Manufacturing And Production Technology
Flank wear depends upon the

Degree of strain hardening in the chip
All of these
Hardness of the work and tool material at the operating temperature
Amount and distribution of hard constituents in the work material

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Manufacturing And Production Technology
Which of the following statement is wrong as regard to down milling?

The coolant can be poured directly at the cutting zone where the cutting force is maximum.
It can not be used on old machines due to backlash between the feed screw of the table and the nut.
The chips are disposed off easily and do not interfere with the cutting.
The surface milled appears to be slightly wavy.

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

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
Chisel edge and the lip as viewed from the end of a drill

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