The cooling tower uses the phenomenon of evaporative cooling to cool warm water above the dbt of air.

Related MCQs

• At any dbt, the          the difference of wbt reading below below dbt,          is the amount of water vapour held in mixture.
• In adiabatic evaporative cooling, heat transfer between chamber and surroundings is
• Cooling and dehumidification of air is done in summer air conditioning.
• The temperature of feed water can be increased in following two ways in a regenerative Rankine cycle i) by passing feed water around turbine casing in direction opposite to flow of steam ii) by bleeding certain portion of steam at the end of h.p expansion & mixing with condensate to make feed water at the temperature of boiler
• 1.6 Kg of air is expanded at constant pressure from 100°C to 0°C resulting in entropy change of - 2.0 J/K 3.2 Kg of air is cooled at constant volume from 100°C to 0°C with a change in entropy of -3.0 J/K. The ratio Cp/ Cv is
• When humidity ratio of air          air is said to be dehumidified.
• Which of the following is true?(here pa=partial pressure of dry air, pw=partial pressure of water vapour, p=atmospheric pressure)
• In a mixture of dry air and water vapour,
• If water is injected into a container with has unsaturated air,
• When unsaturated air flows over a sheet of water in an insulated chamber