Question 1

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

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

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

Accepted Answer

a)transport of the pollutants ...

Question 4

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 5

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.

Question 6

Small mixing depths are associated with stable air.

Accepted Answer

A) True 
 B)False

Question 7

Inversions form most readily on sunny days.

Accepted Answer

A) True 
 B)False

Question 8

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 dioxide

Question 9

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 pollutants

Question 10

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

Accepted Answer

A)  ozone
B)  lead
C)  sulfur dioxide
D)  soot A

Question 11

The single largest source of air pollutants is highway vehicles.

Accepted Answer

A) True 
 B)False

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

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.

Question 15

Particulate matter is categorized according to:

Accepted Answer

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

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

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

Accepted Answer

A) True 
 B)False  True

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

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.

Exam 13: Air Pollution

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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

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

Correct AnswerverifiedTrue

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

Correct AnswerverifiedShow Answer

Small mixing depths are associated with stable air.

Correct AnswerverifiedShow Answer

Inversions form most readily on sunny days.

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

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA

The single largest source of air pollutants is highway vehicles.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Particulate matter is categorized according to:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedTrue

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Ozone:

Correct AnswerverifiedShow Answer

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a)transport of the pollutants ...
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A

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