Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) 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 During the constant rate period of drying of a solid, 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On addition of solute in the solvent, the __________ of the solution decreases. Boiling point Freezing point Vapour pressure Both B and C Boiling point Freezing point Vapour pressure Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero. All of these Gas phase Liquid phase Interface All of these Gas phase Liquid phase Interface ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Extraction of coffee from its seed is done by Extractive distillation Leaching Steam distillation Liquid-liquid extraction Extractive distillation Leaching Steam distillation Liquid-liquid extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Desirable value of absorption factor in an absorber is 0.5 1 < 1 > 1 0.5 1 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
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