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

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

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Manufacturing And Production Technology
A jig is defined as a device which

All of these
Holds and locates a workpiece and guides and controls one or more cutting tools
Is used to check the accuracy of workpiece
Holds and locates a workpiece during an inspection or for a manufacturing operation

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