Exercise: Production Engineering

Questions for: Production Engineering

Which of the following statement is correct as regard to up milling?
A:
It can not be used on old machines due to backlash between the feed screw of the table and the nut.
B:
The chips are disposed off easily and do not interfere with the cutting.
C:
The surface milled appears to be slightly wavy.
D:
The coolant can be poured directly at the cutting zone where the cutting force is maximum.
Answer: C
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In order to obtain a surface finish in the range of 0.75 Ξm to 1.25 Ξm , the operation used is called.
A:
grinding
B:
lapping
C:
honing
D:
buffing
Answer: A
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The angle between the face and flank of the single point cutting tool is known as
A:
rake angle
B:
clearance angle
C:
lip angle
D:
point angle
Answer: C
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Ceramic cutting tools are
A:
made by cold pressing of aluminium oxide powder
B:
available in the form of tips
C:
brittle and have low bending strength
D:
all of these
Answer: D
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In drilling aluminium, a drill with
A:
zero helix angle is used
B:
low helix angle is used
C:
high helix angle is used
D:
any helix angle can be used
Answer: C
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