Manufacturing And Production Technology
In centreless grinding, work place centre will be

Below the line joining the two wheel centres
At the intersection of the line joining the wheel centres with the work place plane
Above the line joining the two wheel centres
On the line joining the two wheel centres

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Manufacturing And Production Technology
Side rake angle of a single point cutting tool is the angle

Between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base
By which the face of the tool is inclined sideways
By which the face of the tool is inclined towards back
Between the surface of the flank immediately below the point and a plane at right angles to the centre line of the point of the tool

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

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

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