Mass Transfer
During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant.

None of these
Relative humidity
Partial pressure of water vapor
Wet bulb temperature

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Mass Transfer
In case of an absorber, the operating

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

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