Mass Transfer
For the same system, if the same liquid used in an absorber is decreased, the tower height will

Remain unaffected
Decrease
Decrease or increase ; depends on the type of liquid
Increase

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Mass Transfer
For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because

Lewis number is close to unity
They are always equal under all circumstances
Solubility of the components of air in water is very small
Water has a high latent heat of evaporation

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