Mass Transfer
Which of the following remains constant during sensible cooling process ?

Partial pressure of vapour
None of the listed here
Specific humidity & Partial pressure of vapour
Specific humidity

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

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

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