Manufacturing And Production Technology
Which of the following statement is correct regarding grinding of high carbon steel?

Aluminium oxide wheels are employed.
The grinding wheel has to be of open structure.
Grinding at high speed results in the reduction of chip thickness and cutting forces per grit.
All of these

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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
Flank and a plane at right angles to the drill axis
None of the listed here
Leading edge of the land with a plane having the axis of the drill

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