Which of the following statement is wrong as regard to down milling?

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

Correct Answer: The surface milled appears to be slightly wavy.

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