Mass Transfer The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line) ML/G LG/m L/mG G/mL ML/G LG/m L/mG G/mL ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At what percentage (by volume) of alcohol composition, it forms an azeotrope with water? 95 91.5 99 90 95 91.5 99 90 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state equimolal counter diffusion is encountered in All liquid-liquid diffusion systems Separation of a binary mixture by distillation Absorption of NH₃ from air by water All of these All liquid-liquid diffusion systems Separation of a binary mixture by distillation Absorption of NH₃ from air by water All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The boiling points of pure components of a binary system __________ with increase in total pressure of the system. Remains unchanged May increase or decrease, depends on the system Increases Decreases Remains unchanged May increase or decrease, depends on the system Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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 = a₂ None of these a₁ = 0.5 a₂ a₁ = 2a₂ a₁ = a₂ None of these a₁ = 0.5 a₂ a₁ = 2a₂ 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) 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 and reboiler loads are the same in both the cases Condenser load is the same in both the cases but reboiler load is higher in case (ii) 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 and reboiler loads are the same in both the cases ANSWER DOWNLOAD EXAMIANS APP
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