Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is D/a D/2a Dependent on the Reynolds number Proportional to √D D/a D/2a Dependent on the Reynolds number Proportional to √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. Degree of turbulence Physical properties Chemical properties Interfacial area Degree of turbulence Physical properties Chemical properties Interfacial area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following assumes constant molal vaporisation and overflow? Enthalpy concentration method McCabe-Thiele method Ponchan-Savarit method Plate absorption column Enthalpy concentration method McCabe-Thiele method Ponchan-Savarit method Plate absorption column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ is used as an 'entrainer' for the separation of acetic acid-water mixture by distillation. Hexane Butyl acetate Benzol Furfural Hexane Butyl acetate Benzol Furfural ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ developed the film theory. Levenspeil Higbie Ergun Fick Levenspeil Higbie Ergun Fick ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A good solvent used for absorption should not have very high Freezing point Vapor pressure All of these Viscosity Freezing point Vapor pressure All of these Viscosity ANSWER DOWNLOAD EXAMIANS APP