Pick out the wrong statement pertaining to the roll crushers.
(A) Maximum feed size determines the required roll diameter
(B) For hard material's crushing, the reduction ratio should not exceed 4
(C) Both the rolls run necessarily at the same speed
(D) Reduction ratio and differential roll speed affect production rate &
energy consumed per unit of surface produced
(A) Maximum feed size determines the required roll diameter
(B) For hard material's crushing, the reduction ratio should not exceed 4
(C) Both the rolls run necessarily at the same speed
(D) Reduction ratio and differential roll speed affect production rate &
energy consumed per unit of surface produced