When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the _________________?
Correct answer: D. Air is fully saturated
- A. Partial pressure of water vapour is less than the total pressure
- B. Humidity is < 100% & dew point temperature of air has not reached
- C. Dew point temperature of air has not reached & air is not saturated fully
- D. Air is fully saturated
Explanation
Wet-bulb depression becomes zero when evaporation from the wet bulb is no longer possible, which occurs at 100% relative humidity. Therefore, equal dry-bulb and wet-bulb temperatures indicate saturated air.
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