Lapping is an operation of
A. Making a cone-shaped enlargement of the end of a hole
B. Smoothing and squaring the surface around a hole
C. Sizing and finishing a small diameter hole
D. Producing a hole by removing metal along the circumference of a hollow cutting tool
Answer: Option C
This Question Belongs to Mechanical Engineering >> Manufacturing And Production Technology
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The carbide tools operating at very low cutting speeds (below 30 m/min)
A. Reduces tool life
B. Increases tool life
C. Have no effect on tool life
D. Spoils the work piece
The type of reamer used for reaming operation in a blind hole, is
A. Straight fluted reamer
B. Left hand spiral fluted reamer
C. Right hand spiral fluted reamer
D. Any one of these
High speed steel tools retain their hardness up to a temperature of
A. 250°C
B. 350°C
C. 500°C
D. 900°C
Smoothing and squaring the surface around a hole