Grinding characteristic of a material is given by its___________________?

Related Mcqs:

At low Reynold’s number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: Po = ρ/ρN3 D5: Power number Re = ρ N D2/μ: Reynold’s number N is the impeller rotational speed, and D is the impeller diameter ?

A. Po ∝ Re-1.0 B. Po ∝ Re0.0 C. Po ∝ Re0.5 D. Po ∝ Re1.0...

General crushing equation is given by d(P/m) = -K (dD̅ S/D̅ n S). Bond’s crushing law is obtained by solving this equation for n = _____________ and feed of infinite size?

A. 1 B. 1.5 C. 2 D. 2.5...

For efficient grinding, ball mills must be operated__________________?

A. At a speed less than the critical speed B. At a speed more than the critical speed C. At a speed equal to the critical speed D. With minimum possible small balls...

Which of the following clay mixing devices is vacuum operated for deairation of clay ?

A. Banbury mixer B. Pug mill C. Muller-mixer D. None of these...

Which is a secondary crusher for a hard & tough stone ?

A. Jaw crusher B. Cone crusher C. Impact crusher D. Toothed roll crusher...