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

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Manufacturing And Production Technology
A jig is defined as a device which

Holds and locates a workpiece during an inspection or for a manufacturing operation
Holds and locates a workpiece and guides and controls one or more cutting tools
Is used to check the accuracy of workpiece
All of these

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