Mechanical Operations __________ balls capable of grinding the feed in a ball mill gives the maximum efficiency. Cast iron Elliptical Maximum size Minimum size Cast iron Elliptical Maximum size Minimum size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing. Ultrafine Fine Primary Secondary Ultrafine Fine Primary Secondary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Flow of filtrate through the cake in a plate and frame filter press is best described by the __________ equation. Kremser Fanning's Hagen-Poiseulle's Kozney-Karman Kremser Fanning's Hagen-Poiseulle's Kozney-Karman ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Two particles are called to be equal settling, if they are having the same. Specific gravity Terminal velocities in the same fluid & in the same field of force None of these Size Specific gravity Terminal velocities in the same fluid & in the same field of force None of these Size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 1.33-1.45 0.33-0.45 0.5-2 1.5-2.5 1.33-1.45 0.33-0.45 0.5-2 1.5-2.5 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 A.S. ρ 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 ANSWER DOWNLOAD EXAMIANS APP
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