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

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Mass Transfer
Pick out the wrong statement. Raoult's law does not apply, when the

Chemical combination or molecular association between unlike molecules takes place in the formation of solution
Component molecules are nonpolar
Attractive forces between like and unlike molecules in the solution are approximately equal
Size of component molecules are not equal

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