General mechanism of size reduction in intermediate and fine grinder is by __________________?

Related Mcqs:

In screen analysis, the notation +5 mm/-10 mm means particles passing through ____________________?

A. 10 mm screen and retained on 5 mm screen B. 5 mm screen and retained on 10 mm screen C. Both 5 mm and 10 mm screens D. Neither 5 mm nor 10 mm screen...

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...

______________ mill is not a revolving mill ?

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

In case of a hammer crusher, the final product size depends on the____________________?

A. Feed rate B. Rotor speed C. Clearance between hammer & grinding plates D. All A., B. and C....

Velocity of a small particle of diameter ‘Dp’ at a distance ‘r’ from the rotational axis of a cyclone rotating at an angular speed ‘ω’ is given by (the other symbols are as per standard notation) ?

A. [(DP/18). (ρs – ρ/μ)] ω2r B. [(DP2/18). (ρs – ρ/μ)] ω2r C. [(DP/18). (ρs – ρ/μ)] ω2r2 D. [(DP2/18). (ρs – ρ/μ)] ω2r...