Atmospheric Humidity

Atmospheric Humidity

Multiple Choice Exam Questions

1. If a glass of water was surrounded by saturated air,

a. the level of the water in the glass would slowly decrease.

b. the water's temperature would slowly increase.

c. the level of the water in the glass would not change.

d. the water's temperature would slowly decrease.

ANSWER: C

2. When the air is saturated, which of the following statements is NOT correct?

a. The air temperature equals the wet-bulb temperature.

b. The relative humidity is 100 percent.

c. The air temperature equals the dew point temperature.

d. An increase in temperature will cause condensation to occur.

e. The wet bulb temperature equals the dew point temperature.

ANSWER: D

3. As the air temperature increases, the air's capacity for water vapor

a. increases.

b. decreases.

c. remains constant.

d. is unrelated to air temperature and can either increase or decrease.

ANSWER: A

4. The total mass of water vapor stored in the atmosphere at any moment is about ____ of the world's supply of precipitation.

a. 1 day

b. 1 week

c. 1 month

d. 1 year

ANSWER: B

5. If the amount of water vapor in the atmosphere remains constant, the humidity

a. cannot change.

b. must change.

c. might change, depending on which measure of humidity is used.

d. will only change if we're using absolute humidity as the measure of humidity.

ANSWER: D

6. The density of water vapor in a given parcel of air is expressed by the

a. absolute humidity.

b. relative humidity.

c. mixing ratio.

d. specific humidity.

e. saturation vapor pressure.

ANSWER: A

7. Which of the following will increase in a rising parcel of air?

a. saturation vapor pressure

b. relative humidity

c. mixing ratio

d. air temperature

e. none of the above

ANSWER: B

8. Which of the following will decrease in a rising parcel of air?

a. relative humidity

b. absolute humidity

c. specific humidity

d. all of the above

ANSWER: B

9. The ratio...