Exercise: Production Engineering

Questions for: Production Engineering

An open structure of a grinding wheel is used for
A:
soft materials
B:
tough materials
C:
ductile materials
D:
all of these
Answer: D
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In a single point turning operation with a cemented carbide and steel combination having a Taylor exponent of 0.25, if the cutting speed is halved, then tool life will become
A:
half
B:
two times
C:
eight times
D:
sixteen times
Answer: D
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The helix angle of a drill is more than 30° for drilling aluminium.
A:
Agree
B:
Disagree
C:
D:
Answer: A
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The tool material, for faster machining, should have
A:
wear resistance
B:
red hardness
C:
toughness
D:
all of these
Answer: D
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The type of reamer used for reaming soft aluminium or copper, is
A:
straight fluted reamer
B:
left hand spiral fluted reamer
C:
right hand spiral fluted reamer
D:
any one of these
Answer: B
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