Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of _______________ humidity?
Correct answer: A. Molal
- A. Molal
- B. Relative
- C. Percentage
- D. None of these
Explanation
Standard humidity charts plot humidity ratio or molal humidity against dry-bulb temperature, so the ordinate gives the amount of water vapour per amount of dry air. Relative or percentage humidity requires an additional saturation comparison.
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