Mechanical Operations As particle size is reduced Screening becomes progressively more difficult None of these Screening becomes progressively easier Capacity and effectiveness of the screen is increased Screening becomes progressively more difficult None of these Screening becomes progressively easier Capacity and effectiveness of the screen is increased ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency is the ratio of the Surface energy created by crushing to the energy absorbed by the solid Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Energy absorbed by the solid to the surface energy created by crushing Surface energy created by crushing to the energy absorbed by the solid Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Energy absorbed by the solid to the surface energy created by crushing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is proportional to (where, S = screen aperture) √S S S² 1/S √S S S² 1/S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mass flow of granular solid (M) through a circular opening of dia, D follows M ∝ D³ M ∝ D² M ∝ D M ∝ √D M ∝ D³ M ∝ D² M ∝ D M ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Surface active agent Electrolyte Neither A nor B Both A & B Surface active agent Electrolyte Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. 85 70 35 50 85 70 35 50 ANSWER DOWNLOAD EXAMIANS APP
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