Question

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

Answer 1

the desert cooler cools better on a hot dry day because there is a less humidity in air so less evaporation that's why a desert cooler cools better on a hot dry day

Answer 2

Hey Mate

your answer is ----

✔✔ Desert cooler cool better on hot dry day due to cause of evaporation . we fill water in desert cooler and when we start it the blade of cooler rotate and increase the kinetic energy of water molecules and hence, water molecules evaporate and cause cooling because we know that evaporation cause cooling , it cool the surrounding area where evaporation occur .

================
Hope it helps you
================