Exercise: Production Engineering

Questions for: Production Engineering

The specific cutting energy used for establishing the machinability of the metal depends upon its
A:
coefficient of friction
B:
microstructure
C:
work hardening characteristics
D:
all of these
Answer: D
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Which of the following statement is correct in regard to centreless grinding?
A:
The workpiece is supported throughout its entire length as grinding takes place.
B:
It is a continuous process and adopted for production work.
C:
It requires no holding device for the work.
D:
all of the above
Answer: D
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The taper on the lathe spindle is
A:
1 in 10
B:
1 in 15
C:
1 in 20
D:
1 in 30
Answer: C
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In __________ operation, the cutting force is maximum when the tooth begins its cut and reduces it to minimum when the tooth leaves the work.
A:
up milling
B:
down milling
C:
face milling
D:
end milling
Answer: B
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In __________ operation, the chip thickness is minimum at the beginning of the cut and it reaches to the maximum when the cut terminates.
A:
conventional milling
B:
climb milling
C:
face milling
D:
end milling
Answer: A
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