Question 1

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

Accepted Answer

A) True 
 B)False  False

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 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 4

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

Accepted Answer

A) True 
 B)False

Question 5

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 6

____________________ 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 7

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 8

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 9

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 10

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

Accepted Answer

The answer of What are some of the advantages and...

Question 11

____________________ is an example of a source of geothermal energy.

Accepted Answer

The answer of ____________________ is an example of a source...

Question 12

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 13

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 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

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 16

____________________ 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 17

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 18

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 19

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 20

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

Accepted Answer

A) True 
 B)False

Exam 10: Energy Efficiency and Renewable Energy

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

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

Which of the following statements is false?

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

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

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

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

Energy efficiency could be improved by all of the following except

All of the following are features of passive solar design except

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

____________________ is an example of a source of geothermal energy.

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

Which of the following does not describe a wind farm?

Energy consumption can be reduced by all of the following except

Wind power offers all of the following except

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

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

Which of the following statements is false?

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

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