Pick out the wrong statement pertaining to the roll crushers?

Mechanical Operations 31/10/2020

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

Related Mcqs:

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    A. 1.0 B. 0.5 C. 1.34 D. 4.34...
    Feed size of ≥ 25 cms can be accepted by _______________________?
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    Separation of materials into products based on the difference of their sizes is called___________________?
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