Dew PointFor the following questions refer to the temperature and dew point data in the following cities:
CityAir Temperature (ºC)Dew Point (ºC)City A3524City B-12-12City C-1-6City D106Which of the following instruments uses wet-bulb and dry-bulb temperature to obtain relative humidity?

A. infrared hygrometer
B. hair hygrometer
C. sling psychrometer
D. electrical hygrometer


Answer: C

Environmental & Atmospheric Sciences

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