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

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

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Manufacturing And Production Technology
In a shaper, the length of stroke is increased by

Increasing the centre distance of bull gear and crank pin
Increasing the length of the arm
Decreasing the length of the slot in the slotted lever
Decreasing the centre distance of bull gear and crank pin

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