Mechanical Operations Equivalent diameter of a particle is the diameter of the sphere having the same Volume as the particle None of these Ratio of volume to surface as the particle Ratio of surface to volume as the actual volume Volume as the particle None of these Ratio of volume to surface as the particle Ratio of surface to volume as the actual volume ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m³) 3.6 W.D.V.ρ 3.6 D.V.ρ 3.6 W.V.ρ 3.6 W.D.V. 3.6 W.D.V.ρ 3.6 D.V.ρ 3.6 W.V.ρ 3.6 W.D.V. ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 46° 16° 40° 32° 46° 16° 40° 32° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Linear speed of the basket is halved Linear speed of the basket is doubled Centrifugal force is doubled Capacity of centrifuge is increased Linear speed of the basket is halved Linear speed of the basket is doubled Centrifugal force is doubled Capacity of centrifuge 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) 1/S S √S S² 1/S S √S S² ANSWER DOWNLOAD EXAMIANS APP
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