Mechanical Operations For spheres, the specific surface shape factor is given by A/V D/V AD/V √(AD/V) A/V D/V AD/V √(AD/V) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency is the ratio of the Energy absorbed by the solid to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Energy fed to the machine to the surface energy created by crushing Surface energy created by crushing to the energy absorbed by the solid Energy absorbed by the solid to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Energy fed to the machine to the surface energy created by crushing Surface energy created by crushing to the energy absorbed by the solid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During the washing of cake All the resistances are constant Cake resistance decreases Filter medium resistance increases Filter medium resistance decreases All the resistances are constant Cake resistance decreases Filter medium resistance increases Filter medium resistance decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a classifier in 'tons of solid/hr' is given by (where, A = cross-sectional area, m² V = rising velocity of fluid, m/sec.S = percentage of solids in the suspension by volume.ρ = density of solids, kg/m³) 3.6 AVS/ρ 3.6 AVS.ρ 3.6 A.V.ρ 3.6 A.S. ρ 3.6 AVS/ρ 3.6 AVS.ρ 3.6 A.V.ρ 3.6 A.S. ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Gives less wear on chamber walls Increases capacity Requires more energy Complicates handling of the product Gives less wear on chamber walls Increases capacity Requires more energy Complicates handling of the product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In the cyclone separator used for separation of dust from dust laden gas, the gas Is admitted tangentially at high velocity Enters the cyclone from the top Develops a helical motion inside the chamber Both B and C Is admitted tangentially at high velocity Enters the cyclone from the top Develops a helical motion inside the chamber Both B and C ANSWER DOWNLOAD EXAMIANS APP