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Thursday, 4 April 2013

Why does a desert cooler cool better on a hot dry day?

Question 1. Why does a desert cooler cool better on a hot dry day?
Answer: 
A desert cooler cools better on a hot dry day because on a hot dry day temperature is high and humidity is less which helps in better evaporation. Due to the higher rate of evaporation it gives better cooling effect.

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