Mass Transfer
______ extractor uses centrifugal force for separating the two phases.

Podbielniak
Treybal
None of the listed here
Schiebel

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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

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
Lewis number is close to unity

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

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