Mass Transfer
The wetted wall tower is used to determine

M.T.C. of individual components in a liquid-liquid system
The overall M.T.C. of the system
Individual mass transfer co-efficient (M.T.C.) in gaseous system
M.T.C. of liquid in liquid-gas system

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Mass Transfer
In case of an absorber, the operating

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

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Mass Transfer
In steam distillation, the

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

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Mass Transfer
Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled

And humidified
And dehumidified with increase in wet bulb temperature
At the same relative humidity
And dehumidified with decrease in wet bulb temperature

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