Multiple choice

True or false? The wet bulb will never be greater than the dry bulb?

  1. True

  2. False

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Evaporation is a cooling process, so the wet-bulb temperature will always be lower than or equal to the dry-bulb temperature. It can only equal the dry-bulb temperature when the relative humidity is 100% and no evaporation occurs.