Mass Transfer Plate efficiency Is a function of the mass transfer between liquid and vapour Increases due to weeping and dumping of liquid Increases due to foaming Increases due to liquid entrainment Is a function of the mass transfer between liquid and vapour Increases due to weeping and dumping of liquid Increases due to foaming Increases due to liquid entrainment ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes ; but the air flow rate should be excessively high Yes No Yes ; but height of cooling tower will be prohibitively high Yes ; but the air flow rate should be excessively high Yes No Yes ; but height of cooling tower will be prohibitively high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Raoult's law is applicable to the Real solutions Ideal solutions Non-ideal gases Mixture of water and alcohol Real solutions Ideal solutions Non-ideal gases Mixture of water and alcohol ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an operating distillation column, the Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Vapors and liquids are at their dew point and bubble point respectively Driving force for the liquid flow is its specific weight Highest temperature is encountered at the top of the column Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Vapors and liquids are at their dew point and bubble point respectively Driving force for the liquid flow is its specific weight Highest temperature is encountered at the top of the column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption compared to physical absorption has Increased utilisation of stagnant zones of the liquid phase Lower capacity of the solvent for the solute gas None of these Lower adsorption rate Increased utilisation of stagnant zones of the liquid phase Lower capacity of the solvent for the solute gas None of these Lower adsorption rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in gas rate, the number of transfer units, NtoG, for a fixed degree of absorption by a fixed amount of solvent Increases Decreases linearly Decreases Remains unaffected Increases Decreases linearly Decreases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
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