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CBSE - IX - Chemistry - Matter in Our Surroundings

why does a desert cooler cool better in a hot dry day?

Asked by Krishna 30th September 2013, 8:48 PM
Answered by Expert


On a hot dry day, the temperature is high and humidity is low.The water takes heat from the hot desert cooler and evaporates.The evaporation of water cools the pads and the circulating water.As a result the incoming air also gets cooled down.
Answered by Expert 1st October 2013, 9:06 AM

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