Mass Transfer If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement. a₁ = 2a₂ a₁ = a₂ None of these a₁ = 0.5 a₂ a₁ = 2a₂ a₁ = a₂ None of these a₁ = 0.5 a₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To remove all the moisture from a wet solid it requires exposure to __________ air. None of these High temperature Perfectly dry Highly humid None of these High temperature Perfectly dry Highly humid 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 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) Reboiler load is the same in both the cases but condenser load is higher in case (ii) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to 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 Increase the total pressure of distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Inside the distillation columns, the Driving force for the liquid flow is its weight Highest temperatures is near the feed plate Vapors are not always at their dew points All of these Driving force for the liquid flow is its weight Highest temperatures is near the feed plate Vapors are not always at their dew points All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Danckwerts developed the __________ theory. None of these Surface renewal Film Penetration None of these Surface renewal Film Penetration ANSWER DOWNLOAD EXAMIANS APP