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

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

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Manufacturing And Production Technology
Which of the following statement is correct in regard to centreless grinding?

It is a continuous process and adopted for production work
The workpiece is supported throughout its entire length as grinding takes place
It requires no holding device for the work
All of these

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