Mechanical Operations Which of the following is a coarse crusher? Toothed roll crusher Gyratory crusher Tube mill Smooth roll crusher Toothed roll crusher Gyratory crusher Tube mill Smooth roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sedimentation on commercial scale occurs in Classifiers Rotary drum filters Cyclones Thickeners Classifiers Rotary drum filters Cyclones Thickeners ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy requirement (per unit mass of material crushed/ground) is highest for Rod mill Ball mill Fluid energy mill Jaw crusher Rod mill Ball mill Fluid energy mill Jaw crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The new surface created The change in volume due to crushing None of these The size reduction ratio The new surface created The change in volume due to crushing None of these The size reduction ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in drum speed, in a rotary drum filter, the filtration rate Increases linearly Decreases Increases Is not affected Increases linearly Decreases Increases Is not affected ANSWER DOWNLOAD EXAMIANS APP
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