Question 1

The main reason why vegetables take longer to cook in boiling water at high altitudes is because

Accepted Answer

A)  water boils at a higher temperature with higher altitude. 
B)  the temperature of the boiling water decreases with increasing altitude. 
C)  there is less oxygen in the air at high altitude. 
D)  saturation vapor pressure decreases with increasing altitude. 
A)  water boils at a higher temperature with higher altitude. 
B)  the temperature of the boiling water decreases with increasing altitude. 
C)  there is less oxygen in the air at high altitude. 
D)  saturation vapor pressure decreases with increasing altitude. B

Question 2

As the air temperature increases,with no addition of water vapor to the air,the dew point will

Accepted Answer

A)  remain the same. 
B)  increase. 
C)  decrease. 
D)  increase and become equal to the air temperature. 
A)  remain the same. 
B)  increase. 
C)  decrease. 
D)  increase and become equal to the air temperature. A

Question 3

The lowest temperature that can be attained by evaporating water into the air is known as the

Accepted Answer

A)  heat index. 
B)  minimum temperature. 
C)  wet-bulb temperature. 
D)  frost point. 
E)  wind chill temperature. 
A)  heat index. 
B)  minimum temperature. 
C)  wet-bulb temperature. 
D)  frost point. 
E)  wind chill temperature. C

Question 4

Suppose saturated polar air has an air temperature and dew point of -10°C,and unsaturated desert air has an air temperature of 35°C and a dew point of 10°C.The desert air contains ____ water vapor and has a ____ relative humidity than the polar air.

Accepted Answer

A)  more,lower 
B)  more,higher 
C)  less,lower 
D)  less,higher 
A)  more,lower 
B)  more,higher 
C)  less,lower 
D)  less,higher

Question 5

Evaporative coolers are primarily used in climates where the summers are

Accepted Answer

A)  hot and humid. 
B)  hot and dry. 
C)  cold and humid. 
D)  cold and dry. 
A)  hot and humid. 
B)  hot and dry. 
C)  cold and humid. 
D)  cold and dry.

Question 6

Suppose it is snowing outside and the air is saturated.The air temperature and dew point are both 15°F,and the actual vapor pressure is 3 mb.If this air is brought indoors and warmed to 75°F,what would the relative humidity of this air be,assuming that its moisture content does not change? (The saturation vapor pressure at 75°F is 30 mb).

Accepted Answer

A)  5 percent 
B)  10 percent 
C)  30 percent 
D)  50 percent 
E)  100 percent 
A)  5 percent 
B)  10 percent 
C)  30 percent 
D)  50 percent 
E)  100 percent

Question 7

Which of the following will increase the relative humidity in a home during the winter?

Accepted Answer

A)  increasing the thermostat setting 
B)  lowering the temperature of the air inside the home 
C)  sealing the house against drafts 
D)  taking a shower and letting the air circulate through the home 
A)  increasing the thermostat setting 
B)  lowering the temperature of the air inside the home 
C)  sealing the house against drafts 
D)  taking a shower and letting the air circulate through the home

Question 8

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

Accepted Answer

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. 
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.

Question 9

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. 
A)  1035 mb. 
B)  35 mb. 
C)  350 mb. 
D)  965 mb.

Question 10

When the air temperature is below freezing,the saturation vapor pressure over water is

Accepted Answer

A)  equal to zero. 
B)  less than the saturation vapor pressure over ice. 
C)  greater than the saturation vapor pressure over ice. 
D)  equal to the saturation vapor pressure over ice. 
A)  equal to zero. 
B)  less than the saturation vapor pressure over ice. 
C)  greater than the saturation vapor pressure over ice. 
D)  equal to the saturation vapor pressure over ice.

Question 11

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

Accepted Answer

A)  1 day 
B)  1 week 
C)  1 month 
D)  1 year 
A)  1 day 
B)  1 week 
C)  1 month 
D)  1 year

Question 12

Exhibit 4-1
The following four questions refer to the temperature and dew point data in the following cities:
  
-Refer to Exhibit 4-1.Which city has the highest relative humidity?

Accepted Answer

A)  City A 
B)  City B 
C)  City C 
D)  City D 
A)  City A 
B)  City B 
C)  City C 
D)  City D

Question 13

Which of the following is the BEST indicator of the actual amount of water vapor in the air?

Accepted Answer

A)  air temperature 
B)  saturatin vapor pressure 
C)  relative humidity 
D)  dew point temperature 
A)  air temperature 
B)  saturatin vapor pressure 
C)  relative humidity 
D)  dew point temperature

Question 14

When the air temperature increases,the saturation vapor pressure will

Accepted Answer

A)  increase. 
B)  decrease. 
C)  remain the same. 
D)  vary over an increasingly broad range of values. 
A)  increase. 
B)  decrease. 
C)  remain the same. 
D)  vary over an increasingly broad range of values.

Question 15

How could you heat air without decreasing its relative humidity?

Accepted Answer

To heat air without decreasing its relat

Question 16

In order to reduce evaporation and conserve water,do you think it would be better to water a lawn in the early morning or early evening?

Accepted Answer

The answer of In order to reduce evaporation and conserve...

Question 17

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

Accepted Answer

A)  absolute humidity. 
B)  relative humidity. 
C)  mixing ratio. 
D)  specific humidity. 
E)  saturation vapor pressure. 
A)  absolute humidity. 
B)  relative humidity. 
C)  mixing ratio. 
D)  specific humidity. 
E)  saturation vapor pressure.

Question 18

The instrument that measures humidity by measuring the amount of radiant energy absorbed by water vapor is the

Accepted Answer

A)  electrical hygrometer. 
B)  infrared hygrometer. 
C)  sling psychrometer. 
D)  hair hygrometer. 
E)  dew cell. 
A)  electrical hygrometer. 
B)  infrared hygrometer. 
C)  sling psychrometer. 
D)  hair hygrometer. 
E)  dew cell.

Question 19

Using the concept of supercooled water,explain why ice cubes sometimes feel "sticky" when taking them out of the freezer.

Accepted Answer

The answer of Using the concept of supercooled water,explain why...

Question 20

Bespectacled people know that when entering a warm building after being outdoors in subfreezing temperatures,condensation occurs on the lenses of their glasses.Why doesn't condensation occur on the lenses when they go outside after a lengthy stay inside the warm building?

Accepted Answer

Condensation occurs when warm, moist air

The main reason why vegetables take longer to cook in boiling water at high altitudes is because

As the air temperature increases,with no addition of water vapor to the air,the dew point will

The lowest temperature that can be attained by evaporating water into the air is known as the

Suppose saturated polar air has an air temperature and dew point of -10°C,and unsaturated desert air has an air temperature of 35°C and a dew point of 10°C.The desert air contains water vapor and has a relative humidity than the polar air.

Evaporative coolers are primarily used in climates where the summers are

Which of the following will increase the relative humidity in a home during the winter?

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

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

When the air temperature is below freezing,the saturation vapor pressure over water is

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

Exhibit 4-1 The following four questions refer to the temperature and dew point data in the following cities: -Refer to Exhibit 4-1.Which city has the highest relative humidity?

Which of the following is the BEST indicator of the actual amount of water vapor in the air?

When the air temperature increases,the saturation vapor pressure will

How could you heat air without decreasing its relative humidity?

In order to reduce evaporation and conserve water,do you think it would be better to water a lawn in the early morning or early evening?

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

The instrument that measures humidity by measuring the amount of radiant energy absorbed by water vapor is the

Using the concept of supercooled water,explain why ice cubes sometimes feel "sticky" when taking them out of the freezer.

Bespectacled people know that when entering a warm building after being outdoors in subfreezing temperatures,condensation occurs on the lenses of their glasses.Why doesn't condensation occur on the lenses when they go outside after a lengthy stay inside the warm building?

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 and Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light, Color, and Atmospheric Optics

Filters

Exam 4: Atmospheric Humidity

The main reason why vegetables take longer to cook in boiling water at high altitudes is because

As the air temperature increases,with no addition of water vapor to the air,the dew point will

The lowest temperature that can be attained by evaporating water into the air is known as the

Suppose saturated polar air has an air temperature and dew point of -10°C,and unsaturated desert air has an air temperature of 35°C and a dew point of 10°C.The desert air contains ____ water vapor and has a ____ relative humidity than the polar air.

Evaporative coolers are primarily used in climates where the summers are

Which of the following will increase the relative humidity in a home during the winter?

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

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

When the air temperature is below freezing,the saturation vapor pressure over water is

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

Exhibit 4-1 The following four questions refer to the temperature and dew point data in the following cities: -Refer to Exhibit 4-1.Which city has the highest relative humidity?

Which of the following is the BEST indicator of the actual amount of water vapor in the air?

When the air temperature increases,the saturation vapor pressure will

How could you heat air without decreasing its relative humidity?

In order to reduce evaporation and conserve water,do you think it would be better to water a lawn in the early morning or early evening?

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

The instrument that measures humidity by measuring the amount of radiant energy absorbed by water vapor is the

Using the concept of supercooled water,explain why ice cubes sometimes feel "sticky" when taking them out of the freezer.

Bespectacled people know that when entering a warm building after being outdoors in subfreezing temperatures,condensation occurs on the lenses of their glasses.Why doesn't condensation occur on the lenses when they go outside after a lengthy stay inside the warm building?

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 and Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light, Color, and Atmospheric Optics

Filters

Suppose saturated polar air has an air temperature and dew point of -10°C,and unsaturated desert air has an air temperature of 35°C and a dew point of 10°C.The desert air contains water vapor and has a relative humidity than the polar air.