Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 0.24 600 3.97 1 0.24 600 3.97 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The fixed cost of a distillation column at minimum reflux ratio is Infinite Minimum Optimum None of these Infinite Minimum Optimum None of these 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. Reboiler load is the same in both the cases but condenser load is higher in case (ii) Condenser load is the same in both the cases but reboiler load is higher in case (ii) Condenser and reboiler loads are the same in both the cases Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Reboiler load is the same in both the cases but condenser load is higher in case (ii) Condenser load is the same in both the cases but reboiler load is higher in case (ii) Condenser and reboiler loads are the same in both the cases Both condensor and reboiler loads are higher in case (ii) as compared to case (i) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following parameters remains constant during chemical dehumidifica-tion? Wet bulb temperature Partial pressure of vapour None of these Dry bulb temperature Wet bulb temperature Partial pressure of vapour None of these Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Sublimation Adsorption Evaporation Dehydration Sublimation Adsorption Evaporation Dehydration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, An azeotrope may be formed during distillation Use steam distillation Use molecular distillation Use high pressure distillation An azeotrope may be formed during distillation Use steam distillation Use molecular distillation Use high pressure distillation ANSWER DOWNLOAD EXAMIANS APP
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