Mechanical Engineering - Production Engineering

41.
The enlarging of an existing circular hole with a rotating single point tool is called
boring
drilling
reaming
internal turning
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
In the relation VTn = C, the value of n for high speed steel tools varies from 0.25 to 0.40.
Agree
Disagree
Answer: Option
Explanation:
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43.
Glazing in grinding wheels __________ cutting capacity.
has no effect on
increase
decrease
Answer: Option
Explanation:
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44.
The usual value of the helix angle of a drill is
20°
30°
45°
60°
Answer: Option
Explanation:
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45.
The cutting speed for counter-boring should be __________ that of drilling operation.
equal to
less than
greater than
Answer: Option
Explanation:
No answer description is available. Let's discuss.