Mass Transfer The caking of crystals can be prevented by Maintaining high critical humidity Coating the product with inert material Maintaining low critical humidity Both A and C Maintaining high critical humidity Coating the product with inert material Maintaining low critical humidity Both A and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Always higher than Same as Dependent on the system; can be either lower or higher than Always lower than Always higher than Same as Dependent on the system; can be either lower or higher than Always lower than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. Both A & B Degree of ideality Neither A nor B Viscosity Both A & B Degree of ideality Neither A nor B Viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stefan's law describes the mass transfer by Diffusion Both A & B Bulk flow Neither A nor B Diffusion Both A & B Bulk flow Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is Equal to the heat of formation of surface compound Equal to the heat of wetting Zero Called integral heat of adsorption Equal to the heat of formation of surface compound Equal to the heat of wetting Zero Called integral heat of adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Positive deviation from Raoult's law means a mixture whose total pressure is Less than that computed for ideality None of these Less than the sum of the vapour pressure of the components Greater than that computed for ideality Less than that computed for ideality None of these Less than the sum of the vapour pressure of the components Greater than that computed for ideality ANSWER DOWNLOAD EXAMIANS APP