Feed force of 210Kg and cutting force of 310Kg are applied using a to – McqOptions

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1.	Feed force of 210Kg and cutting force of 310Kg are applied using a tool of rake angle 10 degrees. If chip thickness ratio is 0.36, what will be the value of a coefficient of friction?
A.	0.2
B.	.44
C.	.97
D.	.21
Answer» D. .21

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