Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? 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 Normally not; but is possible if infinite number of plates are put Yes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation operation, what is the effect of the temperature of the reflux stream (given below) on the condenser and reboiler loads? Reflux conditions:(i) Reflux stream is completely liquid and is at its bubble point.(ii) Reflux stream is below its bubble point. Condenser and reboiler loads are the same in both the cases Condenser load is the same in both the cases but reboiler load is higher in case (ii) Reboiler load is the same in both the cases but condenser load is higher in case (ii) Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Condenser and reboiler loads are the same in both the cases Condenser load is the same in both the cases but reboiler load is higher in case (ii) Reboiler load is the same in both the cases but condenser load is higher in case (ii) Both condensor and reboiler loads are higher in case (ii) as compared to case (i) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the Pressure rises Temperature rises Pressure falls Temperature falls Pressure rises Temperature rises Pressure falls Temperature falls ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. Viscosity Degree of ideality Neither A nor B Both A & B Viscosity Degree of ideality Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molality is defined as the number of gm moles of solute per __________ of solvent. Gm Kg m³ Litre Gm Kg m³ Litre ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a solution containing 0.30 Kg mole of solute and 600 kg of solvent, the molality is 0.6 0.5 2 1 0.6 0.5 2 1 ANSWER DOWNLOAD EXAMIANS APP