Manufacturing And Production Technology
The cutting force in punching and blanking operations mainly depends on

The modulus of elasticity of metal
The bulk modulus of metal
The yield strength of metal
The shear strength of metal

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

All of these
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

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

All of these
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.

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