Mass Transfer Flights in a rotary dryer are provided to Lift and shower the solids thus exposing it thoroughly to the drying action of the gas None of these Reduce the residence time of solid Increase the residence time of the solid Lift and shower the solids thus exposing it thoroughly to the drying action of the gas None of these Reduce the residence time of solid Increase the residence time of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humidification involves mass transfer between a pure liquid phase and a fixed gas, which is At a fixed temperature Soluble in the liquid Non-ideal in nature Insoluble in the liquid At a fixed temperature Soluble in the liquid Non-ideal in nature Insoluble in the liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Never Yes ; if the reflux ratio is maximum Yes Normally not; but is possible if infinite number of plates are put Never Yes ; if the reflux ratio is maximum Yes Normally not; but is possible if infinite number of plates are put ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Exponentially increases Decreases Does not affect Increases Exponentially increases Decreases Does not affect Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For which of the following unit operations, Lewis number is of significance? Gas absorption Binary distillation Adsorption Humidification Gas absorption Binary distillation Adsorption Humidification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Bubble-cap plate column Seive-plate column Wetted wall column Packed tower Bubble-cap plate column Seive-plate column Wetted wall column Packed tower ANSWER DOWNLOAD EXAMIANS APP
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