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

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

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Manufacturing And Production Technology
The effect of setting a boring tool above center height leads to

Increase in the effective rake angle and a decrease in the effective clearance angle
Decrease in both effective rake angle and effective clearance angle
Increase in both effective rake angle and effective clearance angle
Decrease in the effective rake angle and an increase in the effective clearance angle

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