Exercise: Production Engineering

Questions for: Production Engineering

The factor responsible for the formation of discontinuous chips is
A:
low cutting speed and large rake angle
B:
low cutting speed and small rake angle
C:
high cutting speed and large rake angle
D:
high cutting speed and small rake angle
Answer: B
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Chip breakers are used to
A:
increase tool life
B:
remove chips from bed
C:
break the chips into short segments
D:
to minimise heat generation
Answer: C
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In the relation VTn = C, the value of n for ceramic tools is
A:
0.1 to 0.2
B:
0.20 to 0.25
C:
0.25 to 0.40
D:
0.40 to 0.55
Answer: D
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When the tool moves parallel to the lathe axis, the movement is termed as
A:
cross feed
B:
angular feed
C:
longitudinal feed
D:
any one of these
Answer: C
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Which of the following statement is correct for oblique cutting system?
A:
The cutting edge is inclined at an angle less than 90° with the normal to the velocity of the tool.
B:
Frequently, more than one cutting edges are in action.
C:
The chip flows on the tool face at an angle less than 90° with the normal on the cutting edge.
D:
all of the above
Answer: D
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