Question 1

If water vapor comprises 3.5 percent of an air parcel whose total pressure is 1000 mb,the water vapor pressure would be​

Accepted Answer

A) 1035 mb. 
B) 35 mb. 
C) ​350 mb. 
D) ​965 mb. 
E) ​3500 mb. 
A) 1035 mb. 
B) 35 mb. 
C) ​350 mb. 
D) ​965 mb. 
E) ​3500 mb.

Question 2

Suppose the dew point of cold outside air is the same as the dew point of the air indoors.If the door is opened and cold air replaces some of the warm air,then the new relative humidity indoors would be​

Accepted Answer

A) lower than before. 
B) higher than before. 
C) ​the same as before. 
D) ​impossible to tell from the information given 
E) ​zero 
A) lower than before. 
B) higher than before. 
C) ​the same as before. 
D) ​impossible to tell from the information given 
E) ​zero

Question 3

The time of day when the relative humidity reaches a maximum value is usually​

Accepted Answer

A) at the time when the air temperature is highest. 
B) in the middle of the afternoon. 
C) ​at the time when the air temperature is lowest. 
D) ​just before sunrise. 
E) ​about midnight. 
A) at the time when the air temperature is highest. 
B) in the middle of the afternoon. 
C) ​at the time when the air temperature is lowest. 
D) ​just before sunrise. 
E) ​about midnight.

Question 4

The ice-to-vapor phase change is called ____________________.If a water vapor molecule should attach itself to an ice crystal,the vapor-to-ice phase change is called ____________________.

Accepted Answer

sublimatio

Question 5

Why is the wet-bulb temperature a good measure of how cool human skin can become?

Accepted Answer

The wet-bulb temperature is the lowest t

Question 6

Hot and humid summer days usually feel ____________________ than hot and dry summer days.

Accepted Answer

The answer of Hot and humid summer days usually feel...

Question 7

The relative humidity is often near 100 percent in polar regions.

Accepted Answer

A) True 
 B)False

Question 8

In the liquid state,water molecules are ____ in the gaseous state.​

Accepted Answer

A) further apart than 
B) the same distance apart as 
C) ​double the distance apart as 
D) ​three times the distance apart as 
E) ​closer together than 
A) further apart than 
B) the same distance apart as 
C) ​double the distance apart as 
D) ​three times the distance apart as 
E) ​closer together than

Question 9

Condensation differs from precipitation,because during precipitation water vapor is removed from the atmosphere,whereas during condensation solid or liquid water is removed from the atmosphere.

Accepted Answer

A) True 
 B)False

Question 10

The primary factors that influence evaporation are ____________________,____________________,and ____________________.

Accepted Answer

temperature;relative humidity;wind
tempe

Question 11

The heat index (HI)is used by the National Weather Service,and combines ____ with ____ to determine an apparent temperature.​

Accepted Answer

A) dew point temperature;mixing ratio 
B) mixing ratio;saturation vapor pressure 
C) ​actual vapor pressure;specific humidity 
D) ​air temperature;relative humidity 
E) ​air temperature;specific humidity 
A) dew point temperature;mixing ratio 
B) mixing ratio;saturation vapor pressure 
C) ​actual vapor pressure;specific humidity 
D) ​air temperature;relative humidity 
E) ​air temperature;specific humidity

Question 12

The partial pressure of water vapor is called the ____.​

Accepted Answer

A) real vapor pressure 
B) true vapor pressure 
C) ​actual vapor pressure 
D) ​actual water pressure 
E) ​true liquid pressure 
A) real vapor pressure 
B) true vapor pressure 
C) ​actual vapor pressure 
D) ​actual water pressure 
E) ​true liquid pressure

Question 13

If very cold air is brought indoors and warmed with no change in its moisture content,the saturation vapor pressure of this air will ____________________ and the relative humidity of this air will ____________________.

Accepted Answer

The answer of If very cold air is brought indoors...

Question 14

The percentage of water vapor present in the air compared to that required for saturation is the​

Accepted Answer

A) mixing ratio. 
B) absolute humidity. 
C) ​dew point. 
D) ​relative humidity. 
E) ​specific humidity. 
A) mixing ratio. 
B) absolute humidity. 
C) ​dew point. 
D) ​relative humidity. 
E) ​specific humidity.

Question 15

A sling psychrometer directly measures the relative humidity.

Accepted Answer

A) True 
 B)False

Question 16

____________________ represents the water vapor density (mass/ volume)in a parcel of air,and normally,is expressed as grams of water vapor in a cubic meter of air.

Accepted Answer

The answer of ____________________ represents the water vapor density (mass/...

Question 17

If the air temperature remains constant,evaporating water into the air will ____ the dew point and ____ the relative humidity.​

Accepted Answer

A) increase;increase 
B) increase;decrease 
C) ​decrease;increase 
D) ​decrease;decrease 
E) ​not change;not change 
A) increase;increase 
B) increase;decrease 
C) ​decrease;increase 
D) ​decrease;decrease 
E) ​not change;not change

Question 18

The specific humidity and mixing ratio of an air parcel remain constant as long as water vapor is not added to or removed from the parcel.

Accepted Answer

A) True 
 B)False

Question 19

The ____________________ temperature is the temperature to which air would have to be cooled (with no change in air pressure or moisture content)for saturation to occur.

Accepted Answer

The answer of The ____________________ temperature is the temperature to...

Question 20

What physiological effects might you experience during very humid and very dry conditions?

Accepted Answer

When the weather is hot and humid,the bo

If water vapor comprises 3.5 percent of an air parcel whose total pressure is 1000 mb,the water vapor pressure would be

Suppose the dew point of cold outside air is the same as the dew point of the air indoors.If the door is opened and cold air replaces some of the warm air,then the new relative humidity indoors would be

The time of day when the relative humidity reaches a maximum value is usually

The ice-to-vapor phase change is called .If a water vapor molecule should attach itself to an ice crystal,the vapor-to-ice phase change is called .

Why is the wet-bulb temperature a good measure of how cool human skin can become?

Hot and humid summer days usually feel ____________________ than hot and dry summer days.

The relative humidity is often near 100 percent in polar regions.

In the liquid state,water molecules are ____ in the gaseous state.

Condensation differs from precipitation,because during precipitation water vapor is removed from the atmosphere,whereas during condensation solid or liquid water is removed from the atmosphere.

The primary factors that influence evaporation are ,,and .

The heat index (HI)is used by the National Weather Service,and combines with to determine an apparent temperature.

The partial pressure of water vapor is called the ____.

If very cold air is brought indoors and warmed with no change in its moisture content,the saturation vapor pressure of this air will and the relative humidity of this air will .

The percentage of water vapor present in the air compared to that required for saturation is the

A sling psychrometer directly measures the relative humidity.

____________________ represents the water vapor density (mass/ volume)in a parcel of air,and normally,is expressed as grams of water vapor in a cubic meter of air.

If the air temperature remains constant,evaporating water into the air will the dew point and the relative humidity.

The specific humidity and mixing ratio of an air parcel remain constant as long as water vapor is not added to or removed from the parcel.

The ____________________ temperature is the temperature to which air would have to be cooled (with no change in air pressure or moisture content)for saturation to occur.

What physiological effects might you experience during very humid and very dry conditions?

Earth and Its Atmosphere

Energy - Warming the Earth and the Atmosphere

Seasonal and Daily Temperatures

Condensation Dew Fog and Clouds

Stability and Cloud Development

Precipitation

Air Pressure and Winds

Wind Small Scale and Local Systems

Wind Global Systems

Air Masses and Fronts

Middle Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light Color and Atmospheric Optics

Filters

Exam 4: Atmospheric Humidity

If water vapor comprises 3.5 percent of an air parcel whose total pressure is 1000 mb,the water vapor pressure would be​

Suppose the dew point of cold outside air is the same as the dew point of the air indoors.If the door is opened and cold air replaces some of the warm air,then the new relative humidity indoors would be​

The time of day when the relative humidity reaches a maximum value is usually​

The ice-to-vapor phase change is called ____________________.If a water vapor molecule should attach itself to an ice crystal,the vapor-to-ice phase change is called ____________________.

Why is the wet-bulb temperature a good measure of how cool human skin can become?

Hot and humid summer days usually feel ____________________ than hot and dry summer days.

The relative humidity is often near 100 percent in polar regions.

In the liquid state,water molecules are ____ in the gaseous state.​

Condensation differs from precipitation,because during precipitation water vapor is removed from the atmosphere,whereas during condensation solid or liquid water is removed from the atmosphere.

The primary factors that influence evaporation are ____________________,____________________,and ____________________.

The heat index (HI)is used by the National Weather Service,and combines ____ with ____ to determine an apparent temperature.​

The partial pressure of water vapor is called the ____.​

If very cold air is brought indoors and warmed with no change in its moisture content,the saturation vapor pressure of this air will ____________________ and the relative humidity of this air will ____________________.

The percentage of water vapor present in the air compared to that required for saturation is the​

A sling psychrometer directly measures the relative humidity.

____________________ represents the water vapor density (mass/ volume)in a parcel of air,and normally,is expressed as grams of water vapor in a cubic meter of air.

If the air temperature remains constant,evaporating water into the air will ____ the dew point and ____ the relative humidity.​

The specific humidity and mixing ratio of an air parcel remain constant as long as water vapor is not added to or removed from the parcel.

The ____________________ temperature is the temperature to which air would have to be cooled (with no change in air pressure or moisture content)for saturation to occur.

What physiological effects might you experience during very humid and very dry conditions?

Earth and Its Atmosphere

Energy - Warming the Earth and the Atmosphere

Seasonal and Daily Temperatures

Condensation Dew Fog and Clouds

Stability and Cloud Development

Precipitation

Air Pressure and Winds

Wind Small Scale and Local Systems

Wind Global Systems

Air Masses and Fronts

Middle Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light Color and Atmospheric Optics

Filters

If water vapor comprises 3.5 percent of an air parcel whose total pressure is 1000 mb,the water vapor pressure would be

Suppose the dew point of cold outside air is the same as the dew point of the air indoors.If the door is opened and cold air replaces some of the warm air,then the new relative humidity indoors would be

The time of day when the relative humidity reaches a maximum value is usually

The ice-to-vapor phase change is called .If a water vapor molecule should attach itself to an ice crystal,the vapor-to-ice phase change is called .

In the liquid state,water molecules are ____ in the gaseous state.

The primary factors that influence evaporation are ,,and .

The heat index (HI)is used by the National Weather Service,and combines with to determine an apparent temperature.

The partial pressure of water vapor is called the ____.

If very cold air is brought indoors and warmed with no change in its moisture content,the saturation vapor pressure of this air will and the relative humidity of this air will .

The percentage of water vapor present in the air compared to that required for saturation is the

If the air temperature remains constant,evaporating water into the air will the dew point and the relative humidity.