Optimum ratio of operating speed to critical speed of a trommel is (A) 0.33-0.45 (B) 1.33-1.45 (C) 0.5-2 (D) 1.5-2.5

Optimum ratio of operating speed to critical speed of a trommel is
(A) 0.33-0.45
(B) 1.33-1.45
(C) 0.5-2
(D) 1.5-2.5
by

1 Answer

Answer :

(A) 0.33-0.45
by

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