Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 K ∝ √D K ∝ D2 K ∝ D K ∝ D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A good solvent used for absorption should not have very high Freezing point All of these Vapor pressure Viscosity Freezing point All of these Vapor pressure Viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of H₂/ky.Cz is around 0.6 1 0.24 0.72 0.6 1 0.24 0.72 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same. Heat and momentum Heat, momentum and mass Heat and mass Mass and momentum Heat and momentum Heat, momentum and mass Heat and mass Mass and momentum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stacked packing compared to dumped packing Provides poorer contact between the fluids Both A & B Gives higher pressure drop Gives lower pressure drop Provides poorer contact between the fluids Both A & B Gives higher pressure drop Gives lower pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Raoult's law is applicable to the Mixture of water and alcohol Real solutions Ideal solutions Non-ideal gases Mixture of water and alcohol Real solutions Ideal solutions Non-ideal gases ANSWER DOWNLOAD EXAMIANS APP