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

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

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Manufacturing And Production Technology
A better machinable metal is one which gives

Lower chip-tool contact area and larger shear angle
Higher chip-tool contact area and larger shear angle
Lower chip-tool contact area and smaller shear angle
Higher chip-tool contact area and smaller shear angle

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Manufacturing And Production Technology
Which of the following statement is correct for oblique cutting system?

The cutting edge is inclined at an angle less than 90° with the normal to the velocity of the tool
The chip flows on the tool face at an angle less than 90° with the normal on the cutting edge
All of these
Frequently, more than one cutting edges are in action

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