Absolute and Relative Humidity

Q. The amount of water vapour present in the air is called ______.

1. Cirrus
2. Condensation
3. Humidity
4. Precipitation

Q. What is humidity?

1. The amount of water vapour in the air.
2. The amount of pressure in the air.
3. The amount of coriolis force in the air.
4. The amount of water in the air.

Q. How is relative humidity expressed?

1. Percentage
2. Gram per cubic meter
3. Milligram per cubic meter
4. Kilogram per meter

Q. The temperature at which saturation occurs in a given sample of air is known as ______.

1. Dew point
2. Humidity
3. Condensation
4. Stratus

Q. The temperature at which saturation occurs in a given sample of air is known as point.

1. boiling
2. dew
3. triple
4. melting

Q. is the actual amount of the water vapour in grams present in one cubic meter volume of air.

1. Precipitate
2. Sublimate
3. Absolute humidity
4. Relative humidity

Q.

Define the following terms: Atmospheric humidity.

Q. Absolute Humidity is the actual amount of the ____ in grams present in one cubic meter volume of air.

1. Liquid
2. Gas
3. Water Vapour
4. Solid

Q. What is the effect of increase in temperature on relative humidity?

1. Falls below zero
2. Decreases
3. Increases
4. Remains stable

Q. If a room with the air of volume 30 $m^3$ at $50°C$ can hold at max 900 grams of water vapour and if the actual amount of water vapour it holds is 450 grams of water, which of the following option would be true?

1. Relative Humidity would be = 50%
2. Actual Humidity would be = 30 $\frac{g}{m^3}$
3. Actual Humidity would be = 15 $\frac{g}{m^3}$
4. Relative Humidity would be = 150%

Q. Choose the best option based on the four statements given below.

1. Saturation level is the point at which the relative humidity is 70%.

2. Orographic rainfall is more commonly seen in mountainous regions.

3. Cumulus clouds are formed at a height of 4, 000 to 7, 000 m.

4. Temperature does not affect the humidity of a place.

1. Only 2 and 3 are correct.
2. Only 3 and 4 are correct.
3. Only 1 and 2 are correct.
4. Only 1 and 3 are correct.

Q. The volume of air inside a cylinder is $5m^3$. The amount of water vapour in the cylinder is 500 g. What is the absolute humidity inside the cylinder?

1. $250g/m^3$
2. $100m^3/g$
3. $100g/m^3$
4. $250m^3/g$

Q. Air is filled in a cylinder that has a height of 30cm and a radius of 4cm. The air that is inside the cylinder contains 500 gm of water vapour.

What is the absolute humidity inside the cylinder?

1. $221.7x{10}^{3}g/m^3$
2. $200x{10}^{-}3g/m^3$
3. $331.7x{10}^{-}3g/m^3$
4. $331.7x{10}^{3}g/m^3$

Q. Air containing moisture is trapped inside a sphere of radius of 2m. The air inside the sphere has an absolute humidity of $250g/m^3$.

What is the amount of water vapour present inside the sphere?

1. 8000 g of water vapour
2. 8375 g of water vapour
3. 2000 g of water vapour
4. 2375 g of water vapour

Q. Absolute humidity is always expressed in percentage.

1. True
2. False

Q. Absolute humidity is always expressed in percentage.

1. True
2. False

Q. How is relative humidity expressed?

1. Percentage
2. Kilogram per meter
3. Gram per cubic meter
4. Milligram per cubic meter

Q.

what is humidity define it

Q. Humidity is the amount of water vapour present in the air.

1. True
2. False

Q. If I say that the volume of a particular patch of air is 3 cubic meters and the total weight of water vapour present in this patch is 150 grams, then, the absolute humidity turns out to be ___.

1. $50g/m^3$
2. $100g/m^3$
3. $150g/m^3$
4. $200g/m^3$

Q. What is the effect of increase in temperature on relative humidity?

1. Falls below zero
2. Increases
3. Decreases
4. Remains stable

Q. The table below shows the relative humidity of a city over 5 days. On which day, did the city experience heavy rains?

1	2	3	4	5
60%	40%	62%	98%	74%

1. 1^st day
2. 2^nd day
3. 4^th day
4. 5^th day

Q. With regards to humidity, which of the following can be the consequence of increase in temperature of the air?

1. The water vapour holding capacity will decrease.
2. The water vapour holding capacity will increase.
3. The water vapour holding capacity will fluctuate.
4. There is no relation between the temperature and the water vapour holding capacity of air.