Question 1

Users of which energy source have benefitted recently from a change in policy in the United States that allows consumers to sell energy back to the grid?

Accepted Answer

A)  coal 
B)  nuclear 
C)  solar 
D)  wind 
A)  coal 
B)  nuclear 
C)  solar 
D)  wind C

Question 2

Which of the following is a completely clean energy source?

Accepted Answer

A)  coal 
B)  nuclear 
C)  solar 
D)  none of these choices is correct 
A)  coal 
B)  nuclear 
C)  solar 
D)  none of these choices is correct D

Question 3

Which of the following is an example of "demand-side management" by electric utility companies to help consumers save energy?

Accepted Answer

A)  reducing rates charged to consumers 
B)  building new power plants 
C)  purchasing power from new sources 
D)  giving away energy-efficient light bulbs to consumers 
E)  reducing advertising costs 
A)  reducing rates charged to consumers 
B)  building new power plants 
C)  purchasing power from new sources 
D)  giving away energy-efficient light bulbs to consumers 
E)  reducing advertising costs D

Question 4

Which method(s) of energy storage utilize(s) potential energy?

Accepted Answer

A)  compressed air energy storage 
B)  pumped hydroelectric storage 
C)  superconducting magnetic energy storage 
D)  all of these choices are correct 
E)  compressed air energy storage and superconducting magnetic energy storage 
A)  compressed air energy storage 
B)  pumped hydroelectric storage 
C)  superconducting magnetic energy storage 
D)  all of these choices are correct 
E)  compressed air energy storage and superconducting magnetic energy storage

Question 5

Approximately what percentage of global oil consumption is used for transportation?

Accepted Answer

A)  50% 
B)  60% 
C)  70% 
D)  80% 
A)  50% 
B)  60% 
C)  70% 
D)  80%

Question 6

A burning candle gives off more heat than a lit lightbulb. What can we conclude from this?

Accepted Answer

A)  The candle provides more light than the lightbulb. 
B)  The lightbulb coverts energy to light more efficiently than the candle. 
C)  Using the candle conserves energy. 
D)  The candle will burn out before the lightbulb. 
E)  Electricity is the best way to transmit energy. 
A)  The candle provides more light than the lightbulb. 
B)  The lightbulb coverts energy to light more efficiently than the candle. 
C)  Using the candle conserves energy. 
D)  The candle will burn out before the lightbulb. 
E)  Electricity is the best way to transmit energy.

Question 7

Which of the following is an example of cogeneration?

Accepted Answer

A)  A power plant uses water to cool electricity-generating turbines, then lets the hot water cool in large cooling ponds. 
B)  A power plant burns coal to produce electricity, and uses "scrubbers" to reduce pollution. 
C)  A power plant takes steam left over after electricity production and uses it to heat buildings. 
D)  A power plant uses water to cool electricity-generating turbines, then releases the hot water into a nearby lake. 
A)  A power plant uses water to cool electricity-generating turbines, then lets the hot water cool in large cooling ponds. 
B)  A power plant burns coal to produce electricity, and uses "scrubbers" to reduce pollution. 
C)  A power plant takes steam left over after electricity production and uses it to heat buildings. 
D)  A power plant uses water to cool electricity-generating turbines, then releases the hot water into a nearby lake.

Question 8

Production of two useful forms of energy from the same fuel is known as:

Accepted Answer

A)  cogeneration 
B)  sustainability 
C)  biproduction 
D)  renewable production 
A)  cogeneration 
B)  sustainability 
C)  biproduction 
D)  renewable production

Question 9

All of the following are disadvantages of using hydrogen as an energy source except:

Accepted Answer

A)  high volatility 
B)  relatively low energy density 
C)  hydrolysis is relatively inefficient 
D)  electricity must be used to produce it 
A)  high volatility 
B)  relatively low energy density 
C)  hydrolysis is relatively inefficient 
D)  electricity must be used to produce it

Question 10

Which of the following fuels could not be used in flexible fuel vehicles (FFV's)

Accepted Answer

A)  gasoline 
B)  ethanol 
C)  compressed natural gas 
D)  hydrogen 
E)  none of these answer choices is correct 
A)  gasoline 
B)  ethanol 
C)  compressed natural gas 
D)  hydrogen 
E)  none of these answer choices is correct

Question 11

Use of Hydrogen Fuel Cell Vehicles (HFCV's) in the United States is currently limited by:

Accepted Answer

A)  the relatively short distances HFCV's can travel 
B)  the scarcity of hydrogen fueling stations 
C)  the relative inefficiency of HFCV engines 
D)  all of these answer choices are correct 
A)  the relatively short distances HFCV's can travel 
B)  the scarcity of hydrogen fueling stations 
C)  the relative inefficiency of HFCV engines 
D)  all of these answer choices are correct

Question 12

Why is investment in energy conservation and efficiency a necessary component of any governmental energy policy?

Accepted Answer

A)  it will result in an immediate increase in energy efficiency 
B)  the market will naturally favor products that are energy efficient in the long term, given enough time 
C)  it is often difficult for individuals or corporations to make purchases that save money in the long run if they are more expensive over the short term 
D)  all of these answer choices are correct 
A)  it will result in an immediate increase in energy efficiency 
B)  the market will naturally favor products that are energy efficient in the long term, given enough time 
C)  it is often difficult for individuals or corporations to make purchases that save money in the long run if they are more expensive over the short term 
D)  all of these answer choices are correct

Question 13

Which method (s) of energy storage takes advantage of the fact that certain materials can contain an electrical current almost indefinitely under extremely cold conditions?

Accepted Answer

A)  compressed air energy storage 
B)  pumped hydroelectric storage 
C)  superconducting magnetic energy storage 
D)  all of these choices are correct 
E)  compressed air energy storage and pumped hydroelectric storage 
A)  compressed air energy storage 
B)  pumped hydroelectric storage 
C)  superconducting magnetic energy storage 
D)  all of these choices are correct 
E)  compressed air energy storage and pumped hydroelectric storage

Question 14

A "zero-net energy" building:

Accepted Answer

A)  is built using only natural raw materials 
B)  can last longer than a traditional building 
C)  produces as much as or more energy than it uses 
D)  produces less than half the solid waste of a traditional building 
E)  all of these answer choices are correct 
A)  is built using only natural raw materials 
B)  can last longer than a traditional building 
C)  produces as much as or more energy than it uses 
D)  produces less than half the solid waste of a traditional building 
E)  all of these answer choices are correct

Question 15

Which of the following are possible methods of decreasing the amount of energy required to transport people to and from work?

Accepted Answer

A)  satellite offices 
B)  working from home 
C)  working fewer, but longer, workdays 
D)  use of early or late start times for the workday 
E)  all of these answer choices are correct 
A)  satellite offices 
B)  working from home 
C)  working fewer, but longer, workdays 
D)  use of early or late start times for the workday 
E)  all of these answer choices are correct

Question 16

All of the following home energy-saving improvements are simple to make after a home is built except:

Accepted Answer

A)  installing thicker attic insulation 
B)  caulking cracks around windows and doors 
C)  installing storm windows and doors 
D)  installing thicker wall insulation 
E)  adding heat pumps 
A)  installing thicker attic insulation 
B)  caulking cracks around windows and doors 
C)  installing storm windows and doors 
D)  installing thicker wall insulation 
E)  adding heat pumps

Question 17

Even though the electricity that powers them is generated primarily from burning fossil fuels, electric cars are still more efficient than gas-powered vehicles because:

Accepted Answer

A)  they are much lighter 
B)  energy is produced more efficiently at power plants than inside vehicles 
C)  their batteries are much more efficient 
D)  they can transport more people per vehicle 
A)  they are much lighter 
B)  energy is produced more efficiently at power plants than inside vehicles 
C)  their batteries are much more efficient 
D)  they can transport more people per vehicle

Question 18

Compared to energy use practices hundreds of years ago, modern societies:

Accepted Answer

A)  rely less on fossil fuels 
B)  rely more on biomass 
C)  rely more on local sources 
D)  rely more on highly concentrated sources 
E)  rely more on biomass and rely more on local sources 
A)  rely less on fossil fuels 
B)  rely more on biomass 
C)  rely more on local sources 
D)  rely more on highly concentrated sources 
E)  rely more on biomass and rely more on local sources

Question 19

Hydrogen and electricity are considered secondary forms of energy because:

Accepted Answer

A)  they are used less than fossil fuels 
B)  they are not found in nature in usable amounts 
C)  they can be generated from any energy source 
D)  all of these answer choices are correct 
E)  they are used less than fossil fuels and can be generated from any energy source 
A)  they are used less than fossil fuels 
B)  they are not found in nature in usable amounts 
C)  they can be generated from any energy source 
D)  all of these answer choices are correct 
E)  they are used less than fossil fuels and can be generated from any energy source

Question 20

Which term below is defined as "The amount of available energy in a source that is transmitted into useful work"?

Accepted Answer

A)  energy waste 
B)  energy production 
C)  energy use 
D)  energy conservation 
E)  energy efficiency 
A)  energy waste 
B)  energy production 
C)  energy use 
D)  energy conservation 
E)  energy efficiency

Exam 10: Energy Consumption

Users of which energy source have benefitted recently from a change in policy in the United States that allows consumers to sell energy back to the grid?

Which of the following is a completely clean energy source?

Which of the following is an example of "demand-side management" by electric utility companies to help consumers save energy?

Which method(s) of energy storage utilize(s) potential energy?

Approximately what percentage of global oil consumption is used for transportation?

A burning candle gives off more heat than a lit lightbulb. What can we conclude from this?

Which of the following is an example of cogeneration?

Production of two useful forms of energy from the same fuel is known as:

All of the following are disadvantages of using hydrogen as an energy source except:

Which of the following fuels could not be used in flexible fuel vehicles (FFV's)

Use of Hydrogen Fuel Cell Vehicles (HFCV's) in the United States is currently limited by:

Why is investment in energy conservation and efficiency a necessary component of any governmental energy policy?

Which method (s) of energy storage takes advantage of the fact that certain materials can contain an electrical current almost indefinitely under extremely cold conditions?

A "zero-net energy" building:

Which of the following are possible methods of decreasing the amount of energy required to transport people to and from work?

All of the following home energy-saving improvements are simple to make after a home is built except:

Even though the electricity that powers them is generated primarily from burning fossil fuels, electric cars are still more efficient than gas-powered vehicles because:

Compared to energy use practices hundreds of years ago, modern societies:

Hydrogen and electricity are considered secondary forms of energy because:

Which term below is defined as "The amount of available energy in a source that is transmitted into useful work"?

Introducing Environmental Science and Sustainability

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Ecosystems and Energy

Ecosystems and the Physical Environment

Ecosystems and Living Organisms

Major Ecosystems of the World

Human Health and Environmental Toxicology

The Human Population

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Fossil Fuels

Renewable Energy and Nuclear Power

Water: a Limited Resource

Soil Resources

Mineral Resources

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Water Pollution

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