Exercise: Production Engineering

Questions for: Production Engineering

The aluminium oxide abrasive is chiefly used for grinding
A:
high speed steel
B:
carbon steel
C:
wrought iron
D:
all of these
Answer: D
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In a shaper, the metal is removed during
A:
forward stroke
B:
return stroke
C:
both the forward and return strokes
D:
neither the forward nor the return stroke
Answer: A
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The average cutting speed for turning mild steel with a high speed steel tool is
A:
15 to 19 m/min
B:
25 to 31 m/min
C:
60 to 90 m/min
D:
90 to 120 m/min
Answer: B
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Crack in grinding wheel is developed due to
A:
high temperature developed at the contact of the wheel face and work
B:
grinding hard work
C:
low speed of wheel
D:
high speed of wheel
Answer: D
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The time (in minutes) for a drilling a hole is given by

where h is the
A:
length of the drill
B:
drill diameter
C:
flute length of the drill
D:
cone height of the drill
Answer: D
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