Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the None of these Pressure drop in the equipment will be very high Packing may be crushed due to thermal expansion/contraction of the components of the equipments Viscosity variation of the fluids may cause channeling/flooding None of these Pressure drop in the equipment will be very high Packing may be crushed due to thermal expansion/contraction of the components of the equipments Viscosity variation of the fluids may cause channeling/flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a single stage extraction process, 10 kg of pure solvent S (containing no solute A) is mixed with 30 kg of feed F containing A at a mass fraction xf = 0.2. The mixture splits into an extract phase E and a raf-finate phase R containing A at xB = 0.5 and xR = 0.05 respectively. The total mass of the extract phase is (in Kg) 8.25 8.89 10 6.89 8.25 8.89 10 6.89 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Minimum possible diameter of a packed coloumn is decided mainly by the Gas viscosity Liquid density Flooding Liquid hold up Gas viscosity Liquid density Flooding Liquid hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the Pressure falls Temperature falls Temperature rises Pressure rises Pressure falls Temperature falls Temperature rises Pressure rises ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer _______ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower. Peclet Stanton Sherwood Lewis Peclet Stanton Sherwood Lewis ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, None of these Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate Increased air humidity decreases the rate of drying None of these Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate Increased air humidity decreases the rate of drying ANSWER DOWNLOAD EXAMIANS APP