Mass Transfer With increase in temperature, the rate of leaching increases, because the None of these Diffusivity of solute increases Thermal conductivity of solute increases Viscosity of solvent decreases None of these Diffusivity of solute increases Thermal conductivity of solute increases Viscosity of solvent decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Schmidt number which is defined as, μ/ρ D, is the ratio of the Momentum diffusivity to the thermal diffusivity Momentum diffusivity to the mass dif-fusivity Thermal diffusivity to the mass diffusivity None of these Momentum diffusivity to the thermal diffusivity Momentum diffusivity to the mass dif-fusivity Thermal diffusivity to the mass diffusivity None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is None of these Always < 1 G/L L/G None of these Always < 1 G/L L/G ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Normally not; but is possible if infinite number of plates are put Yes Yes ; if the reflux ratio is maximum Never Normally not; but is possible if infinite number of plates are put Yes Yes ; if the reflux ratio is maximum Never ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be ≤ 1 > 1 1 < 1 ≤ 1 > 1 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity. Pressure falls Temperature falls Pressure rises Temperature rises Pressure falls Temperature falls Pressure rises Temperature rises ANSWER DOWNLOAD EXAMIANS APP
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