Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) 1/D D2 D D0.5 1/D D2 D D0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On addition of solute in the solvent, the __________ of the solution decreases. Vapour pressure Freezing point Both B and C Boiling point Vapour pressure Freezing point Both B and C Boiling point ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry and wet bulb temperatures being 35 and 25°C respectively) is passed through water spray chamber maintained at 35°C. The air will be Dehumidified Cooled Both A & B Humidified Dehumidified Cooled Both A & B Humidified ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not a batch drier? Fluidised bed drier Vacuum shelf drier Truck drier Agitated pan drier Fluidised bed drier Vacuum shelf drier Truck drier Agitated pan drier ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. -25 25 < 25 > 25 -25 25 < 25 > 25 ANSWER DOWNLOAD EXAMIANS APP
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