Question 1

Neglecting friction,the speed and direction of the horizontal wind are determined by:

Accepted Answer

A)  temperature and humidity.
B)  viscosity and turbulence.
C)  pressure gradient and Coriolis.
D)  gravity and humidity.
E)  only gravity.F) All of the above
G) B) and C)

Question 2

Cyclonic airflow is characterized by:

Accepted Answer

A)  divergence aloft and convergence at the surface.
B)  convergence aloft and divergence at the surface.
C)  divergence both at the surface and aloft.
D)  convergence both at the surface and aloft.E) None of the above
F) A) and D)

Question 3

The Coriolis effect influences the wind by:

Accepted Answer

A)  decreasing the wind speed.
B)  changing the direction of the wind.
C)  increasing the wind speed.
D)  starting the air motion.E) A) and C)
F) C) and D)

Question 4

The most important force causing the air's motion is due to the earth's rotation.

Accepted Answer

A) True 
 B)False

Question 5

The force that generates wind is:

Accepted Answer

A)  pressure gradient force.
B)  friction.
C)  gravity.
D)  Coriolis force.
E)  centrifugal force.F) C) and D)
G) A) and C)

Question 6

A steep pressure gradient indicates strong winds.

Accepted Answer

A) True 
 B)False

Question 7

The most fundamental reason for all atmospheric motions is the non-uniform heating of the earth by the Sun.

Accepted Answer

A) True 
 B)False

Question 8

A steep pressure gradient:

Accepted Answer

A)  produces light winds.
B)  produces strong winds.
C)  is only possible in the tropics.
D)  would be depicted by widely spaced isobars.E) A) and C)
F) A) and B)

Question 9

If air pressure is reduced by one-half for every five-kilometer increase in altitude,what would be the air pressure at a height of 25 kilometers as a fraction of sea-level air pressure?

Accepted Answer

A)  1/32
B)  1/8
C)  1/64
D)  1/4
E)  1/16F) C) and D)
G) B) and D)

Question 10

Cyclones are characterized by converging surface winds and rising air.

Accepted Answer

A) True 
 B)False

Question 11

When geostrophic conditions exist in the atmosphere,the net force on the moving air is:

Accepted Answer

A)  called a centrifugal force.
B)  zero.
C)  large when the wind speed is slow.
D)  called a centripetal force.
E)  large since the wind speed is fast.F) A) and B)
G) A) and E)

Question 12

Air pressure is exerted in all directions.

Accepted Answer

A) True 
 B)False

Question 13

-Refer to the map above.The black lines on the map are called ________ and they represent lines of equal ________.

Accepted Answer

A)  isobars;pressure
B)  isotherms;temperature
C)  isotherms;pressure
D)  isodrosotherms;humidityE) A) and C)
F) A) and B)

Question 14

The addition of water vapor will cause the density of air to:

Accepted Answer

A)  decrease.
B)  increase.
C)  stay the same.
D)  vary widely in a horizontal direction.E) A) and C)
F) C) and D)

Question 15

According to researchers at University of Colorado Denver,what was the most important factor in the high number of home runs at Coors Field?

Accepted Answer

A)  The predominant summer wind direction is in favor of the batter.
B)  The thin air allows the ball to fly further.
C)  The lower temperatures help athletes not to overheat.
D)  The thin air allows the batter to obtain better auditory cues about the pitch.E) B) and C)
F) A) and C)

Question 16

-Identify the choice above that represents low pressure center in the Northern Hemisphere.

Accepted Answer

A)  graph a
B)  graph b
C)  graph c
D)  both a and b
E)  none of theseF) A) and B)
G) C) and D)

Question 17

The sea breeze is a simple thermal circulation that does not involve a pressure gradient.

Accepted Answer

A) True 
 B)False

Question 18

What is a limitation of an altimeter that pilots must account for?

Accepted Answer

A)  It has a low battery life at high altitudes.
B)  Its readings may be too low or too high if the temperature varies from the expected.
C)  Corrections are not as accurate at low levels as they are at higher levels.
D)  They can't ever be used to determine altitude - only pressure.E) A) and D)
F) All of the above

Question 19

Friction at the surface results in a stronger Coriolis force.

Accepted Answer

A) True 
 B)False

Question 20

The main cause of the sea breeze is the unequal heating of land and water.

Accepted Answer

A) True 
 B)False

Exam 6: Air Pressure and Winds

The sea breeze is a simple thermal circulation that does not involve a pressure gradient.

Correct AnswerverifiedShow Answer

Neglecting friction,the speed and direction of the horizontal wind are determined by:

Correct AnswerverifiedShow Answer

The most important force causing the air's motion is due to the earth's rotation.

Correct AnswerverifiedShow Answer

Friction at the surface results in a stronger Coriolis force.

Correct AnswerverifiedShow Answer

If air pressure is reduced by one-half for every five-kilometer increase in altitude,what would be the air pressure at a height of 25 kilometers as a fraction of sea-level air pressure?

Correct AnswerverifiedShow Answer

The force that generates wind is:

Correct AnswerverifiedShow Answer

A steep pressure gradient:

Correct AnswerverifiedShow Answer

The main cause of the sea breeze is the unequal heating of land and water.

Correct AnswerverifiedShow Answer

The most fundamental reason for all atmospheric motions is the non-uniform heating of the earth by the Sun.

Correct AnswerverifiedShow Answer

-Refer to the map above.The black lines on the map are called ________ and they represent lines of equal ________.

Correct AnswerverifiedShow Answer

Cyclones are characterized by converging surface winds and rising air.

Correct AnswerverifiedShow Answer

When geostrophic conditions exist in the atmosphere,the net force on the moving air is:

Correct AnswerverifiedShow Answer

A steep pressure gradient indicates strong winds.

Correct AnswerverifiedShow Answer

Cyclonic airflow is characterized by:

Correct AnswerverifiedShow Answer

-Identify the choice above that represents low pressure center in the Northern Hemisphere.

Correct AnswerverifiedShow Answer

The addition of water vapor will cause the density of air to:

Correct AnswerverifiedShow Answer

What is a limitation of an altimeter that pilots must account for?

Correct AnswerverifiedShow Answer

According to researchers at University of Colorado Denver,what was the most important factor in the high number of home runs at Coors Field?

Correct AnswerverifiedShow Answer

The Coriolis effect influences the wind by:

Correct AnswerverifiedShow Answer

Air pressure is exerted in all directions.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

-Refer to the map above.The black lines on the map are called and they represent lines of equal .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified