How does a desert cooler works?

1.	How does a desert cooler works?
Answer» In a hot dry day water in desert cooler evaporates by taking energy from the surrounding,and humidity is less and rate of evaporation is high so desert cooler creates cooling The cooling in a desert room cooler is due to the process of evaporation.Desert cooler cools better on a hot dry day because the temperature of the atmosphere increases the rate of evaporation also increases and in hot day the humidity in atmosphere is less.If humidity is less evaporation is more.This gives better cooling effect.

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