When using a psychrometer and the two temperatures read nearly the same, you can conclude that ________.
A) your instrument reading is accurate
B) a change in temperature is likely
C) the dew point temperature is very low
D) the air has a high relative humidity

Question

Quizplus · Accepted Answer

The purpose of a psychrometer is to measure relative humidity, which is determined by comparing the dry bulb temperature (regular air temperature) to the wet bulb temperature (temperature with a wet wick around the thermometer). If the two temperatures are nearly the same, it indicates that the air has a high relative humidity, meaning there is a lot of moisture in the air and it may feel humid or sticky.

When Using a Psychrometer and the Two Temperatures Read Nearly