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
Decreasing the length of the slot in the slotted lever
Increasing the length of the arm

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Manufacturing And Production Technology
The lip clearance angle is the angle formed by the

Chisel edge and the lip as viewed from the end of a drill
Flank and a plane at right angles to the drill axis
Leading edge of the land with a plane having the axis of the drill
None of the listed here

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