Multiple choice

What is the RH when the difference in wet & dry bulb are 7 and the dry-bulb temp is 18?

  1. 48%

  2. 4%

  3. 17%

  4. 40%
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Using the Relative Humidity chart in the Earth Science Reference Tables, locate the dry-bulb temperature of 18 degrees C on the left axis. Follow this row to the column representing a difference of 7 degrees C, which gives a relative humidity of 40%.

Keep practicing — related questions