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Efficiency of a cooling tower is the ratio of

Efficiency of a cooling tower is the ratio of Correct Answer Range to difference of temperature of water entering the cooling tower and wet bulb temperature of air

Cooling Tower Effectiveness or Efficiency: It is the ratio of range of a cooling tower to the ideal range to be obtained. It is expressed in percentage.

Ideal range is equal to the difference between cooling tower inlet temperature and ambient wet bulb temperature.

Cooling tower effectiveness = Range(actual)/Ideal range = Range / (Range + Approach)

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