Question

why does a desert cooler cool better on a hot dry day

Answer 1

desert cooler cool better on a hot day because on hot day temperature is high and humidity is lesser which helps in better evaporation. due to the higher rate of evaporation it gives better cooling effect .

Answer 2

Answer:

The cooling in a desert room cooler is caused by evaporation of water. A desert cooler cools better on a hot and dry day because the higher temperature on a hot day increases the rate of evaporation of water, and the dryness of air also increases the rate of evaporation of water. And due to increase the rate of evaporation of water, a desert room cooler cools better on a hot dry and day.