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Mass Transfer

Mass Transfer
The-relative volatility for separation of a non-ideal binary mixture by distillation should be

< 1
1
> 1

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Mass Transfer
Unsaturated air (with dry and wet bulb temperatures being 35 and 25°C respectively) is passed through water spray chamber maintained at 35°C. The air will be

Dehumidified
Both A & B
Humidified
Cooled

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Mass Transfer
As the reflux ratio increases, the slope of the operating line for rectifying section

Remains constant
Increases
Decreases
Data insufficient, cannot be predicted

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Mass Transfer
With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system)

Decreases
Remains unaffected
Increases Linearly
Increases

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Mass Transfer
Boiling point diagram is not affected by the ambient

Humidity
Temperature
Both B and C
Pressure

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Mass Transfer
Which of the following increases during evaporative cooling process with recirculated water supply?

Partial pressure of vapour
Wet bulb temperature
Relative humidity
Both B and C

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