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

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

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Manufacturing And Production Technology
In oblique cutting of metals, the cutting edge of the tool is

Perpendicular to the direction of tool travel
Perpendicular to the workpiece
Inclined at an angle less than 90° to the direction of tool travel
Parallel to the direction of tool travel

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Manufacturing And Production Technology
Threading is an operation of

Smoothing and squaring the surface around a hole
Cutting helical grooves on the external cylindrical surface
Sizing and finishing a small diameter hole
Producing a hole by removing metal along the circumference of a hollow cutting tool

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