Mechanical Engineering - Production Engineering

26.
If the grain size is __________ the tool life is better.
smaller
larger
Answer: Option
Explanation:
No answer description is available. Let's discuss.

27.
Flank wear is due to the abrasive action of hard mis-constituents including debris from built up edge as the work material rubs the work surface.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.

28.
The operation of reproduction of an outline of a template on a workpiece is called face milling.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.

29.
The usual value of the point angle of a drill is
70°
100°
118°
130°
Answer: Option
Explanation:
No answer description is available. Let's discuss.

30.
Buffing wheels are made of
softer metals
cotton fabric
carbon
graphite
Answer: Option
Explanation:
No answer description is available. Let's discuss.