Mass Transfer Relative humidity is the ratio of the Actual humidity to saturation humidity None of these Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature Actual humidity to saturation humidity None of these Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At minimum reflux ratio for a given separation Minimum number of the theoretical plates is required Separation is most efficient Number of plates is zero Number of plates is infinity Minimum number of the theoretical plates is required Separation is most efficient Number of plates is zero Number of plates is infinity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Henry's law states that the Vapour pressure is equal to the product of the mole fraction and total pressure Partial pressure of a component over a solution is proportional to its mole fraction in the liquid Partial pressure is equal to the product of the mole fraction and total pressure Partial pressure of a component over a solution is proportional to the mole fraction in the vapour Vapour pressure is equal to the product of the mole fraction and total pressure Partial pressure of a component over a solution is proportional to its mole fraction in the liquid Partial pressure is equal to the product of the mole fraction and total pressure Partial pressure of a component over a solution is proportional to the mole fraction in the vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the Packing may be crushed due to thermal expansion/contraction of the components of the equipments None of these Viscosity variation of the fluids may cause channeling/flooding Pressure drop in the equipment will be very high Packing may be crushed due to thermal expansion/contraction of the components of the equipments None of these Viscosity variation of the fluids may cause channeling/flooding Pressure drop in the equipment will be very high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is 0.017 0.215 0.107 0.31 0.017 0.215 0.107 0.31 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption (chemical adsorption) is Characterised by adsorption of heat An irreversible phenomenon A reversible phenomenon Same as "Van der Waals" adsorption Characterised by adsorption of heat An irreversible phenomenon A reversible phenomenon Same as "Van der Waals" adsorption ANSWER DOWNLOAD EXAMIANS APP
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