Maximum size reduction in a ball mill is done by the, ______________ action?

Related Mcqs:

Pick out the wrong statement?

A. Cumulative analysis for determining surface area is preferred over differential analysis, because of the assumption that “all particles in a simple fraction equal in size” is not needed for cumulative analysis unlike differential analysis B. A gate diagram is a plot of cumulative percent by weight undersize vs. the reciprocal of diameter, in which … Pick out the wrong statement?Read More...

Rittinger’s number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger’s number of a material indicates its________________?

A. Easier grindability B. Poor grindability C. High power consumption in grinding 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...

Which of the following may prove unsuitable for filtering volatile liquids ?

A. Pressure filter B. Gravity filter C. Centrifugal filter D. Vacuum filter...

For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately _____________ microns?

A. 5 B. 50 C. 500 D. 5000...