Manufacturing And Production Technology
Small nose radius

Produces chipping and decreases tool life
Decreases tool life
Results in excessive stress concentration and greater heat generation
Increases tool life

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Manufacturing And Production Technology
Which of the following statement is correct about hot machining?

The rate of tool wear is lower.
It requires less power than machining metals at room temperature.
All of these
It is used for machining high strength and high temperature resistant materials.

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

Grinding at high speed results in the reduction of chip thickness and cutting forces per grit.
The grinding wheel has to be of open structure.
All of these
Aluminium oxide wheels are employed.

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