Question 1

Disadvantages of solar space and water heating systems include all of the following except that

Accepted Answer

A)   they have low initial costs.
B)   solar collectors are not aesthetically pleasing to some people.
C)   they use a lot of land area.
D)   some regions lack adequate sunshine.
E)   they have low initial costs and solar collectors are not aesthetically pleasing to some people.

Question 2

Almost half of the commercial energy available for use in the U.S.is wasted due to inefficiencies in devices and processes used.

Accepted Answer

A) True 
 B)False  False

Question 3

Which of the following does not describe a wind farm?

Accepted Answer

A)   They are limited to land areas.
B)   They may be noisy.
C)   They may interfere with migratory birds and bats.
D)   They require backup energy if the wind is not steady.
E)   They require a lot of space.

Question 4

Which of the following statements is false?

Accepted Answer

A)   When burned, hydrogen produces virtually no air pollutants.
B)   Hydrogen could be a viable substitute for gasoline to power vehicles.
C)   Fuel tanks of metal-hydrogen compounds tend to explode in accidents.
D)   Experimental cars have been running on hydrogen for years.
E)   Hydrogen is a secondary energy source reliant upon solar energy. C

Question 5

Our Earth's interior provides heat energy from nature called ____________________ that can be used without polluting the environment.

Accepted Answer

The answer of Our Earth's interior provides heat energy from...

Question 6

Green roofs are being used in office buildings to conserve heat and cooling.

Accepted Answer

A) True 
 B)False

Question 7

Wind power offers all of the following except

Accepted Answer

A)   unlimited energy source at favorable sites.
B)   quick construction time.
C)   moderate to high net useful energy yield.
D)   no CO₂ emissions.
E)   no plastic parts made from fossil fuels.

Question 8

Small hydropower projects emit more carbon dioxide and are therefore less desirable than larger projects.

Accepted Answer

A) True 
 B)False  False

Question 9

Which of the following statements is false?

Accepted Answer

A)   At present there is not enough financial capital to develop all energy alternatives.
B)   We should not depend upon nonrenewable energy sources.
C)   Energy production should be centralized as much as possible to increase efficiency.
D)   Future renewable energy alternatives will probably replace nonrenewable energy use.
E)   We should depend on multiple sources of renewable energy.

Question 10

If you were to make home renovations with the intention of reducing energy loss,you would do all of the following except

Accepted Answer

A)   install a blue roof.
B)   landscape the yard to maximize heat trapping and cooling.
C)   upgrade to energy efficient appliances.
D)   install a tankless hot water heater and compost toilet.
E)   install superinsulation in walls and the attic.

Question 11

Energy efficiency could be improved by all of the following except

Accepted Answer

A)   buying cars with good fuel mileage.
B)   buying energy efficient appliances.
C)   keeping car engines tuned.
D)   removing insulation from attics.
E)   decreasing packaging.

Question 12

What are some of the advantages and disadvantages of using biomass as fuel?

Accepted Answer

Advantages: widely available; can be mad...

Question 13

____________________ provides greater conversion efficiencies than traditional generation methods because it harnesses heat that would otherwise be wasted.

Accepted Answer

The answer of ____________________ provides greater conversion efficiencies than traditional...

Question 14

Energy consumption can be reduced by all of the following except

Accepted Answer

A)   using mass transit instead of individual automobiles.
B)   turning the thermostat up in wintertime.
C)   turning off unused lights.
D)   purchasing only needed products.
E)   reducing packaging.

Question 15

Cars can be more fuel efficient by utilizing ultralight and ultrastrong materials in their design.

Accepted Answer

A) True 
 B)False

Question 16

Photovoltaic cells do not produce any of the greenhouse or acid gas emissions associated with electricity generated by the combustion of fossil fuels.

Accepted Answer

A) True 
 B)False

Question 17

Energy efficiencies are being applied to new construction projects as it is too costly to apply energy efficiencies to existing structures.

Accepted Answer

A) True 
 B)False

Question 18

____________________ is matter usually thought of as garbage and includes dead trees,yard clippings,bark,and sawdust.

Accepted Answer

The answer of ____________________ is matter usually thought of as...

Question 19

All of the following are features of passive solar design except

Accepted Answer

A)   adobe walls and flagstone floor used for heat storage.
B)   coniferous trees blocking the sun all year.
C)   windows on the south side of the house.
D)   summer cooling vents in the roof.
E)   superinsulation.

Question 20

____________________ is an example of a source of geothermal energy.

Accepted Answer

hydrotherm...

Exam 10: Energy Efficiency and Renewable Energy

Disadvantages of solar space and water heating systems include all of the following except that

Correct AnswerverifiedShow Answer

Almost half of the commercial energy available for use in the U.S.is wasted due to inefficiencies in devices and processes used.

Correct AnswerverifiedFalse

Which of the following does not describe a wind farm?

Correct AnswerverifiedShow Answer

Which of the following statements is false?

Correct AnswerverifiedC

Our Earth's interior provides heat energy from nature called ____________________ that can be used without polluting the environment.

Correct AnswerverifiedShow Answer

Green roofs are being used in office buildings to conserve heat and cooling.

Correct AnswerverifiedShow Answer

Wind power offers all of the following except

Correct AnswerverifiedShow Answer

Small hydropower projects emit more carbon dioxide and are therefore less desirable than larger projects.

Correct AnswerverifiedFalse

Which of the following statements is false?

Correct AnswerverifiedShow Answer

If you were to make home renovations with the intention of reducing energy loss,you would do all of the following except

Correct AnswerverifiedShow Answer

Energy efficiency could be improved by all of the following except

Correct AnswerverifiedShow Answer

What are some of the advantages and disadvantages of using biomass as fuel?

Correct AnswerverifiedAdvantages: widely available; can be mad...View AnswerShow Answer

____________________ provides greater conversion efficiencies than traditional generation methods because it harnesses heat that would otherwise be wasted.

Correct AnswerverifiedShow Answer

Energy consumption can be reduced by all of the following except

Correct AnswerverifiedShow Answer

Cars can be more fuel efficient by utilizing ultralight and ultrastrong materials in their design.

Correct AnswerverifiedShow Answer

Photovoltaic cells do not produce any of the greenhouse or acid gas emissions associated with electricity generated by the combustion of fossil fuels.

Correct AnswerverifiedShow Answer

Energy efficiencies are being applied to new construction projects as it is too costly to apply energy efficiencies to existing structures.

Correct AnswerverifiedShow Answer

____________________ is matter usually thought of as garbage and includes dead trees,yard clippings,bark,and sawdust.

Correct AnswerverifiedShow Answer

All of the following are features of passive solar design except

Correct AnswerverifiedShow Answer

____________________ is an example of a source of geothermal energy.

Correct Answerverifiedhydrotherm...View AnswerShow Answer

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False

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False

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Advantages: widely available; can be mad...
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