Mass Transfer Stefan's law describes the mass transfer by Both A & B Neither A nor B Bulk flow Diffusion Both A & B Neither A nor B Bulk flow Diffusion ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Hatta number is important in Binary distillation Multicomponent distillation Gas absorption with chemical reaction Gas absorption without chemical reaction Binary distillation Multicomponent distillation Gas absorption with chemical reaction Gas absorption without chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption with exothermic reaction, for fluids having Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Both A & B Pr = Sc ; there won Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Both A & B Pr = Sc ; there won ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The ratio of Murphree plate efficiency to point efficiency is 1 in a __________ flow model. Both plug & perfectly mixed Plug None of the listed here Perfectly mixed Both plug & perfectly mixed Plug None of the listed here Perfectly mixed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Remains same Decreases Increases Either A or B; depends on the gas Remains same Decreases Increases Either A or B; depends on the gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysterisis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption. Lower than Higher than Same as Either same or higher than Lower than Higher than Same as Either same or higher than ANSWER DOWNLOAD EXAMIANS APP