Exercise: Production Engineering

Questions for: Production Engineering

Crater wear is predominant in
A:
carbon tool steels
B:
tungsten carbide tools
C:
high speed steel tools
D:
ceramic tools
Answer: B
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When the end of a tap is tapered for about three or four threads, it is known as a
A:
taper tap
B:
bottoming tap
C:
second tap
D:
none of these
Answer: C
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High speed steel drills can be operated at about __________ the speed of high carbon steel drills.
A:
one-half
B:
one-fourth
C:
double
D:
four times
Answer: C
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The rear teeth of a broach
A:
perform burnishing operation
B:
remove minimum metal
C:
remove maximum metal
D:
remove no metal
Answer: C
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Which of the following statement is correct regarding grinding of high carbon steel?
A:
Grinding at high speed results in the reduction of chip thickness and cutting forces per grit.
B:
Aluminium oxide wheels are employed.
C:
The grinding wheel has to be of open structure.
D:
all of the above
Answer: D
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