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.
The chips are disposed off easily and do not interfere with the cutting.
It can not be used on old machines due to backlash between the feed screw of the table and the nut.
The surface milled appears to be slightly wavy.

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Manufacturing And Production Technology
Which of the following statement is correct about hot machining?

It requires less power than machining metals at room temperature.
All of these
The rate of tool wear is lower.
It is used for machining high strength and high temperature resistant materials.

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Manufacturing And Production Technology
The lip angle is the angle

None of the listed here
Between the tool face and the ground end surface of flank
Made by the face of the tool and the plane parallel to the base of the cutting tool
Between the face of the tool and a line tangent to the machined surface at the cutting point

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