Question 1

The Bergeron process may result in snow or rain.

Accepted Answer

A) True 
 B)False

Question 2

Atmospheric electricity is believed to play an import role in the collision- coalescence process.

Accepted Answer

A) True 
 B)False

Question 3

A halo around the Sun or the Moon indicates the cloud__________ is present.

Accepted Answer

A)   nimbostratus
B)   cumulonimbus
C)   cirrostratus
D)   cirrus
E)   altostratusF) B) and C)
G) A) and B)

Question 4

Freezing nuclei are part of the collision- coalescence process.

Accepted Answer

A) True 
 B)False

Question 5

At - 15°C, clouds contain both ice crystals and supercooled water droplets.

Accepted Answer

A) True 
 B)False

Question 6

Describe the atmospheric conditions that produce sleet, freezing rain, and hail.

Accepted Answer

Hail is produced inside cumulonimbus clo...

Question 7

Lenticular clouds form most frequently on the windward sides of mountains.

Accepted Answer

A) True 
 B)False

Question 8

How does drizzle differ from rain?

Accepted Answer

A)   It has a smaller diameter.
B)   It forms at higher altitudes.
C)   It is warmer.
D)   It is evaporating before it hits the ground.E) A) and B)
F) None of the above

Question 9

List the two requirements that a cumulonimbus cloud must meet if hail is to form.

Accepted Answer

Strong vertical moti...

Question 10

The primary motivation for hail suppression experiments is:

Accepted Answer

A)   to prevent or lessen damage to crops and property.
B)   to generate more rain and less hail in order to supplement the water supply.
C)   to reduce loss of human life in severe hail storms.
D)   to protect endangered species living in hail- prone areas.E) All of the above
F) C) and D)

Question 11

Hygroscopic nuclei:

Accepted Answer

A)   are not generally found in nature.
B)   are not the most ideal type of condensation nuclei for encouraging droplet growth.
C)   repel water and prevent condensation.
D)   can allow cloud droplets to form even if the relative humidity is less than 100%.E) A) and D)
F) None of the above

Question 12

When a 'trace of precipitation' has been reported, it means that no more than 0.025 inches of rain has fallen.

Accepted Answer

A) True 
 B)False

Question 13

Which association is correct?

Accepted Answer

A)   vertical cloud...nimbostratus
B)   high cloud...altostratus
C)   low cloud...cirrocumulus
D)   low cloud...stratus
E)   middle cloud...cirrusF) A) and D)
G) A) and E)

Question 14

If you want to have a good snowball fight, you should wait for a day when it is snowing and:

Accepted Answer

A)   the dew point is below - 10°C.
B)   the snow is very powdery.
C)   the temperature is above - 5°C (23°F) .
D)   the temperature is below - 5°C (23°F) .E) None of the above
F) A) and B)

Question 15

When will an ascending parcel of air begin to condense into a cloud?

Accepted Answer

When it has cooled t...

Question 16

Graupel forms when rime collects on ice crystals in a cloud.

Accepted Answer

A) True 
 B)False

Question 17

Frost tends to form when the surface dew point temperature is below freezing.

Accepted Answer

A) True 
 B)False

Question 18

Cloud seeding can sometimes be used to disperse fog.

Accepted Answer

A) True 
 B)False

Question 19

How do evaporation fogs differ from other types of fog?

Accepted Answer

A)   They are created when the air is cooled down to the saturation point.
B)   They are created through adiabatic cooling.
C)   They only occur when the air is stationary over a surface with a similar temperature.
D)   They are created when water vapor is added to the air.E) B) and D)
F) B) and C)

Question 20

The large droplets in a cloud are the least likely to form precipitation.

Accepted Answer

A) True 
 B)False

Exam 5: Forms of Condensation and Precipitation

Cloud seeding can sometimes be used to disperse fog.

Correct AnswerverifiedShow Answer

Hygroscopic nuclei:

Correct AnswerverifiedShow Answer

List the two requirements that a cumulonimbus cloud must meet if hail is to form.

Correct AnswerverifiedStrong vertical moti...View AnswerShow Answer

The large droplets in a cloud are the least likely to form precipitation.

Correct AnswerverifiedShow Answer

How do evaporation fogs differ from other types of fog?

Correct AnswerverifiedShow Answer

Frost tends to form when the surface dew point temperature is below freezing.

Correct AnswerverifiedShow Answer

Describe the atmospheric conditions that produce sleet, freezing rain, and hail.

Correct AnswerverifiedHail is produced inside cumulonimbus clo...View AnswerShow Answer

If you want to have a good snowball fight, you should wait for a day when it is snowing and:

Correct AnswerverifiedShow Answer

When will an ascending parcel of air begin to condense into a cloud?

Correct AnswerverifiedWhen it has cooled t...View AnswerShow Answer

A halo around the Sun or the Moon indicates the cloud__________ is present.

Correct AnswerverifiedShow Answer

Graupel forms when rime collects on ice crystals in a cloud.

Correct AnswerverifiedShow Answer

Atmospheric electricity is believed to play an import role in the collision- coalescence process.

Correct AnswerverifiedShow Answer

Which association is correct?

Correct AnswerverifiedShow Answer

Freezing nuclei are part of the collision- coalescence process.

Correct AnswerverifiedShow Answer

The primary motivation for hail suppression experiments is:

Correct AnswerverifiedShow Answer

The Bergeron process may result in snow or rain.

Correct AnswerverifiedShow Answer

How does drizzle differ from rain?

Correct AnswerverifiedShow Answer

Lenticular clouds form most frequently on the windward sides of mountains.

Correct AnswerverifiedShow Answer

When a 'trace of precipitation' has been reported, it means that no more than 0.025 inches of rain has fallen.

Correct AnswerverifiedShow Answer

At - 15°C, clouds contain both ice crystals and supercooled water droplets.

Correct AnswerverifiedShow Answer

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Strong vertical moti...
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Hail is produced inside cumulonimbus clo...
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When it has cooled t...
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