Mass Transfer Weeping in a distillation column Results due to very low gas velocity Increases tray efficiency Results due to very high gas velocity Provides large interfacial surface for mass transfer Results due to very low gas velocity Increases tray efficiency Results due to very high gas velocity Provides large interfacial surface for mass transfer ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (De.t)1/2 (4De/πt)1/2 (4De/t) (De/t)1/2 (De.t)1/2 (4De/πt)1/2 (4De/t) (De/t)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Drift in a cooling tower is Desirable The water entrained by the circulating air Dependent on the water lost by evaporation All of these Desirable The water entrained by the circulating air Dependent on the water lost by evaporation All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Smoke is an example of Solid dispersed in liquid Gas dispersed in liquid Solid dispersed in gas Liquid dispersed in gas Solid dispersed in liquid Gas dispersed in liquid Solid dispersed in gas Liquid dispersed in gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Seive-plate column Wetted wall column Bubble-cap plate column Packed tower Seive-plate column Wetted wall column Bubble-cap plate column Packed tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Air at a particular humidity is heated in a furnace. The new dew point Depends on the extent of heating Increases Decreases Remain unchanged Depends on the extent of heating Increases Decreases Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
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