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Q. |
Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as: |
A. | Mixing ratio |
B. | Relative humidity |
C. | Absolute humidity |
D. | Specific humidity |
Answer» C. Absolute humidity | |
Explanation: The relative humidity of air at a given temperature is the ratio of mass of water vapour actually present in a certain volume of air to the mass of water vapour required to saturate the same volume of air at the same temperature, multiplied by 100. |
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