Mechanical Operations For a cyclone of diameter 0.2 m with a tangential velocity of 15 m/s at the wall, the separation factor is 460 230 1125 2250 460 230 1125 2250 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In constant pressure filtration, Resistance decreases with time Rate of filtration increases with time Rate of filtration decreases with time Rate of filtration is constant Resistance decreases with time Rate of filtration increases with time Rate of filtration decreases with time Rate of filtration is constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? 1 0.5 ∞ 1 0.5 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screw conveyors are Suitable for sticky materials Run at very high rpm Suitable for highly abrasive materials All of these Suitable for sticky materials Run at very high rpm Suitable for highly abrasive materials All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The material is crushed in a gyratory crusher by the action of Compression Attrition Cutting Impact Compression Attrition Cutting Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, the Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number Froude number is independent for the curves between power number and Reynolds number in baffled system All of these Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number Froude number is independent for the curves between power number and Reynolds number in baffled system All of these ANSWER DOWNLOAD EXAMIANS APP
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