The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is W i , then the same for open circuit grinding will be

The value of work index does not change materially from one equipment

1.	The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is W i , then the same for open circuit grinding will be
A.	0.5 W i
B.	W i
C.	1.34 W i
D.	3.34 W i
Answer» D. 3.34 W i

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The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is W i , then the same for open circuit grinding will be

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