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  1. In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the

    2. A.
    range is 15°F.
    B.
    approach is 10°F.
    C.
    both (a) & (b).
    D.
    neither (a) nor (b).

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    Answer : Option C

    Explanation :

    Temperature range (T1 - T2) = 15°F.

    Temperature approach (T2 - tw) = 10°F.

    Wet-bulb temperature tw = 70°F.

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