Question:medium

An air cooler will work most efficiently under which condition?

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To maximize air cooler performance, think about maximizing the evaporation rate. Two key requirements are: 1. Dry Air Supply: Always ensure good ventilation by placing the cooler at an open window. 2. High Evaporation Rate of Water: Use clean, pure water. Adding impurities like salt hinders evaporation.
Updated On: Apr 19, 2026
  • Cooler facing window, no salt in water
  • Cooler facing away from window, no salt
  • Cooler facing window, salt added in water
  • Cooler facing away from window, salt added
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The Correct Option is A

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