of material.
D:
It produces good surface finish.
Answer: C
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