Manufacturing And Production Technology
In a planer

Tool moves over reciprocating work
Tool moves over stationary work
Tool is stationary and work reciprocates
Work is stationary and tool reciprocates

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Manufacturing And Production Technology
In ultrasonic machining, the metal is removed by

Using abrasive slurry between the tool and work
Maintaining an electrolyte between the work and tool in a very small gap between the two
Direct contact of tool with the work
Erosion caused by rapidly recurring spark discharges between the tool and work

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

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

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