Psychrometer is used to measure:: (A) Humidity, (B) Air velocity, (C) Air temperature, (D) Radiant heat
Answer is A. AIR HUMIDITY Air humidity is moisture content of air Air humidity can be measured by: Dry and wet bulb thermometer Hygrometer- most widely used. Sling/ whirling psychrometer Assman psychrometer Assman psychrometer Air temperature: Six's maximum-minimum thermometer measures maximum & minimum air temperatures reached over a period of time.