Mass Transfer What is the reflux ratio at total reflux? Zero Infinity Unity Data insufficient Zero Infinity Unity Data insufficient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not affect the moisture content of the wet solid Decreases with time Does not change with time Increases with time Does not affect the moisture content of the wet solid Decreases with time Does not change with time Increases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to Increase the total pressure of distillation Avoid thermal decomposition of a component Increase the efficiency of separation Reduce the number of plates Increase the total pressure of distillation Avoid thermal decomposition of a component Increase the efficiency of separation Reduce the number of plates 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. 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) Condenser load is the same in both the cases but reboiler load is higher in case (ii) Reboiler load is the same in both the cases but condenser 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) Condenser load is the same in both the cases but reboiler load is higher in case (ii) Reboiler load is the same in both the cases but condenser load is higher in case (ii) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stacked packing compared to dumped packing Both A & B Gives higher pressure drop Gives lower pressure drop Provides poorer contact between the fluids Both A & B Gives higher pressure drop Gives lower pressure drop Provides poorer contact between the fluids ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature to which a vapour gas mixture must be cooled (at varying humidity) to become saturated is called the __________ temperature. Wet bulb Dry bulb None of these Dew point Wet bulb Dry bulb None of these Dew point ANSWER DOWNLOAD EXAMIANS APP
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