Grinding efficiency of a ball mill is of the order of __________ percent. (A) 1-5 (B) 40-50 (C) 75-80 (D) 90-95

Grinding efficiency of a ball mill is of the order of __________ percent.
(A) 1-5
(B) 40-50
(C) 75-80
(D) 90-95
by

1 Answer

Answer :

(A) 1-5
by

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