Humidity, Dew and Fog

Q.

________ is the atmospheric moisture.

Q. Rain is falling vertically in downward sense. A bowl is kept below the falling rain and rainwater gets accumulated in it. Now, if air is blowing in horizontal sense, will there be any change in rate of accumulation of rain water in the bowl?

Q. The trail behind a jet plane in sky is called .

1. Contrail
2. Smoke
3. Wind

Q. Humidity at dew point is %.

1. \N
2. 50
3. 90
4. 100

Q. Air in the atmosphere feels dry, when the humidity is high.

1. True
2. False

Q. Dew drops are formed in winters on glass panes of car due to condensation of water vapour.

1. False
2. True

Q. Usually, days are coldest in the morning.

1. False
2. True

Q. The amount of water vapour present in air is defined using ______.

1. density
2. humidity
3. susceptibility
4. hydrophobicity

Q. Humidity is given by the ratio of to .

1. water vapour mass
2. air mass
3. air volume
4. water vapour volume

Q. The moisture in the atmosphere is called______.

1. density
2. humidity
3. viscosity
4. salinity

Q.

Which of the following is eating up most your electricity bill while running the AC during a humid monsoon day in Hawaii?

1. Both latent and sensible heat
2. Sensible heat
3. Specific heat
4. Latent heat

Q.

Water contained in a metallic water bottle is an example of:

1. Isolated system

2. Closed system

3. None

4. Open system