Humidity of air can be determined by a__________________?
Correct answer: B. Sling psychrometer
- A. Chromatograph
- B. Sling psychrometer
- C. Mass spectrometer
- D. Polarimeter
Explanation
A sling psychrometer uses wet-bulb and dry-bulb temperatures to determine relative humidity and other humidity properties of air. The other instruments are used for composition, mass, or optical measurements.
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