Question 1

Air pollution problems seldom occur when winds are weak or calm.

Accepted Answer

A) True 
 B)False

Question 2

The primary purpose of a smokestack is to:

Accepted Answer

A)  burn off inversion layers.
B)  change the lapse rate.
C)  reduce the concentration of pollutants at ground level.
D)  promote adiabatic cooling of the smoke.E) None of the above
F) All of the above

Question 3

The single greatest air pollutant by weight is:

Accepted Answer

A)  carbon monoxide.
B)  nitrogen oxides.
C)  volatile organics.
D)  particulate matter.E) A) and B)
F) B) and C)

Question 4

Air pollution events are usually associated with low pressure systems.

Accepted Answer

A) True 
 B)False

Question 5

Rain is naturally somewhat acidic.

Accepted Answer

A) True 
 B)False

Question 6

These are also known as hydrocarbons: ________.

Accepted Answer

The answer of These are also known as hydrocarbons: ________....

Question 7

Sulfur dioxide does not produce any secondary pollutants.

Accepted Answer

A) True 
 B)False

Question 8

The ozone in smog is unrelated to the ozone in the stratosphere.

Accepted Answer

A) True 
 B)False

Question 9

These six pollutants are known as the criteria pollutants and are covered by the National Ambient Air Quality Standards.

Accepted Answer

A)  particulates,sulfur dioxide,carbon monoxide,nitrogen oxide,lead,and ozone
B)  particulates,sulfur dioxide,nitrogen oxide,lead,VOC's and smog
C)  particulates,sulfur dioxide,carbon monoxide,nitrogen oxides,lead,and VOC'sD) None of the above
E) B) and C)

Question 10

Building tall smokestacks may improve local air quality.

Accepted Answer

A) True 
 B)False

Question 11

________ pollutant levels cause gradual deterioration of a variety of physiological functions over a span of years.

Accepted Answer

A)  Chronic
B)  Major
C)  Critical
D)  AcuteE) B) and C)
F) None of the above

Question 12

How does the solar radiation on a clear sunny day act to reduce air pollution?

Accepted Answer

Heating of the ground and lowe...

Question 13

Which of these is LEAST important in determining the level of air pollution from a particular source?

Accepted Answer

A)  stability of the air layer
B)  relative humidity at ground level
C)  height of stack used
D)  amount of turbulent mixing
E)  prevailing wind speed and directionF) A) and E)
G) B) and D)

Question 14

This is the general term used for a mixture of solid particles and liquid droplets found in the air.

Accepted Answer

A)  particulate matter
B)  volatile organic compounds
C)  acid precipitation
D)  smogE) B) and C)
F) A) and D)

Question 15

Acid rain can be classified as a type of wet deposition.

Accepted Answer

A) True 
 B)False

Question 16

This is the most abundant primary pollutant.

Accepted Answer

A)  lead
B)  sulfur dioxide
C)  carbon monoxide
D)  nitrogen oxideE) A) and B)
F) A) and C)

Question 17

Air pollution declined significantly during the 1930s.

Accepted Answer

A) True 
 B)False

Question 18

Many reactions that produce secondary pollutants are triggered by ________ and are called photochemical reactions.

Accepted Answer

A)  strong sunlight
B)  clouds
C)  wind
D)  pressureE) A) and B)
F) A) and D)

Question 19

Smoke released from a stack into a very stable air mass would tend to:

Accepted Answer

A)  mix both upward and downward.
B)  diffuse rapidly in all directions.
C)  go almost straight up.
D)  spread out horizontally but not mix up or down.
E)  mix rapidly downward.F) B) and E)
G) A) and C)

Question 20

The greatest reduction in solar radiation receipt in polluted cities will occur:

Accepted Answer

A)  during the spring in low-latitude cities.
B)  during the winter in high-latitude cities.
C)  during the summer in middle-latitude cities.
D)  equally in cities at every latitude.E) None of the above
F) All of the above

Exam 13: Air Pollution

Sulfur dioxide does not produce any secondary pollutants.

Correct AnswerverifiedShow Answer

Which of these is LEAST important in determining the level of air pollution from a particular source?

Correct AnswerverifiedShow Answer

The greatest reduction in solar radiation receipt in polluted cities will occur:

Correct AnswerverifiedShow Answer

How does the solar radiation on a clear sunny day act to reduce air pollution?

Correct AnswerverifiedHeating of the ground and lowe...View AnswerShow Answer

Smoke released from a stack into a very stable air mass would tend to:

Correct AnswerverifiedShow Answer

Acid rain can be classified as a type of wet deposition.

Correct AnswerverifiedShow Answer

Air pollution events are usually associated with low pressure systems.

Correct AnswerverifiedShow Answer

These six pollutants are known as the criteria pollutants and are covered by the National Ambient Air Quality Standards.

Correct AnswerverifiedShow Answer

This is the most abundant primary pollutant.

Correct AnswerverifiedShow Answer

The single greatest air pollutant by weight is:

Correct AnswerverifiedShow Answer

These are also known as hydrocarbons: ________.

Correct AnswerverifiedShow Answer

Air pollution declined significantly during the 1930s.

Correct AnswerverifiedShow Answer

Air pollution problems seldom occur when winds are weak or calm.

Correct AnswerverifiedShow Answer

This is the general term used for a mixture of solid particles and liquid droplets found in the air.

Correct AnswerverifiedShow Answer

Rain is naturally somewhat acidic.

Correct AnswerverifiedShow Answer

Many reactions that produce secondary pollutants are triggered by ________ and are called photochemical reactions.

Correct AnswerverifiedShow Answer

________ pollutant levels cause gradual deterioration of a variety of physiological functions over a span of years.

Correct AnswerverifiedShow Answer

The primary purpose of a smokestack is to:

Correct AnswerverifiedShow Answer

Building tall smokestacks may improve local air quality.

Correct AnswerverifiedShow Answer

The ozone in smog is unrelated to the ozone in the stratosphere.

Correct AnswerverifiedShow Answer

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Heating of the ground and lowe...
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