Question:medium

In summer, when an air cooler is used, the room temperature decreases. What is the primary thermodynamic process responsible for cooling?

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Remember the difference between an air cooler and an air conditioner.
An air cooler uses water evaporation (adds humidity).
An air conditioner uses a refrigerant cycle (removes humidity).
The efficiency of an air cooler depends heavily on the external air's humidity; it works best in hot, dry climates.
Updated On: Apr 19, 2026
  • Conduction
  • Convection
  • Evaporation
  • Radiation
Show Solution

The Correct Option is C

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