If cs=1 and n=40, then find the value of d. d=diameter of drill in mm – McqOptions

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1.	If cs=1 and n=40, then find the value of d. d=diameter of drill in mm, n=rpm and cs=cutting speed in mm/minute.
A.	7.96
B.	3.98
C.	15.92
D.	none of the mentioned
Answer» B. 3.98

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