Question

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

Answer 1

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.

Answer 2

A desert cooler functions on the basis of evaporation The rate of evaporation increases with increase in temperature and decrease in humidity. As evaporation increases when the day is hot and dry. So, the desert cooler functions to a better extent.