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Chemical Engineering · Q359

Mechanical Operations

Engineering and GATE · Chemical Engineering · question 359

Q359

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
Answer
D.
Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced

Answer: Option C

Solution

Answer: Option C
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