Question 1

When a mass of cold air collides with a mass of warm air,what happens?

Accepted Answer

A)  The cold air is warmed and the warm air is cooled by their mixing.
B)  The cold air rises above the warm air.
C)  The warm air rises above the cold air.
D)  The boundary between the two air masses keeps them separate,and they do not interact in any way.

Question 2

Which of the following is not a mechanism that will cause air to rise?

Accepted Answer

A)  convective cooling
B)  conduction cooling
C)  orographic lifting
D)  frontal Wedging
E)  convergence

Question 3

-What is the relative humidity for the above conditions at 25°C?

Accepted Answer

A)  30%
B)  100%
C)  15%
D)  70%

Question 4

Which of the following is not a type of fog caused by cooling of near surface air to below its dew point?

Accepted Answer

A)  radiation fog
B)  frontal fog
C)  advection fog
D)  upslope fog

Question 5

Which of the following cloud types is most commonly associated with precipitation?

Accepted Answer

A)  nimbostratus
B)  cirrocumulus
C)  cirrostratus
D)  altostratus

Question 6

The cloud form that is best described as sheets or layers that cover much or all of the sky is termed ________.

Accepted Answer

A)  cumulus
B)  stratus
C)  cirrus
D)  alto

Question 7

Under what circumstances could the relative humidity exceed 100% without producing condensation in the air?

Accepted Answer

A)  when the dew point is higher than the air temperature
B)  when the air is perfectly dry
C)  when the water vapor is composed of "heavy" water
D)  when there are no condensation nuclei

Question 8

When air is cooled to its dew point,the relative humidity is 100%.

Accepted Answer

A) True 
 B)False

Question 9

The Bergeron Process suggests that the coexistence of ice crystals and supercooled water droplets in a cloud is ideal for producing rain because ________.

Accepted Answer

A)  the ice crystals have a stronger affinity for water vapor than does liquid water.
B)  the ice crystals have a stronger affinity for liquid water than does water vapor
C)  the liquid water has a stronger affinity for water vapor than do ice crystals.
D)  the ice crystals provide nuclei needed to form more water droplets
E)  the ice crystals provide the nuclei for snowflakes to form as precipitation

Question 10

The Dry Adiabatic rate of change for unsaturated air is 10°C/1000 m.What does this mean?

Accepted Answer

A)  Saturated air will not change.
B)  Unsaturated air will get warmer or colder as it travels north or south.
C)  Unsaturated air will get warmer or colder as it travels in any direction.
D)  Unsaturated air will get warmer as it rises and colder as it sinks.
E)  Unsaturated air will get warmer as it sinks and colder as it rises.

Question 11

What is the important measure from weather radar that gives the intensity of the precipitation?

Accepted Answer

A)  brightness of the echo
B)  time of the echo
C)  number of echoes from a single point
D)  height of the echo
E)  none of the above

Question 12

Clouds are classified on the basis of their ________.

Accepted Answer

A)  thickness
B)  height
C)  shape or form
D)  form and height
E)  thickness and height

Question 13

The Coalescence-Collision Process applies to ________ .

Accepted Answer

A)  super cooled water vapor in a cloud
B)  coexisting ice and water droplets in a cloud
C)  warm clouds
D)  cold clouds

Exam 17: Moisture, clouds, and Precipitation

Clouds are classified on the basis of their ________.

Correct Answer
verified

The Dry Adiabatic rate of change for unsaturated air is 10°C/1000 m.What does this mean?

Correct Answer
verified

When air is cooled to its dew point,the relative humidity is 100%.

Correct Answer
verified

Which of the following is not a type of fog caused by cooling of near surface air to below its dew point?

Correct Answer
verified

Which of the following is not a mechanism that will cause air to rise?

Correct Answer
verified

When a mass of cold air collides with a mass of warm air,what happens?

Correct Answer
verified

The cloud form that is best described as sheets or layers that cover much or all of the sky is termed ________.

Correct Answer
verified

Under what circumstances could the relative humidity exceed 100% without producing condensation in the air?

Correct Answer
verified

The Coalescence-Collision Process applies to ________ .

Correct Answer
verified

-What is the relative humidity for the above conditions at 25°C?

Correct Answer
verified

What is the important measure from weather radar that gives the intensity of the precipitation?

Correct Answer
verified

Which of the following cloud types is most commonly associated with precipitation?

Correct Answer
verified

The Bergeron Process suggests that the coexistence of ice crystals and supercooled water droplets in a cloud is ideal for producing rain because ________.

Correct Answer
verified

Exam 17: Moisture, clouds, and Precipitation

Clouds are classified on the basis of their ________.

Correct AnswerverifiedShow Answer

The Dry Adiabatic rate of change for unsaturated air is 10°C/1000 m.What does this mean?

Correct AnswerverifiedShow Answer

When air is cooled to its dew point,the relative humidity is 100%.

Correct AnswerverifiedShow Answer

Which of the following is not a type of fog caused by cooling of near surface air to below its dew point?

Correct AnswerverifiedShow Answer

Which of the following is not a mechanism that will cause air to rise?

Correct AnswerverifiedShow Answer

When a mass of cold air collides with a mass of warm air,what happens?

Correct AnswerverifiedShow Answer

The cloud form that is best described as sheets or layers that cover much or all of the sky is termed ________.

Correct AnswerverifiedShow Answer

Under what circumstances could the relative humidity exceed 100% without producing condensation in the air?

Correct AnswerverifiedShow Answer

The Coalescence-Collision Process applies to ________ .

Correct AnswerverifiedShow Answer

-What is the relative humidity for the above conditions at 25°C?

Correct AnswerverifiedShow Answer

What is the important measure from weather radar that gives the intensity of the precipitation?

Correct AnswerverifiedShow Answer

Which of the following cloud types is most commonly associated with precipitation?

Correct AnswerverifiedShow Answer

The Bergeron Process suggests that the coexistence of ice crystals and supercooled water droplets in a cloud is ideal for producing rain because ________.

Correct AnswerverifiedShow Answer

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