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

The surface milled appears to be slightly wavy.
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 coolant can be poured directly at the cutting zone where the cutting force is maximum.

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Manufacturing And Production Technology
Which of the following statement is incorrect with reference of lathe cutting tools?

The base is that surface of the shank which bears against the support and takes tangent pressure of the cut
The flank of the tool is the surface or surfaces below and adjacent to the cutting edges
The heel is that part of the tool which is shaped to produce the cutting edges and face
The nose is the corner, arc or chamfer joining the side cutting and the end cutting edges

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