Mass Transfer
In steam distillation, the

Product must be immiscible with water
Temperature is more than 100° C
Temperature is higher than the boiling point of either component
Temperature is 100°C

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Mass Transfer
Experiments were conducted to determine the flux of a species A in a stagnant medium across a gas-liquid interface. The overall mass transfer co-efficient based on the liquid side for dilute systems for the above was estimated to be 4 x 10⁻³ kg mole/m².s. The equilibrium data for the system is given as y = 2x. The flux across the interface (in kg mole/m² .s) for bulk concentrations of A in gas phase and liquid phase as y = 0.4 and x = 0.01 respectively is

8.5 x 10⁻³
5.6 x 10⁻³
8.5 x 10⁻⁴
5.6 x 10⁻⁴

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Mass Transfer
In case of an absorber, the operating

Line can be either above or below the equilibrium curve
Line always lies above the equilibrium curve
Line always lies below the equilibrium curve
Velocity is more than the loading velocity

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Mass Transfer
The term "cooling range" in a cooling tower refers to the difference in the temperature of

Hot water entering the tower and the wet bulb temperature of the surrounding air
Hot water entering the tower and the cooled water leaving the tower
Cold water leaving the tower and the wet bulb temperature of the surrounding air
None of the listed here

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