Question 1

Which part of the United States has the least annual variability of precipitation?

Accepted Answer

A)   the eastern United States
B)   the Great Plains
C)   the Rocky Mountains
D)   the western United States
E)   All areas have close to equal precipitation variability.

Question 2

In the "Ice Crystal Formation" process, precipitation occurs because ice crystals

Accepted Answer

A)   melt as they fall.
B)   form from raindrops.
C)   grow at the expense of raindrops.
D)   hook together.
E)   have a low specific heat.

Question 3

Relative humidity is a measure of how close air is to saturation.

Accepted Answer

A) True 
 B)False

Question 4

The Bergeron process is also known as the ________ process.

Accepted Answer

A)   acid rain formation
B)   ice crystal formation
C)   collision/coalescence
D)   hail
E)   glaze

Question 5

Collision/coalescence is the precipitation process most closely associated with the tropics.

Accepted Answer

A) True 
 B)False

Question 6

A precipitation variability map would show which of the following areas of the U.S. to have the most variable precipitation?

Accepted Answer

A)   the northeast
B)   the southwest
C)   the Great Plains
D)   the southeast
E)   the northwest

Question 7

Saturated air is forced down the leeward side of a mountain. On its way down the air undergoes warming because of compression. What is the rate at which the air will heat up?

Accepted Answer

A)   20°C per 1,000m of descent
B)   10°C per 1,000m of descent
C)   6°C per 1,000m of descent
D)   1°C per 1,000m of descent
E)   Unknown in advance

Question 8

Most clouds do not produce precipitation.

Accepted Answer

A) True 
 B)False

Question 9

In the atmosphere, some liquid water exists until the temperature lowers below ________ degrees Celsius.

Accepted Answer

A)   40
B)   10
C)   -0
D)   -10
E)   -40

Question 10

Liquid water that has cooled below the dew point becomes ________.

Accepted Answer

A)   stable
B)   supercooled
C)   unstable
D)   foggy
E)   violent

Question 11

Which of the following is closely associated with acid rain?

Accepted Answer

A)   high pH
B)   motor vehicle exhaust
C)   ozone
D)   the western United States
E)   all of the above

Question 12

Precipitation and evaporation are part of the hydrologic cycle.

Accepted Answer

A) True 
 B)False

Question 13

Hail is associated with the absence of updrafts in large thunderstorms.

Accepted Answer

A) True 
 B)False

Question 14

The amount of water vapor expressed as the mass of water vapor in a given mass of air is ________.

Accepted Answer

A)   relative humidity
B)   specific humidity
C)   dew point
D)   absolute humidity
E)   pressure gradient

Question 15

Showery precipitation is most closely associated with ________.

Accepted Answer

A)   cirrus clouds
B)   stable air
C)   non-buoyant air
D)   sinking air
E)   unstable air

Question 16

Cold air moving over a warmer lake surface will result in a(n)  ________ type of fog.

Accepted Answer

A)   advection
B)   radiation
C)   evaporation
D)   convection
E)   none of the above

Question 17

Air containing all of the water vapor it can hold is ________.

Accepted Answer

A)   adiabatic
B)   saturated
C)   dew point
D)   unstable
E)   convective

Question 18

How warm or cold it feels to us is the ________ temperature.

Accepted Answer

A)   dew point
B)   sensible
C)   latent
D)   common
E)   adiabatic

Question 19

Any location's annual precipitation total is closely related to the uplift of air at that location.

Accepted Answer

A) True 
 B)False

Question 20

The average lapse rate in the troposphere ________.

Accepted Answer

A)   is 10°C per 1,000m
B)   is quite variable by time and region
C)   describes temperatures in adiabatic air
D)   is proof that temperatures usually increase with altitude
E)   is about the same as the dry adiabatic lapse rate

Exam 6: Atmospheric Moisture

Most clouds do not produce precipitation.

Correct AnswerverifiedShow Answer

Air containing all of the water vapor it can hold is ________.

Correct AnswerverifiedShow Answer

Which of the following is closely associated with acid rain?

Correct AnswerverifiedShow Answer

Cold air moving over a warmer lake surface will result in a(n) ________ type of fog.

Correct AnswerverifiedShow Answer

In the atmosphere, some liquid water exists until the temperature lowers below ________ degrees Celsius.

Correct AnswerverifiedShow Answer

Precipitation and evaporation are part of the hydrologic cycle.

Correct AnswerverifiedShow Answer

A precipitation variability map would show which of the following areas of the U.S. to have the most variable precipitation?

Correct AnswerverifiedShow Answer

Collision/coalescence is the precipitation process most closely associated with the tropics.

Correct AnswerverifiedShow Answer

How warm or cold it feels to us is the ________ temperature.

Correct AnswerverifiedShow Answer

Relative humidity is a measure of how close air is to saturation.

Correct AnswerverifiedShow Answer

Hail is associated with the absence of updrafts in large thunderstorms.

Correct AnswerverifiedShow Answer

Liquid water that has cooled below the dew point becomes ________.

Correct AnswerverifiedShow Answer

Which part of the United States has the least annual variability of precipitation?

Correct AnswerverifiedShow Answer

The amount of water vapor expressed as the mass of water vapor in a given mass of air is ________.

Correct AnswerverifiedShow Answer

The Bergeron process is also known as the ________ process.

Correct AnswerverifiedShow Answer

Any location's annual precipitation total is closely related to the uplift of air at that location.

Correct AnswerverifiedShow Answer

The average lapse rate in the troposphere ________.

Correct AnswerverifiedShow Answer

Saturated air is forced down the leeward side of a mountain. On its way down the air undergoes warming because of compression. What is the rate at which the air will heat up?

Correct AnswerverifiedShow Answer

Showery precipitation is most closely associated with ________.

Correct AnswerverifiedShow Answer

In the "Ice Crystal Formation" process, precipitation occurs because ice crystals

Correct AnswerverifiedShow Answer

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