Manufacturing And Production Technology
In determining the various forces on the chip, Merchant assumed that the

Cutting velocity remains constant
Only continuous chip without built-up-edge is produced
All of these
Cutting edge of the tool is sharp and it does not make any flank contact with the workpiece

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Manufacturing And Production Technology
The lip angle is the angle

Between the face of the tool and a line tangent to the machined surface at the cutting point
None of the listed here
Between the tool face and the ground end surface of flank
Made by the face of the tool and the plane parallel to the base of the cutting tool

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

All of these
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.
Aluminium oxide wheels are employed.

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