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

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

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

Aluminium oxide wheels are employed.
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.

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