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 Wi, then the same for open circuit grinding will be
(A) 0.5 Wi
(B) Wi
(C) 1.34 Wi
(D) 3.34 Wi
to another. If the value of work index determined for close circuit grinding
is Wi, then the same for open circuit grinding will be
(A) 0.5 Wi
(B) Wi
(C) 1.34 Wi
(D) 3.34 Wi