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 gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range. Same as 5 times 2.5 times 10 times Same as 5 times 2.5 times 10 times ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in drum speed, in a rotary drum filter, the filtration rate Decreases Increases Is not affected Increases linearly Decreases Increases Is not affected Increases linearly 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 A.S. ρ 3.6 A.V.ρ 3.6 AVS/ρ 3.6 AVS.ρ 3.6 A.S. ρ 3.6 A.V.ρ 3.6 AVS/ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. Vibratory Roll None of these Impact Vibratory Roll None of these Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for All of these British standard screens German standard screens (DIN 1171) etc American standard screens (ASTM and Tyler standard screens) All of these British standard screens German standard screens (DIN 1171) etc American standard screens (ASTM and Tyler standard screens) ANSWER DOWNLOAD EXAMIANS APP
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