If n=rpm of the bull wheel=2, l= length of the cutting stroke in mm=3mm and m= the ratio between return time to cutting time= 5. Then find the value of cutting speed in mm/minute.

If n=rpm of the bull wheel=2, l= length of the cutting stroke in mm=3m

1.	If n=rpm of the bull wheel=2, l= length of the cutting stroke in mm=3mm and m= the ratio between return time to cutting time= 5. Then find the value of cutting speed in mm/minute.
A.	0.3
B.	0.36
C.	0.15
D.	0.18
Answer» C. 0.15

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If n=rpm of the bull wheel=2, l= length of the cutting stroke in mm=3mm and m= the ratio between return time to cutting time= 5. Then find the value of cutting speed in mm/minute.

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