Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) 1/D D D0.5 D2 1/D D D0.5 D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the Viscosity variation of the fluids may cause channeling/flooding Packing may be crushed due to thermal expansion/contraction of the components of the equipments None of these Pressure drop in the equipment will be very high Viscosity variation of the fluids may cause channeling/flooding Packing may be crushed due to thermal expansion/contraction of the components of the equipments None of these Pressure drop in the equipment will be very high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient 'K' according to penetration theory varies with mass dif-fusivity as D D1.5 D0.5 1/D D D1.5 D0.5 1/D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Total reflux in a distillation operation requires minimum Condenser load Number of plates Reboiler load All of these Condenser load Number of plates Reboiler load All of these 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
Mass Transfer Leaching of coffee from coffee beans is done by Dilute H₂SO₄ (hot) Hexane Hot water Lime water Dilute H₂SO₄ (hot) Hexane Hot water Lime water ANSWER DOWNLOAD EXAMIANS APP
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