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
Fixtures are used

None of these
To check the accuracy of workpiece
For holding and guiding the tool in drilling, reaming or tapping operations
For holding the work in milling, grinding, planing or turning operations

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