Question 1

Moist air from the Gulf of Mexico moves west toward the Rocky Mountains,forming ________ fog.

Accepted Answer

The answer of Moist air from the Gulf of Mexico...

Question 2

When compared to a curved surface,saturation vapor pressures for water over a flat surface are:

Accepted Answer

A) equal. 
B) more. 
C) less. 
D) not comparable. 
E) none of the above 
A) equal. 
B) more. 
C) less. 
D) not comparable. 
E) none of the above

Question 3

Saturation:

Accepted Answer

A) is a state of disequilibrium. 
B) occurs when the condensation rate equals the evaporation rate. 
C) requires the presence of other gases besides water vapor. 
D) occurs even when there are still substantial fluctuations in the concentration of water vapor above the surface. 
A) is a state of disequilibrium. 
B) occurs when the condensation rate equals the evaporation rate. 
C) requires the presence of other gases besides water vapor. 
D) occurs even when there are still substantial fluctuations in the concentration of water vapor above the surface.

Question 4

If air starts out with a temperature of 18oC with a dew point of 10oC,an ascent of ________ is necessary for the air to become saturated.

Accepted Answer

A) 500 m 
B) 800 m 
C) 1000 m 
D) 1200 m 
A) 500 m 
B) 800 m 
C) 1000 m 
D) 1200 m

Question 5

Advection fog:

Accepted Answer

A) is responsible for the Tule fog of the Central Valley of California. 
B) occurs when warm air passes over a cool surface. 
C) rarely travels more than 100 meters from its point of origin. 
D) is the result of adiabatic cooling. 
A) is responsible for the Tule fog of the Central Valley of California. 
B) occurs when warm air passes over a cool surface. 
C) rarely travels more than 100 meters from its point of origin. 
D) is the result of adiabatic cooling.

Question 6

Which of the following is not a factor in determining the amount of water vapor at one specific point in the atmosphere?

Accepted Answer

A) local evaporation 
B) horizontal transport of moisture 
C) aerosol concentration 
D) vertical transport of moisture 
A) local evaporation 
B) horizontal transport of moisture 
C) aerosol concentration 
D) vertical transport of moisture

Question 7

To calculate relative humidity,you need to know the specific humidity and the ________.

Accepted Answer

saturation

Question 8

A temperature of 90oF with 70% relative humidity?[INSERT TABLE 5-5.]

Accepted Answer

A) feels like 106oF but is not considered dangerous 
B) feels like 106oF and is considered dangerous 
C) feels like 83oF but is not considered dangerous 
D) feels like 83oF and is considered dangerous 
A) feels like 106oF but is not considered dangerous 
B) feels like 106oF and is considered dangerous 
C) feels like 83oF but is not considered dangerous 
D) feels like 83oF and is considered dangerous

Question 9

This type of fog is NOT the result of air cooling to the dew point:

Accepted Answer

A) radiation fog. 
B) advection fog. 
C) upslope fog. 
D) steam fog. 
A) radiation fog. 
B) advection fog. 
C) upslope fog. 
D) steam fog.

Question 10

When air within a cloud begins to sink,it

Accepted Answer

A) cools at the dry adiabatic lapse rate 
B) warms at the dry adiabatic lapse rate 
C) cools at the saturated adiabatic lapse rate 
D) warms at the saturated adiabatic lapse rate 
A) cools at the dry adiabatic lapse rate 
B) warms at the dry adiabatic lapse rate 
C) cools at the saturated adiabatic lapse rate 
D) warms at the saturated adiabatic lapse rate

Question 11

The vapor pressure of a volume of air depends on:

Accepted Answer

A) the temperature of the water vapor molecules. 
B) the density of water vapor molecules. 
C) A and B. 
D) none of the above 
A) the temperature of the water vapor molecules. 
B) the density of water vapor molecules. 
C) A and B. 
D) none of the above

Question 12

If an unsaturated air parcel with a temperature of 20oC rises,forms a non-precipitating cloud,then returns to its original altitude,

Accepted Answer

A) the parcel's final temperature will be less than 20 oC 
B) the parcel's final temperature will be exactly 20 oC 
C) the parcel's final temperature will be greater than 20 oC 
A) the parcel's final temperature will be less than 20 oC 
B) the parcel's final temperature will be exactly 20 oC 
C) the parcel's final temperature will be greater than 20 oC

Question 13

The residence time of water in the atmosphere is about:

Accepted Answer

A) 12 hours. 
B) 1 day. 
C) 10 days. 
D) 100 days. 
A) 12 hours. 
B) 1 day. 
C) 10 days. 
D) 100 days.

Question 14

The hair hygrometer:

Accepted Answer

A) uses hairs from dogs, usually golden retrievers. 
B) takes advantage of the ability of hair to respond to changes in humidity. 
C) was popular in the nineteenth century, but is no longer used today. 
D) requires swinging the instrument around one's head for at least a minute. 
A) uses hairs from dogs, usually golden retrievers. 
B) takes advantage of the ability of hair to respond to changes in humidity. 
C) was popular in the nineteenth century, but is no longer used today. 
D) requires swinging the instrument around one's head for at least a minute.

Question 15

Which of the following pairs of change-of-state processes bypass the liquid state of water?

Accepted Answer

A) freezing and melting 
B) sublimation and deposition 
C) evaporation and condensation 
D) none of the above 
A) freezing and melting 
B) sublimation and deposition 
C) evaporation and condensation 
D) none of the above

Question 16

When saturation occurs below 0 degrees Centigrade:

Accepted Answer

A) dew forms. 
B) frost forms. 
C) nothing forms. Moisture becomes inert. 
D) the relative humidity becomes undefined. 
A) dew forms. 
B) frost forms. 
C) nothing forms. Moisture becomes inert. 
D) the relative humidity becomes undefined.

Question 17

The relative humidity can increase or decrease even though the water vapor content doesn't change because:

Accepted Answer

A) relative humidity is tied to the amount of dry air present in the sample considered. 
B) water vapor is a locally conservative property of the atmosphere. 
C) relative humidity is directly dependent on cloud cover. 
D) relative humidity is temperature dependent. 
A) relative humidity is tied to the amount of dry air present in the sample considered. 
B) water vapor is a locally conservative property of the atmosphere. 
C) relative humidity is directly dependent on cloud cover. 
D) relative humidity is temperature dependent.

Question 18

Air that contains as much water as it can hold:

Accepted Answer

A) is very heavy. 
B) cannot be lifted very high. 
C) is saturated. 
D) has a very low relative humidity. 
A) is very heavy. 
B) cannot be lifted very high. 
C) is saturated. 
D) has a very low relative humidity.

Question 19

As the temperature increases,generally,the relative humidity:

Accepted Answer

A) is erratic. 
B) decreases. 
C) increases. 
D) is unaffected. 
A) is erratic. 
B) decreases. 
C) increases. 
D) is unaffected.

Question 20

Condensation nuclei:

Accepted Answer

A) do not include hygroscopic aerosols. 
B) by definition do not dissolve in water. 
C) are relatively abundant in the atmosphere. 
D) typically originate as micrometeors from space. 
A) do not include hygroscopic aerosols. 
B) by definition do not dissolve in water. 
C) are relatively abundant in the atmosphere. 
D) typically originate as micrometeors from space.

Moist air from the Gulf of Mexico moves west toward the Rocky Mountains,forming ________ fog.

When compared to a curved surface,saturation vapor pressures for water over a flat surface are:

Saturation:

If air starts out with a temperature of 18^oC with a dew point of 10^oC,an ascent of ________ is necessary for the air to become saturated.

Advection fog:

Which of the following is not a factor in determining the amount of water vapor at one specific point in the atmosphere?

To calculate relative humidity,you need to know the specific humidity and the ________.

A temperature of 90oF with 70% relative humidity?[INSERT TABLE 5-5.]

This type of fog is NOT the result of air cooling to the dew point:

When air within a cloud begins to sink,it

The vapor pressure of a volume of air depends on:

If an unsaturated air parcel with a temperature of 20^oC rises,forms a non-precipitating cloud,then returns to its original altitude,

The residence time of water in the atmosphere is about:

The hair hygrometer:

Which of the following pairs of change-of-state processes bypass the liquid state of water?

When saturation occurs below 0 degrees Centigrade:

The relative humidity can increase or decrease even though the water vapor content doesn't change because:

Air that contains as much water as it can hold:

As the temperature increases,generally,the relative humidity:

Condensation nuclei:

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Pressure and Wind

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Lightning, thunder, and Tornadoes

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

Atmospheric Optics Online Only in Masteringmeteorology

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Exam 5: Atmospheric Moisture

Moist air from the Gulf of Mexico moves west toward the Rocky Mountains,forming ________ fog.

When compared to a curved surface,saturation vapor pressures for water over a flat surface are:

Saturation:

If air starts out with a temperature of 18oC with a dew point of 10oC,an ascent of ________ is necessary for the air to become saturated.

Advection fog:

Which of the following is not a factor in determining the amount of water vapor at one specific point in the atmosphere?

To calculate relative humidity,you need to know the specific humidity and the ________.

A temperature of 90oF with 70% relative humidity?[INSERT TABLE 5-5.]

This type of fog is NOT the result of air cooling to the dew point:

When air within a cloud begins to sink,it

The vapor pressure of a volume of air depends on:

If an unsaturated air parcel with a temperature of 20oC rises,forms a non-precipitating cloud,then returns to its original altitude,

The residence time of water in the atmosphere is about:

The hair hygrometer:

Which of the following pairs of change-of-state processes bypass the liquid state of water?

When saturation occurs below 0 degrees Centigrade:

The relative humidity can increase or decrease even though the water vapor content doesn't change because:

Air that contains as much water as it can hold:

As the temperature increases,generally,the relative humidity:

Condensation nuclei:

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Pressure and Wind

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Lightning, thunder, and Tornadoes

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

Atmospheric Optics Online Only in Masteringmeteorology

Filters

If air starts out with a temperature of 18^oC with a dew point of 10^oC,an ascent of ________ is necessary for the air to become saturated.

If an unsaturated air parcel with a temperature of 20^oC rises,forms a non-precipitating cloud,then returns to its original altitude,