Manufacturing And Production Technology
The maximum possible draft in cold rolling of sheet increases with the

Decrease in coefficient of friction
Increase in coefficient of friction
Decrease in roll velocity
Decrease in roll radius

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

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

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