Mass Transfer Diffusion co-efficient generally depends upon the temperature, pressure & the nature of the components of the system. Its dimension is not the same as that of the Kinematic viscosity Mass transfer co-efficient Volumetric diffusivity Thermal diffusivity Kinematic viscosity Mass transfer co-efficient Volumetric diffusivity Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same. Heat, momentum and mass Mass and momentum Heat and momentum Heat and mass Heat, momentum and mass Mass and momentum Heat and momentum Heat and mass ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Binary distillation involves the mass transfer by __________ at the gas-liquid interface. Unidirectional diffusion from gas to liquid phase Unidirectional diffusion from liquid to gas phase Either A or B A counter diffusion at an almost equal molar rate Unidirectional diffusion from gas to liquid phase Unidirectional diffusion from liquid to gas phase Either A or B A counter diffusion at an almost equal molar rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Physical absorption is A reversible phenomenon An irreversible phenomenon Accompanied by evolution of heat Both B & C A reversible phenomenon An irreversible phenomenon Accompanied by evolution of heat Both B & C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture in a substance exerting an equilibrium vapour pressure less than that of pure liquid at the same temperature is called the __________ moisture. Bound Critical Unbound None of these Bound Critical Unbound None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is not an example of adsorption applied to gaseous separations? Removal of objectionable odour and impurities from industrial gases Decolouration of yellow glycerene Recovery of valuable solvent vapors from dilute mixture with air and other gases Dehumidification of air and gas Removal of objectionable odour and impurities from industrial gases Decolouration of yellow glycerene Recovery of valuable solvent vapors from dilute mixture with air and other gases Dehumidification of air and gas ANSWER DOWNLOAD EXAMIANS APP