Question 1

The formation of raindrops by collision and coalescence of smaller cloud droplets is strongly influenced by:

Accepted Answer

A)  number of droplets in the cloud. 
B)  presence of dust. 
C)  dew point temperature of the cloud. 
D)  electrical charges on the droplets. 
E)  solar radiation. 
A)  number of droplets in the cloud. 
B)  presence of dust. 
C)  dew point temperature of the cloud. 
D)  electrical charges on the droplets. 
E)  solar radiation.

Question 2

The largest hailstone ever recorded in the United States weighed over 5 pounds.

Accepted Answer

A) True 
 B)False

Question 3

What is the basic reason why condensation is not very important in causing a cloud droplet to grow to raindrop size?

Accepted Answer

A)  There are too many droplets competing for the available water vapor. 
B)  Not enough condensation nuclei are present. 
C)  Electrical effects limit condensation. 
D)  The question is incorrect; condensation is very important. 
A)  There are too many droplets competing for the available water vapor. 
B)  Not enough condensation nuclei are present. 
C)  Electrical effects limit condensation. 
D)  The question is incorrect; condensation is very important.

Question 4

Which of these is a mid- level cloud?

Accepted Answer

A)  cirrus 
B)  altostratus 
C)  stratocumulus 
D)  cumulus 
E)  stratus 
A)  cirrus 
B)  altostratus 
C)  stratocumulus 
D)  cumulus 
E)  stratus

Question 5

Contrails formed by aircrafts most closely mimic which type of cloud?

Accepted Answer

A)  cirrocumulus 
B)  stratus 
C)  fair- weather cumulus 
D)  cirrus 
A)  cirrocumulus 
B)  stratus 
C)  fair- weather cumulus 
D)  cirrus

Question 6

Frost prevention by air mixing requires that a temperature inversion be present in the air layer near the ground.

Accepted Answer

A) True 
 B)False

Question 7

You are flying in an airplane at 36,000 feet above sea level. You see lightning outside your plane window. The cloud that is close by is:

Accepted Answer

A)  cirrus. 
B)  altocumulus. 
C)  stratus. 
D)  cumulonimbus. 
E)  cumulus. 
A)  cirrus. 
B)  altocumulus. 
C)  stratus. 
D)  cumulonimbus. 
E)  cumulus.

Question 8

Cumulus clouds can develop as a consequence of local convection.

Accepted Answer

A) True 
 B)False

Question 9

Advection fogs form best when there is no wind.

Accepted Answer

A) True 
 B)False

Question 10

Snowfall depths can be tricky to measure because:

Accepted Answer

A)  there is no automated instrument capable of measuring snowfall. 
B)  snow usually melts too quickly once it reaches the surface. 
C)  it is difficult to locate instruments far enough away from buildings. 
D)  wind causes snow to vary in depth across the surface. 
A)  there is no automated instrument capable of measuring snowfall. 
B)  snow usually melts too quickly once it reaches the surface. 
C)  it is difficult to locate instruments far enough away from buildings. 
D)  wind causes snow to vary in depth across the surface.

Question 11

The process of cloud seeding is based on the theory that:

Accepted Answer

A)  silver iodide crystals make droplets heavier than usual so that they fall to the ground. 
B)  it is impossible to add too many freezing nuclei; the more you add, the more rain will fall. 
C)  silver iodide crystals act as freezing nuclei and enhance the Bergeron process. 
D)  warm clouds will produce more rain if droplets are encouraged to freeze inside the cloud. 
A)  silver iodide crystals make droplets heavier than usual so that they fall to the ground. 
B)  it is impossible to add too many freezing nuclei; the more you add, the more rain will fall. 
C)  silver iodide crystals act as freezing nuclei and enhance the Bergeron process. 
D)  warm clouds will produce more rain if droplets are encouraged to freeze inside the cloud.

Question 12

Sleet is essentially rain that freezes before reaching the surface.

Accepted Answer

A) True 
 B)False

Question 13

A cloud that forms liquid droplets has a relative humidity of 100 percent with respect to the liquid droplets. If temperature is <0°C and ice crystals form in this cloud, the relative humidity will be_________ with respect to the ice crystals.

Accepted Answer

A)  0 percent 
B)  100 percent 
C)  less that 100 percent 
D)  more than 100 percent 
A)  0 percent 
B)  100 percent 
C)  less that 100 percent 
D)  more than 100 percent

Question 14

Which cloud type is most likely to produce a brief yet intense period of precipitation?

Accepted Answer

The answer of Which cloud type is most likely to...

Question 15

Sleet is produced only when all of the air between the ground and the cloud has a temperature below freezing.

Accepted Answer

A) True 
 B)False

Question 16

Under some conditions, flying a helicopter just above a fog deck can help to disperse the fog.

Accepted Answer

A) True 
 B)False

Question 17

Steam fogs and frontal fogs are both types of ________fogs.

Accepted Answer

The answer of Steam fogs and frontal fogs are both...

Question 18

Thunder and lightning are associated with the________ cloud.

Accepted Answer

A)  cirrus 
B)  cirrostratus 
C)  nimbostratus 
D)  altostratus 
E)  cumulonimbus 
A)  cirrus 
B)  cirrostratus 
C)  nimbostratus 
D)  altostratus 
E)  cumulonimbus

Question 19

Most rainfall in the middle latitudes begins as snow formed through the Bergeron Process.

Accepted Answer

A) True 
 B)False

Question 20

The growth of a hailstone usually involves everything EXCEPT:

Accepted Answer

A)  being carried several times into the frozen region of the cloud by updrafts. 
B)  spontaneous freezing of large water droplets into hail stones. 
C)  the development of alternating layers of clear and cloudy ice. 
D)  ice pellets encountering supercooled water droplets. 
A)  being carried several times into the frozen region of the cloud by updrafts. 
B)  spontaneous freezing of large water droplets into hail stones. 
C)  the development of alternating layers of clear and cloudy ice. 
D)  ice pellets encountering supercooled water droplets.

The formation of raindrops by collision and coalescence of smaller cloud droplets is strongly influenced by:

The largest hailstone ever recorded in the United States weighed over 5 pounds.

What is the basic reason why condensation is not very important in causing a cloud droplet to grow to raindrop size?

Which of these is a mid- level cloud?

Contrails formed by aircrafts most closely mimic which type of cloud?

Frost prevention by air mixing requires that a temperature inversion be present in the air layer near the ground.

You are flying in an airplane at 36,000 feet above sea level. You see lightning outside your plane window. The cloud that is close by is:

Cumulus clouds can develop as a consequence of local convection.

Advection fogs form best when there is no wind.

Snowfall depths can be tricky to measure because:

The process of cloud seeding is based on the theory that:

Sleet is essentially rain that freezes before reaching the surface.

A cloud that forms liquid droplets has a relative humidity of 100 percent with respect to the liquid droplets. If temperature is <0°C and ice crystals form in this cloud, the relative humidity will be_________ with respect to the ice crystals.

Which cloud type is most likely to produce a brief yet intense period of precipitation?

Sleet is produced only when all of the air between the ground and the cloud has a temperature below freezing.

Under some conditions, flying a helicopter just above a fog deck can help to disperse the fog.

Steam fogs and frontal fogs are both types of ________fogs.

Thunder and lightning are associated with the________ cloud.

Most rainfall in the middle latitudes begins as snow formed through the Bergeron Process.

The growth of a hailstone usually involves everything EXCEPT:

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Moisture and Atmospheric Stability

Air Pressure and Winds

Circulation of the Atmosphere

Air Masses

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

The Changing Climate

World Climates

Optical Phenomena of the Atmosphere

Filters

Exam 5: Forms of Condensation and Precipitation

The formation of raindrops by collision and coalescence of smaller cloud droplets is strongly influenced by:

The largest hailstone ever recorded in the United States weighed over 5 pounds.

What is the basic reason why condensation is not very important in causing a cloud droplet to grow to raindrop size?

Which of these is a mid- level cloud?

Contrails formed by aircrafts most closely mimic which type of cloud?

Frost prevention by air mixing requires that a temperature inversion be present in the air layer near the ground.

You are flying in an airplane at 36,000 feet above sea level. You see lightning outside your plane window. The cloud that is close by is:

Cumulus clouds can develop as a consequence of local convection.

Advection fogs form best when there is no wind.

Snowfall depths can be tricky to measure because:

The process of cloud seeding is based on the theory that:

Sleet is essentially rain that freezes before reaching the surface.

A cloud that forms liquid droplets has a relative humidity of 100 percent with respect to the liquid droplets. If temperature is <0°C and ice crystals form in this cloud, the relative humidity will be_________ with respect to the ice crystals.

Which cloud type is most likely to produce a brief yet intense period of precipitation?

Sleet is produced only when all of the air between the ground and the cloud has a temperature below freezing.

Under some conditions, flying a helicopter just above a fog deck can help to disperse the fog.

Steam fogs and frontal fogs are both types of ________fogs.

Thunder and lightning are associated with the________ cloud.

Most rainfall in the middle latitudes begins as snow formed through the Bergeron Process.

The growth of a hailstone usually involves everything EXCEPT:

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Moisture and Atmospheric Stability

Air Pressure and Winds

Circulation of the Atmosphere

Air Masses

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

The Changing Climate

World Climates

Optical Phenomena of the Atmosphere

Filters