Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Rate of drying decreases abruptly Cracks develop on the surface of the solid None of these Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly Cracks develop on the surface of the solid None of these Surface evaporation of unbound moisture occurs ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stefan's law describes the mass transfer by Both A & B Bulk flow Neither A nor B Diffusion Both A & B Bulk flow Neither A nor B Diffusion ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following parameters remains constant during chemical dehumidifica-tion? Wet bulb temperature Dry bulb temperature None of these Partial pressure of vapour Wet bulb temperature Dry bulb temperature None of these Partial pressure of vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero. Interface Liquid phase Gas phase All of these Interface Liquid phase Gas phase All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas Increases Remains same Decreases linearly Decreases Increases Remains same Decreases linearly Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when A total condenser is used Saturated feed is not used An azeotrope forms The latent heat of vaporisation of the more and less volatile components are greatly different A total condenser is used Saturated feed is not used An azeotrope forms The latent heat of vaporisation of the more and less volatile components are greatly different ANSWER DOWNLOAD EXAMIANS APP