Humidity MCQ Quiz - Multiple Choice Questions & Answers

1. A psychrometer is

1. A hair element instrument
2. A wet and dry bulb humidity instrument
3. An instrument that senses psychological disturbances
4. An instrument that reads directly in dew point

2. A device used to measure humidity is called a

1. Psychrometer
2. Hygrometer
3. Both
4. None

3. All of the following statements are true except

1. Relative humidity of a mass of air falls if temperature of the air rises
2. Air is saturated when its relative humidity is 100%
3. When air subsides its relative humidity decreases
4. The relative humidity of a mass of air remains constant when the air crosses over a cold land surface from a warm water surface

4. Amount of water vapor in air is regarded as

1. water vapor
2. humidity
3. mildness
4. pressure

5. Amount of water vapour in air is regarded as

1. water vapour
2. Humidity
3. Mildness
4. Pressure

6. Because of which one of the following factors, clouds do not precipitate in deserts?

1. Low pressure
2. Low humidity
3. High wind velocity
4. High temperature

7. Condensation is a process which occurs when

1. temperature falls below 0 degree Centigrate
2. absolute humidity becomes equal to relative humidity
3. temperature in the air parcel remains static
4. relative humidity becomes 100% and more

8. Dew point normally occurs when a mass of air has relative humidity of

1. 50%
2. 75%
3. 80%
4. 100%

9. Factor influencing humidity includes

1. temperature
2. pressure
3. water
4. osmosis

10. Humidity is the result of

1. Evapouration
2. Transpiration
3. Presence of heat
4. Presence of moisture content in the air