The lip clearance angle is the angle formed by the
A. Leading edge of the land with a plane having the axis of the drill
B. Flank and a plane at right angles to the drill axis
C. Chisel edge and the lip as viewed from the end of a drill
D. None of the above
Answer: Option B
This Question Belongs to Mechanical Engineering >> Manufacturing And Production Technology
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
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