Which of the following equations is Rittinger’s crushing law? (Where P = power required by the machine, m = feed rate, k = a constant, D̅ sa & D̅ sb = volume surface mean diameter of feed & product respectively) ?

Related Mcqs:

Angle of nip of the crushing rolls does not depend upon the_______________?

A. Diameter of the rolls B. Speed of the rolls C. Product size D. Feed size...

A propeller agitator_______________?

A. Produces mainly axial flow B. Is used for mixing high viscosity pastes C. Runs at very slow speed (2 rpm) D. All A., B. and C....

The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be_________________?

A. 0.5 Wi B. Wi C. 1.34 Wi D. 3.34 Wi...

To get a fine talc powder from its granules, the equipment used is____________________?

A. Roller crusher B. Ball mill C. Jaw crusher D. Gyratory crusher...

______________ mill is not a revolving mill ?

A. Pebble B. Compartment C. Cage D. Tube...