Manufacturing And Production Technology
A taper tap has

Its end tapered for about eight or ten threads
None of these
Its end tapered for about three or four threads
Full threads for the whole of its length

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

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

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