Pick out the wrong statement:

A. Magnetic separation method can be employed to treat both dry & wet ores

B. Reduction ratio in crushing operation is defined as the ratio of minimum feed size to the maximum product size

C. Gyratory crusher is used for coarse crushing

D. Screens are of stationary, moving and vibratory types

Answer: Option B

This Question Belongs to Chemical Engineering >> Mechanical Operations

Join The Discussion

Related Questions on Mechanical Operations