Mass Transfer A good solvent used for absorption should not have very high Viscosity Vapor pressure Freezing point All of these Viscosity Vapor pressure Freezing point All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient 'K' according to penetration theory varies with mass dif-fusivity as 1/D D0.5 D D1.5 1/D D0.5 D D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Overall efficiency of the distillation column is Same as the Murphree efficiency The ratio of number of actual plates to ideal plates The ratio of number of ideal plates to actual plates Always more than the point efficiency Same as the Murphree efficiency The ratio of number of actual plates to ideal plates The ratio of number of ideal plates to actual plates Always more than the point efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption, both the operating and equilibrium lines will be straight for Isothermal operation Dilute solutions and isothermal operation None of these Dilute solutions Isothermal operation Dilute solutions and isothermal operation None of these Dilute solutions ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Yes Never Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Yes Never Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives High pressure drop and low hold up High pressure drop and high hold up Low pressure drop and low hold up Low pressure drop and high hold up High pressure drop and low hold up High pressure drop and high hold up Low pressure drop and low hold up Low pressure drop and high hold up ANSWER DOWNLOAD EXAMIANS APP