Question 1

A geostrophic wind:

Accepted Answer

A) follows the pressure gradient force. 
B) curves around to flow toward its original source. 
C) flows perpendicular to the pressure gradient force. 
D) is usually not affected by the Coriolis force. 
A) follows the pressure gradient force. 
B) curves around to flow toward its original source. 
C) flows perpendicular to the pressure gradient force. 
D) is usually not affected by the Coriolis force.

Question 2

According to the equation of state p =  ρRT,

Accepted Answer

A) an increase in pressure requires an increase in density or temperature or both 
B) an increase in pressure requires an increase in both density and temperature 
C) an increase in pressure requires a decrease in density or temperature or both 
D) an increase in pressure requires a decrease in both density and temperature 
A) an increase in pressure requires an increase in density or temperature or both 
B) an increase in pressure requires an increase in both density and temperature 
C) an increase in pressure requires a decrease in density or temperature or both 
D) an increase in pressure requires a decrease in both density and temperature

Question 3

Which of the following units of pressure measurement is used by Canadian meteorologists?

Accepted Answer

A) inches of mercury 
B) pounds per square inch 
C) kilopascals 
D) millibars 
A) inches of mercury 
B) pounds per square inch 
C) kilopascals 
D) millibars

Question 4

Which of the following is a correct approximation of average sea-level atmospheric pressure?

Accepted Answer

A) 1013.2 millibars 
B) 31 inches of mercury 
C) 99 kilopascals 
D) 20 pounds per square inch 
A) 1013.2 millibars 
B) 31 inches of mercury 
C) 99 kilopascals 
D) 20 pounds per square inch

Question 5

Geostrophic flow:

Accepted Answer

A) undergoes a constant, or near constant, acceleration. 
B) occurs when the pressure gradient force equals the Coriolis force. 
C) occurs in atmospheric levels with substantial friction. 
D) can occur in all levels of the atmosphere. 
A) undergoes a constant, or near constant, acceleration. 
B) occurs when the pressure gradient force equals the Coriolis force. 
C) occurs in atmospheric levels with substantial friction. 
D) can occur in all levels of the atmosphere.

Question 6

Upper-level pressure height charts are produced how many times a day by the National Weather Service?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 7

Mercury barometers:

Accepted Answer

A) use mercury because it has a low density. 
B) are more cumbersome than water barometers. 
C) give direct measurements in millibars. 
D) are inverted into a pool of mercury. 
A) use mercury because it has a low density. 
B) are more cumbersome than water barometers. 
C) give direct measurements in millibars. 
D) are inverted into a pool of mercury.

Question 8

An elongated zone of low pressure is known as a ________.

Accepted Answer

The answer of An elongated zone of low pressure is...

Question 9

This is the pressure that would result if a given observation point were at sea level: ________.

Accepted Answer

The answer of This is the pressure that would result...

Question 10

If surface pressure readings were plotted on weather maps,they would give a false representation of the atmosphere because

Accepted Answer

A) high elevations have higher surface pressures than low elevations, even if the sea-level pressures are the same 
B) high elevations have lower surface pressures than low elevations, even if the sea-level pressures are the same 
C) the surface pressure at high elevations is often greater than sea-level pressure 
D) the surface pressure at high elevations is often the same as sea-level pressure 
A) high elevations have higher surface pressures than low elevations, even if the sea-level pressures are the same 
B) high elevations have lower surface pressures than low elevations, even if the sea-level pressures are the same 
C) the surface pressure at high elevations is often greater than sea-level pressure 
D) the surface pressure at high elevations is often the same as sea-level pressure

Question 11

The difference between a north-northeasterly wind of 20o and a north-northwesterly wind of 340o is

Accepted Answer

A) 20o 
B) 40 o 
C) 320 o 
D) 360 o 
A) 20o 
B) 40 o 
C) 320 o 
D) 360 o

Question 12

Given that the circumference of a circle is 360 degrees,it follows that the earth rotates about this many degrees per hour:

Accepted Answer

A) 10. 
B) 15. 
C) 36. 
D) 360. 
A) 10. 
B) 15. 
C) 36. 
D) 360.

Question 13

In the figure,winds at the 500-mb level are

Accepted Answer

A) stronger near the Atlantic coast because the height contours are farther apart 
B) weaker near the Atlantic coast because the height contours are farther apart 
C) weaker near the Atlantic coast because the height contours are closer together 
D) stronger near the Atlantic coast because the height contours are closer together 
A) stronger near the Atlantic coast because the height contours are farther apart 
B) weaker near the Atlantic coast because the height contours are farther apart 
C) weaker near the Atlantic coast because the height contours are closer together 
D) stronger near the Atlantic coast because the height contours are closer together

Question 14

The relationship between air pressure and elevation is nonlinear because:

Accepted Answer

A) air is compressible. 
B) air pressure changes with elevation. 
C) the equation of state is an exponential function. 
D) There is no clear relationship between temperature and elevation. 
A) air is compressible. 
B) air pressure changes with elevation. 
C) the equation of state is an exponential function. 
D) There is no clear relationship between temperature and elevation.

Question 15

The Coriolis force:

Accepted Answer

A) is constant. 
B) affects the direction of motion. 
C) affects the speed of motion. 
D) is caused by pressure gradient forces. 
A) is constant. 
B) affects the direction of motion. 
C) affects the speed of motion. 
D) is caused by pressure gradient forces.

Question 16

Why is good weather usually associated with anticyclones?

Accepted Answer

Air diverges from an anticyclo

Question 17

Sea level pressure:

Accepted Answer

A) is usually less than surface pressure. 
B) is used in the United States, but not in Canada. 
C) is used to correct for elevation differences at different locations. 
D) usually disregards the effect of temperature on air pressure. 
A) is usually less than surface pressure. 
B) is used in the United States, but not in Canada. 
C) is used to correct for elevation differences at different locations. 
D) usually disregards the effect of temperature on air pressure.

Question 18

Compare and contrast the important properties of cyclones and anticyclones.

Accepted Answer

Enclosed areas of high pressure marked b

Question 19

Which of the following connects points of equal atmospheric pressure?

Accepted Answer

A) isohyets 
B) isobars 
C) isotherms 
D) isotachs 
A) isohyets 
B) isobars 
C) isotherms 
D) isotachs

Question 20

The Equation of State (Ideal Gas Law)gives a relationship between:

Accepted Answer

A) pressure and wind speed. 
B) pressure, temperature, and wind speed. 
C) pressure, density, and temperature. 
D) pressure, moisture content, and density. 
E) none of the above 
A) pressure and wind speed. 
B) pressure, temperature, and wind speed. 
C) pressure, density, and temperature. 
D) pressure, moisture content, and density. 
E) none of the above

A geostrophic wind:

According to the equation of state p = ρRT,

Which of the following units of pressure measurement is used by Canadian meteorologists?

Which of the following is a correct approximation of average sea-level atmospheric pressure?

Geostrophic flow:

Upper-level pressure height charts are produced how many times a day by the National Weather Service?

Mercury barometers:

An elongated zone of low pressure is known as a ________.

This is the pressure that would result if a given observation point were at sea level: ________.

If surface pressure readings were plotted on weather maps,they would give a false representation of the atmosphere because

The difference between a north-northeasterly wind of 20^o and a north-northwesterly wind of 340^o is

Given that the circumference of a circle is 360 degrees,it follows that the earth rotates about this many degrees per hour:

In the figure,winds at the 500-mb level are

The relationship between air pressure and elevation is nonlinear because:

The Coriolis force:

Why is good weather usually associated with anticyclones?

Sea level pressure:

Compare and contrast the important properties of cyclones and anticyclones.

Which of the following connects points of equal atmospheric pressure?

The Equation of State (Ideal Gas Law)gives a relationship between:

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Moisture

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Lightning, thunder, and Tornadoes

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

Atmospheric Optics Online Only in Masteringmeteorology

Filters

Exam 4: Atmospheric Pressure and Wind

A geostrophic wind:

According to the equation of state p = ρRT,

Which of the following units of pressure measurement is used by Canadian meteorologists?

Which of the following is a correct approximation of average sea-level atmospheric pressure?

Geostrophic flow:

Upper-level pressure height charts are produced how many times a day by the National Weather Service?

Mercury barometers:

An elongated zone of low pressure is known as a ________.

This is the pressure that would result if a given observation point were at sea level: ________.

If surface pressure readings were plotted on weather maps,they would give a false representation of the atmosphere because

The difference between a north-northeasterly wind of 20o and a north-northwesterly wind of 340o is

Given that the circumference of a circle is 360 degrees,it follows that the earth rotates about this many degrees per hour:

In the figure,winds at the 500-mb level are

The relationship between air pressure and elevation is nonlinear because:

The Coriolis force:

Why is good weather usually associated with anticyclones?

Sea level pressure:

Compare and contrast the important properties of cyclones and anticyclones.

Which of the following connects points of equal atmospheric pressure?

The Equation of State (Ideal Gas Law)gives a relationship between:

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Moisture

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Lightning, thunder, and Tornadoes

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

Atmospheric Optics Online Only in Masteringmeteorology

Filters

The difference between a north-northeasterly wind of 20^o and a north-northwesterly wind of 340^o is