The grinding wheel speed (surface speed in m/min) usually varies from

1.	The grinding wheel speed (surface speed in m/min) usually varies from
A.	500 to 1000
B.	1000 to 1500
C.	1500 to 2000
D.	2000 to 2500
Answer» D. 2000 to 2500

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The grinding wheel speed (surface speed in m/min) usually varies from

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