A 30 mm diameter is being machined when the chuck is revolving at 100 – McqOptions

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1.	A 30 mm diameter is being machined when the chuck is revolving at 100 rpm. The cutting speed is nearly
A.	50 metres per minute
B.	40 metres per minute
C.	30 metres per minute
D.	60 metres per minute
E.	70 metres per minute
Answer» E.

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