Mass Transfer
Which of the following parameters remains almost constant during adiabatic saturation of unsaturated air?

None of these
Dry bulb temperature
Dew point
Wet bulb temperature

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Mass Transfer
Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent?

Cooling and dehumidification
Heating and dehumidification at almost constant wet bulb temperature
None of these
Dehumidification with dry bulb temperature remaining constant

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Mass Transfer
The term "cooling range" in a cooling tower refers to the difference in the temperature of

None of the listed here
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
Hot water entering the tower and the cooled water leaving the tower

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