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.
All of these
The grinding wheel has to be of open structure.
Aluminium oxide wheels are employed.

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Manufacturing And Production Technology
Glazing in grinding wheels takes place when the

Wheel is too soft or wheel revolves at a very slow speed
Wheel is too soft and wheel revolves at a very high speed
Wheel is too hard and wheel revolves at very slow speed
Wheel is too hard or wheel revolves at a very high speed

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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
Frequently, more than one cutting edges are in action
All of these

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