EMGT 3113 EXAM QUESTIONS WITH
CORRECT ANSWERS
Which of the following air pollutants is emitted in about equal amounts
| | | | | | | | | | | |
by stationary and mobile sources?
| | | |
a. particulates
|
b. carbon monoxide
| |
c. sulfur dioxides
| | |
d. hydrocarbons
|
e. nitrogen oxides - CORRECT ANSWER✔✔-nitrogen oxides
| | | | | |
Which of the following air pollutants is emitted mainly by the
| | | | | | | | | | |
automobile?
a. particulates
|
b. carbon monoxide
| |
c. sulfur dioxides
| |
d. hydrocarbons
|
e. nitrogen oxides - CORRECT ANSWER✔✔-carbon monoxide
| | | | | |
Increases in the temperature of the earth due to the greenhouse effect
| | | | | | | | | | | |
over the last 50 years is least due to ________.
| | | | | | | | |
,a. burning of oil by industry and utilities
| | | | | | |
b. flatulence by cows
| | |
c. addition of hot water to lakes by utilities
| | | | | | | |
d. clearing land for farming
| | | |
e. use of freons - CORRECT ANSWER✔✔-addition of hot water to lakes
| | | | | | | | | | | |
by utilities
|
The emissions of particulates due to the burning of coal can be reduced
| | | | | | | | | | | | |
by the use of ________.
| | | |
a. electrostatic precipitators
| |
b. scrubbers
|
c. coal from strip mines of the Western US
| | | | | | | |
d. limestone
|
e. catalytic converters - CORRECT ANSWER✔✔-electrostatic
| | | | | |
precipitators
A balloon is buoyed up with a force equal to the
| | | | | | | | | |
a. density of the surrounding air
| | | | |
b. atmospheric pressure
| |
c. weight of the balloon and its contents
| | | | | | |
d. weight of the air it displaces - CORRECT ANSWER✔✔-weight of the
| | | | | | | | | | | |
air it displaces
| |
,If the volume of an object were to be halved with the same mass, its
| | | | | | | | | | | | | | |
density would |
a. halve b. double c. stay the same - CORRECT ANSWER✔✔-double
| | | | | | | | | |
CFC's in the stratosphere ________.
| | | |
a. provide protection from incoming solar radiation
| | | | | |
b. dissipate within days
| | |
c. combine with NOX to produce smog
| | | | | |
d. adsorb ultraviolet light from the sun
| | | | | |
e. contribute to ozone destruction - CORRECT ANSWER✔✔-contribute
| | | | | | | |
to ozone destruction
| |
Ozone production via automobile emissions ________.
| | | | |
a. is usually associated with photochemical smog
| | | | | |
b. can help restore the ozone being depleted in the outer atmosphere
| | | | | | | | | | |
c. is eliminated by appropriate use of catalytic converters
| | | | | | | |
d. will provide overall worldwide reduction in skin cancer - CORRECT
| | | | | | | | | | |
ANSWER✔✔-is usually associated with photochemical smog | | | | |
Your largest personal contribution to global warming in a year comes
| | | | | | | | | | |
from ________. |
, a. use of freon propellants
| | | |
b. use of air conditioners in your home
| | | | | | |
c. driving your car
| | |
d. cutting down trees
| | |
e. burning natural gas for home heating. - CORRECT ANSWER✔✔-
| | | | | | | | |
driving your car | |
One of the major economic problems in less developed countries is
| | | | | | | | | | |
________.
a. deforestation
|
b. neglected use of solar energy
| | | | |
c. dependence upon imported oil
| | | |
d. increased emission of greenhouse gases. - CORRECT ANSWER✔✔-
| | | | | | | |
dependence upon imported oil | | |
One of the changes experienced by a body of water when waste heat is
| | | | | | | | | | | | | |
added from a power plant is ________.
| | | | | |
a. an increase in water's capacity to hold oxygen
| | | | | | | |
b. an increased spawning success for fish
| | | | | |
c. an increased biological growing season
| | | | |
d. decreased eutrophication - CORRECT ANSWER✔✔-an increased
| | | | | | |
biological growing season | |
CORRECT ANSWERS
Which of the following air pollutants is emitted in about equal amounts
| | | | | | | | | | | |
by stationary and mobile sources?
| | | |
a. particulates
|
b. carbon monoxide
| |
c. sulfur dioxides
| | |
d. hydrocarbons
|
e. nitrogen oxides - CORRECT ANSWER✔✔-nitrogen oxides
| | | | | |
Which of the following air pollutants is emitted mainly by the
| | | | | | | | | | |
automobile?
a. particulates
|
b. carbon monoxide
| |
c. sulfur dioxides
| |
d. hydrocarbons
|
e. nitrogen oxides - CORRECT ANSWER✔✔-carbon monoxide
| | | | | |
Increases in the temperature of the earth due to the greenhouse effect
| | | | | | | | | | | |
over the last 50 years is least due to ________.
| | | | | | | | |
,a. burning of oil by industry and utilities
| | | | | | |
b. flatulence by cows
| | |
c. addition of hot water to lakes by utilities
| | | | | | | |
d. clearing land for farming
| | | |
e. use of freons - CORRECT ANSWER✔✔-addition of hot water to lakes
| | | | | | | | | | | |
by utilities
|
The emissions of particulates due to the burning of coal can be reduced
| | | | | | | | | | | | |
by the use of ________.
| | | |
a. electrostatic precipitators
| |
b. scrubbers
|
c. coal from strip mines of the Western US
| | | | | | | |
d. limestone
|
e. catalytic converters - CORRECT ANSWER✔✔-electrostatic
| | | | | |
precipitators
A balloon is buoyed up with a force equal to the
| | | | | | | | | |
a. density of the surrounding air
| | | | |
b. atmospheric pressure
| |
c. weight of the balloon and its contents
| | | | | | |
d. weight of the air it displaces - CORRECT ANSWER✔✔-weight of the
| | | | | | | | | | | |
air it displaces
| |
,If the volume of an object were to be halved with the same mass, its
| | | | | | | | | | | | | | |
density would |
a. halve b. double c. stay the same - CORRECT ANSWER✔✔-double
| | | | | | | | | |
CFC's in the stratosphere ________.
| | | |
a. provide protection from incoming solar radiation
| | | | | |
b. dissipate within days
| | |
c. combine with NOX to produce smog
| | | | | |
d. adsorb ultraviolet light from the sun
| | | | | |
e. contribute to ozone destruction - CORRECT ANSWER✔✔-contribute
| | | | | | | |
to ozone destruction
| |
Ozone production via automobile emissions ________.
| | | | |
a. is usually associated with photochemical smog
| | | | | |
b. can help restore the ozone being depleted in the outer atmosphere
| | | | | | | | | | |
c. is eliminated by appropriate use of catalytic converters
| | | | | | | |
d. will provide overall worldwide reduction in skin cancer - CORRECT
| | | | | | | | | | |
ANSWER✔✔-is usually associated with photochemical smog | | | | |
Your largest personal contribution to global warming in a year comes
| | | | | | | | | | |
from ________. |
, a. use of freon propellants
| | | |
b. use of air conditioners in your home
| | | | | | |
c. driving your car
| | |
d. cutting down trees
| | |
e. burning natural gas for home heating. - CORRECT ANSWER✔✔-
| | | | | | | | |
driving your car | |
One of the major economic problems in less developed countries is
| | | | | | | | | | |
________.
a. deforestation
|
b. neglected use of solar energy
| | | | |
c. dependence upon imported oil
| | | |
d. increased emission of greenhouse gases. - CORRECT ANSWER✔✔-
| | | | | | | |
dependence upon imported oil | | |
One of the changes experienced by a body of water when waste heat is
| | | | | | | | | | | | | |
added from a power plant is ________.
| | | | | |
a. an increase in water's capacity to hold oxygen
| | | | | | | |
b. an increased spawning success for fish
| | | | | |
c. an increased biological growing season
| | | | |
d. decreased eutrophication - CORRECT ANSWER✔✔-an increased
| | | | | | |
biological growing season | |
