Exercise: Production Engineering

Questions for: Production Engineering

For turning internal tapers, the suitable method is
A:
by a form tool
B:
by setting over the tail stock
C:
by a taper turning attachment
D:
by swivelling the compound rest
Answer: C
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Which of the following statement is correct about hot machining?
A:
It requires less power than machining metals at room temperature.
B:
The rate of tool wear is lower.
C:
It is used for machining high strength and high temperature resistant materials.
D:
all of the above
Answer: D
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In drilling softer materials, the cutting speed is __________ as compared to harder materials.
A:
same
B:
low
C:
high
D:
Answer: C
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A grinding wheel is said to be of __________ if the abrasive grains can be easily dislodged.
A:
soft grade
B:
medium grade
C:
hard grade
D:
Answer: A
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In centreless grinders, the regulating wheel is inclined at
A:
0° to 8°
B:
9° to 15°
C:
16° to 20°
D:
21° to 25°
Answer: A
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