Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D0.5 1/D D2 D D0.5 1/D D2 D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is not recommended to be used, if the Liquids decompose, if distilled directly at atmospheric pressure Azeotropic mixture is to be separated and the final product is miscible with water Material to be distilled is thermally unstable or has the tendency to react with other components associated with it, at the boiling temperature Material can not be distilled by indirect heating even under low pressure, because of the high boiling temperature Liquids decompose, if distilled directly at atmospheric pressure Azeotropic mixture is to be separated and the final product is miscible with water Material to be distilled is thermally unstable or has the tendency to react with other components associated with it, at the boiling temperature Material can not be distilled by indirect heating even under low pressure, because of the high boiling temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not change with time Does not affect the moisture content of the wet solid Increases with time Decreases with time Does not change with time Does not affect the moisture content of the wet solid Increases with time Decreases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction, Linearly Exponentially None of these Inversely Linearly Exponentially None of these Inversely ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer NSc/NPr is called the Stantan number Lewis number Psychrometric ratio Sherwood number Stantan number Lewis number Psychrometric ratio Sherwood number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a two phase system is in physical equilibrium; then it means that, the Temperature of the liquid phase is equal to that of the vapor phase Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase Total pressure throughout the liquid phase is equal to that throughout the vapor phase All of these Temperature of the liquid phase is equal to that of the vapor phase Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase Total pressure throughout the liquid phase is equal to that throughout the vapor phase All of these ANSWER DOWNLOAD EXAMIANS APP