Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D K ∝ D1.5 K ∝ D2 K ∝ √D K ∝ D K ∝ D1.5 K ∝ D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Packed column distillation is limited to the column __________ metres. Height < 6 Diameter < 0.6 Both A & B Neither A nor B Height < 6 Diameter < 0.6 Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative volatility does not change appreciably with the change in Total pressure Vapour pressure of either component Temperature None of these Total pressure Vapour pressure of either component Temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative volatility of a binary mixture at constant temperature __________ the total pressure. Decreases with increase in Is independent of Increases with increase in None of these Decreases with increase in Is independent of Increases with increase in None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by Lowering the total pressure Raising the temperature Both A & B Neither A nor B Lowering the total pressure Raising the temperature Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the system with minimum boiling azeotrope at 1 atm. Ethyl alcohol-water Hydrochloric acid-water Benzene-toluene All of these Ethyl alcohol-water Hydrochloric acid-water Benzene-toluene All of these ANSWER DOWNLOAD EXAMIANS APP
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