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

The workpiece is supported throughout its entire length as grinding takes place
It is a continuous process and adopted for production work
It requires no holding device for the work
All of these

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

Decreasing the centre distance of bull gear and crank pin
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

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