Question 1

Which of the following is not considered biomass?

Accepted Answer

A)  wood
B)  crop residues
C)  charcoal
D)  animal manure
E)  coalF) None of the above
G) A) and D)

Question 2

An _______________ solar heating system captures energy from the sun by pumping a heat absorbing fluid through special collectors.

Accepted Answer

The answer of An _______________ solar heating system captures energy...

Question 3

The United States wastes almost none of its energy.

Accepted Answer

A) True 
 B)False

Question 4

One of the general conclusions of experts about future energy systems is that greatly improved energy efficiency and the temporary use of which of the following, is the way we will proceed.

Accepted Answer

A)  coal
B)  fuel oil
C)  nuclear power
D)  natural gasE) A) and B)
F) A) and C)

Question 5

The chief ingredient of most solar cells is

Accepted Answer

A)  silicon
B)  sodium
C)  chromium
D)  arsenic
E)  calciumF) C) and D)
G) A) and B)

Question 6

Photovoltaic systems that track the sun during daylight hours collect about ____________________ more energy than stationary panels can.

Accepted Answer

30-40%

Question 7

Growing biomass in plantation settings has all of the following disadvantages, except

Accepted Answer

A)  depletion of soil nutrients
B)  clearing forests for plantations degrades biodiversity
C)  non-native species planted in plantations can spread to nearby ecosystems
D)  plantation grown biomass is very expensive to burn
E)  clearing forests for plantations reduces carbon dioxide captureF) B) and D)
G) A) and E) D

Question 8

Fuel economy standards for new vehicles in China are much higher than those in the U.S.

Accepted Answer

A) True 
 B)False

Question 9

Between 1973 and 1985, the average fuel efficiency rose sharply for motor vehicles sold in the United States primarily because of government-mandated ____________________ standards.

Accepted Answer

Corporate ...

Question 10

One of the most important steps governments can take to encourage a different energy future is to do which of the following?

Accepted Answer

A)  put taxes on fossil fuels
B)  cap and trade systems for reducing carbon dioxide
C)  run public service announcements encouraging a new direction in energy
D)  phase out subsidies and taxbreaks for fossil fuels and nuclear energy
E)  increase the CAFE standardsF) A) and B)
G) A) and C)

Question 11

Because of their abundance and artificially low prices, fossil fuels will continue to be used in large consequences in the future.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following cannot (at least now)  be used to generate electricity directly?

Accepted Answer

A)  ocean tides
B)  ocean waves
C)  heavy rains
D)  water behind dams
E)  flowing river waterF) A) and E)
G) B) and E)

Question 13

Hydrogen as an energy source only makes sense if the hydrogen gas is made using low-polluting renewable sources that emit little or no carbon dioxide.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following does not waste large amounts of energy and money when used?

Accepted Answer

A)  incandescent light bulbs
B)  internal combustion engine
C)  nuclear power plants
D)  coal-fired power plants
E)  mass transitF) B) and C)
G) C) and E)

Question 15

According to the United Nations, about 60% of all the world's potential for hydropower has been developed.

Accepted Answer

A) True 
 B)False

Question 16

A ____________________ uses the temperature differential between the surface and 3-6 meters underground to heat and cool a house.

Accepted Answer

geothermal...

Question 17

____________________ can be used in stationary applications like generating electricity or heating buildings, and for powering vehicles, buses, and trains.

Accepted Answer

The answer of ____________________ can be used in stationary applications...

Question 18

What percentage of the commercial energy used in the United States is wasted?

Accepted Answer

A)  54%
B)  64%
C)  74%
D)  84%
E)  94%F) B) and D)
G) B) and C)

Question 19

Which of the following is true about hydrogen?

Accepted Answer

A)  it is fairly rare in the universe
B)  it is abundant in the atmosphere as a free gas
C)  it has a high net energy yield
D)  hydrogen gas is a fuel produced by using other forms of energy
E)  hydrogen is a fuel resource like gasolineF) A) and B)
G) B) and E) D

Question 20

Green building certification now exists in more than 100 countries around the world.

Accepted Answer

A) True 
 B)False

Exam 16: Energy Efficiency and Renewable Energy

Which of the following is not considered biomass?

Correct AnswerverifiedShow Answer

An _______________ solar heating system captures energy from the sun by pumping a heat absorbing fluid through special collectors.

Correct AnswerverifiedShow Answer

The United States wastes almost none of its energy.

Correct AnswerverifiedShow Answer

One of the general conclusions of experts about future energy systems is that greatly improved energy efficiency and the temporary use of which of the following, is the way we will proceed.

Correct AnswerverifiedShow Answer

The chief ingredient of most solar cells is

Correct AnswerverifiedShow Answer

Photovoltaic systems that track the sun during daylight hours collect about ____________________ more energy than stationary panels can.

Correct Answerverified30-40%

Growing biomass in plantation settings has all of the following disadvantages, except

Correct AnswerverifiedD

Fuel economy standards for new vehicles in China are much higher than those in the U.S.

Correct AnswerverifiedShow Answer

Between 1973 and 1985, the average fuel efficiency rose sharply for motor vehicles sold in the United States primarily because of government-mandated ____________________ standards.

Correct AnswerverifiedCorporate ...View AnswerShow Answer

One of the most important steps governments can take to encourage a different energy future is to do which of the following?

Correct AnswerverifiedShow Answer

Because of their abundance and artificially low prices, fossil fuels will continue to be used in large consequences in the future.

Correct AnswerverifiedShow Answer

Which of the following cannot (at least now) be used to generate electricity directly?

Correct AnswerverifiedShow Answer

Hydrogen as an energy source only makes sense if the hydrogen gas is made using low-polluting renewable sources that emit little or no carbon dioxide.

Correct AnswerverifiedShow Answer

Which of the following does not waste large amounts of energy and money when used?

Correct AnswerverifiedShow Answer

According to the United Nations, about 60% of all the world's potential for hydropower has been developed.

Correct AnswerverifiedShow Answer

A ____________________ uses the temperature differential between the surface and 3-6 meters underground to heat and cool a house.

Correct Answerverifiedgeothermal...View AnswerShow Answer

____________________ can be used in stationary applications like generating electricity or heating buildings, and for powering vehicles, buses, and trains.

Correct AnswerverifiedShow Answer

What percentage of the commercial energy used in the United States is wasted?

Correct AnswerverifiedShow Answer

Which of the following is true about hydrogen?

Correct AnswerverifiedD

Green building certification now exists in more than 100 countries around the world.

Correct AnswerverifiedShow Answer

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30-40%

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D

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Corporate ...
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geothermal...
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D

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