The amount of moisture in air can be measured by ______?
BPSC 5 Years Past Papers Subject Wise / All — Multiple-choice practice
ہوا میں نمی کی مقدار ______ کے ذریعہ ماپا جاسکتا ہے؟
- A. None of these
- B. Sling psychrometer
- C. Photometer
- D. Thermistor
Correct answer
Sling psychrometer
Explanation
Explanation A sling psychrometer measures humidity by comparing wet-bulb and dry-bulb temperatures. It is a simple, direct method to determine the moisture content in air.
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