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

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

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Manufacturing And Production Technology
Which of the following statement is incorrect with reference of lathe cutting tools?

The heel is that part of the tool which is shaped to produce the cutting edges and face
The flank of the tool is the surface or surfaces below and adjacent to the cutting edges
The nose is the corner, arc or chamfer joining the side cutting and the end cutting edges
The base is that surface of the shank which bears against the support and takes tangent pressure of the cut

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