Mass Transfer
The cooling effect in a cooling tower can be speeded up by

Reducing the humidity of the air
Reducing the barometric pressure
Increasing the air velocity and area of exposed wet surface
All of the listed here

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

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Mass Transfer
Humid volume is the total volume in m³ of 1 kg of

Vapour laden gas at 1 atm. and room temperature
Gas plus its accompanying vapour at 1 atm. and gas temperature
Gas plus its accompanying vapour at 1 atm. and room temperature
Vapour laden gas at 1 atm. and gas temperature

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