Humidity Multiple Choice Questions and Answers for Practice
Humidity MCQ Questions for Practice
16. Specific humidity is
Correct Answer is: It is the ratio of the mass of water vapour present to the total mass of air.
17. The actual moisture content of a sample of air as a percentage of that contained in the same volume of saturated air at the same temperature is called:
Correct Answer is: relative humidity
18. The instrument used for measuring relative humidity in air is
Correct Answer is: Hygrograph or psychrometer
19. The mass of water vapour divided by the mass of dry a in a volume of air at a given temperature is called
Correct Answer is: Absolute humidity
20. The quantity of water in a particular volume of air is called
Correct Answer is: Absolute humidity
21. The relative humidity of a region is low when
Correct Answer is: The difference between the readings of the wet and dry bulb thermometers is large
22. Water vapour has several very important functional roles on our planet. These are
Correct Answer is: All the above
23. What is relative humidity?
Correct Answer is: It is the ratio of specific humidity
24. Which of the following does not affect visibility on the ground?
Correct Answer is: dew
25. Which of the following instruments is used to measure humidity?
Correct Answer is: Sling Psychrometer
26. Which of the following is defined as the ratio of th partial pressure of water vapour in a parcel of air to the saturated vapour pressure of water vapour at a prescribe temperature?
Correct Answer is: Relative humidity
27. Which of the following is the temperature at which water vapour saturates from an air mass into liquid or solid usually forming rain, snow, frost, or dew?
Correct Answer is: Dew point
28. Which of the following statement is true
Correct Answer is: All the above
29. Which of the following statements is / are correct about convection?
Correct Answer is: All the above
30. Which term is used to describe the amount of water vapour that exists in a gaseous mixture of air and water vapour
