Manufacturing And Production Technology
The correct sequence of the following parameters in order of their maximum to minimum influence on tool life is

Feed rate, cutting speed, depth of cut
Cutting speed, feed rate, depth of cut
Depth of cut, cutting speed, feed rate
Feed rate, depth of cut, cutting speed

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Manufacturing And Production Technology
The chamfering is an operation of

Enlarging the end of a hole cylindrically
Reducing the diameter of a workpiece over a very narrow surface
Beveling the extreme end of a workpiece
Embossing a diamond shaped pattern on the surface of a workpiece

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Manufacturing And Production Technology
Trepanning is an operation of

Smoothing and squaring the surface around a hole
Sizing and finishing a small diameter hole
Producing a hole by removing metal along the circumference of a hollow cutting tool
Making a cone-shaped enlargement of the end of a hole

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