Question 1

Small mixing depths are associated with stable air.

Accepted Answer

A) True 
 B)False

Question 2

Inversions aloft are often developed in association with sinking air that characterizes slow-moving centers of high pressure.

Accepted Answer

A) True 
 B)False

Question 3

Particulate matter is categorized according to:

Accepted Answer

A)  its size.
B)  its source.
C)  its chemical components.
D)  its toxicity.E) C) and D)
F) A) and D)

Question 4

A reduction in visibility due to the absorption and scattering of light by air pollution is called:

Accepted Answer

A)  haze.
B)  smog.
C)  photochemical fog.
D)  particulate ocular reduction.E) B) and C)
F) B) and D)

Question 5

The single largest source of air pollutants is highway vehicles.

Accepted Answer

A) True 
 B)False

Question 6

Volatile organic compounds,a primary pollutant,are also called hydrocarbons.

Accepted Answer

A) True 
 B)False

Question 7

Generally,the greater the mixing depth,the better the air quality.

Accepted Answer

A) True 
 B)False  True

Question 8

As many as 12,000 people may have died as a direct or delayed result of the Great Smog of 1952..

Accepted Answer

A) True 
 B)False  True

Question 9

Forest fires triggered by lightning are one of many natural sources of air pollution.

Accepted Answer

A) True 
 B)False

Question 10

List two ways in which the wind acts to reduce air pollution.

Accepted Answer

a)transport of the pollutants ...

Question 11

Air pollution has only become an important urban problem in the last 75 years.

Accepted Answer

A) True 
 B)False

Question 12

Ozone:

Accepted Answer

A)  is a minor component of smog.
B)  increases crop yields.
C)  forms at a faster rate at night than in the day.
D)  is a result of photochemical reactions at the surface.E) B) and D)
F) A) and B)

Question 13

Between 1990 and 2009,emissions of the five major primary pollutants rose significantly.

Accepted Answer

A) True 
 B)False

Question 14

This category of air pollutants is emitted directly from identifiable sources and pollutes the air immediately upon being emitted.

Accepted Answer

A)  quaternary pollutants
B)  tertiary pollutants
C)  primary pollutants
D)  secondary pollutantsE) All of the above
F) A) and B)

Question 15

Of the primary air pollutants monitored by the EPA,which one is found above recommended levels in more U.S.counties than any other?

Accepted Answer

A)  ozone
B)  particulate matter
C)  carbon monoxide
D)  sulfur dioxideE) None of the above
F) All of the above

Question 16

The largest single air pollutant (in terms of the quantity emitted each year)is carbon monoxide.

Accepted Answer

A) True 
 B)False

Question 17

The vertical height reached by convective currents in the atmosphere is called:

Accepted Answer

A)  the convective inversion.
B)  the mixing depth.
C)  vertical transport potential.
D)  a temperature inversion.E) A) and C)
F) B) and D)

Question 18

Which one of the following is a major component of photochemical smog?

Accepted Answer

A)  ozone
B)  lead
C)  sulfur dioxide
D)  sootE) All of the above
F) A) and B) A

Question 19

When air pollution episodes occur they generally result from a dramatic increase in the output of pollutants.

Accepted Answer

A) True 
 B)False

Question 20

Inversions form most readily on sunny days.

Accepted Answer

A) True 
 B)False

Exam 13: Air Pollution

Small mixing depths are associated with stable air.

Correct AnswerverifiedShow Answer

Inversions aloft are often developed in association with sinking air that characterizes slow-moving centers of high pressure.

Correct AnswerverifiedShow Answer

Particulate matter is categorized according to:

Correct AnswerverifiedShow Answer

A reduction in visibility due to the absorption and scattering of light by air pollution is called:

Correct AnswerverifiedShow Answer

The single largest source of air pollutants is highway vehicles.

Correct AnswerverifiedShow Answer

Volatile organic compounds,a primary pollutant,are also called hydrocarbons.

Correct AnswerverifiedShow Answer

Generally,the greater the mixing depth,the better the air quality.

Correct AnswerverifiedTrue

As many as 12,000 people may have died as a direct or delayed result of the Great Smog of 1952..

Correct AnswerverifiedTrue

Forest fires triggered by lightning are one of many natural sources of air pollution.

Correct AnswerverifiedShow Answer

List two ways in which the wind acts to reduce air pollution.

Correct Answerverifieda)transport of the pollutants ...View AnswerShow Answer

Air pollution has only become an important urban problem in the last 75 years.

Correct AnswerverifiedShow Answer

Ozone:

Correct AnswerverifiedShow Answer

Between 1990 and 2009,emissions of the five major primary pollutants rose significantly.

Correct AnswerverifiedShow Answer

This category of air pollutants is emitted directly from identifiable sources and pollutes the air immediately upon being emitted.

Correct AnswerverifiedShow Answer

Of the primary air pollutants monitored by the EPA,which one is found above recommended levels in more U.S.counties than any other?

Correct AnswerverifiedShow Answer

The largest single air pollutant (in terms of the quantity emitted each year)is carbon monoxide.

Correct AnswerverifiedShow Answer

The vertical height reached by convective currents in the atmosphere is called:

Correct AnswerverifiedShow Answer

Which one of the following is a major component of photochemical smog?

Correct AnswerverifiedA

When air pollution episodes occur they generally result from a dramatic increase in the output of pollutants.

Correct AnswerverifiedShow Answer

Inversions form most readily on sunny days.

Correct AnswerverifiedShow Answer

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True

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True

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a)transport of the pollutants ...
View Answer

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A

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