Manufacturing And Production Technology
With the same tool life, the maximum material per minute is removed by

Increasing the cutting speed
Decreasing the cutting speed
Increasing the feed rate
Increasing the depth of cut

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Manufacturing And Production Technology
The lip clearance angle is the angle formed by the

Flank and a plane at right angles to the drill axis
Leading edge of the land with a plane having the axis of the drill
None of the listed here
Chisel edge and the lip as viewed from the end of a drill

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