Question 1

_____________________ can easily be moved across land in pipelines, but must be transported in special refrigerated ships to move across oceans.

Accepted Answer

A)   Natural gas
B)   Anthracite
C)   Light oil
D)   Methanol
E)   Heavy crudeF) B) and E)
G) B) and C)

Question 2

A major factor in the conversion from fossil fuels to renewable forms of energy is

Accepted Answer

A)   money.
B)   infrastructure.
C)   access to renewable forms.
D)   a lack of technology to develop renewable forms.E) All of the above
F) None of the above

Question 3

A system of pipes painted black that have water circulating on the wall in a glass greenhouse on the south side of a building is an example of

Accepted Answer

A)   parabolic collection.
B)   an active solar heating system.
C)   passive heat absorption.
D)   eutectic heat exchange.
E)   charging fuel cells to increase efficiency in energy use.F) A) and D)
G) B) and C)

Question 4

Energy is the capacity to do work.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following statements is true?

Accepted Answer

A)   World coal reserves are substantially smaller than petroleum reserves.
B)   The fossil fuel most readily available and abundant in the United States and Canada is petroleum.
C)   The United States has only enough proven oil supplies to last 4 years at current rates of consumption.
D)   World coal reserves are only large enough to provide power for about 100 years.
E)   Under normal operating conditions, you are likely to get a higher dose of radiation living next to a nuclear plant than a coal-burning plant.F) All of the above
G) B) and C)

Question 6

Fossil fuels currently supply about ____ percent of all world commercial energy supplies.

Accepted Answer

A)   95
B)   87
C)   75
D)   50
E)   33F) D) and E)
G) A) and B)

Question 7

The most likely disaster in a nuclear power plant is that

Accepted Answer

A)   the plant would explode like a nuclear bomb.
B)   cooling systems could fail, causing rapid overheating.
C)   fuel rods could fail to maintain chain reactions.
D)   nuclear fusion would get out of control and cause explosions.
E)   All of these are equally likely.F) B) and C)
G) A) and B)

Question 8

Sweden, Denmark, and Switzerland have higher standards of living by most measures than Americans or Canadians

Accepted Answer

A)   because their energy consumption is much greater.
B)   because they are closer to energy supplies.
C)   even though their energy use is about equal to ours.
D)   even though their energy use is much less than ours.
E)   None of these. Sweden, Denmark, and Switzerland do not have higher standards of living compared to Americans or Canadians.F) B) and E)
G) None of the above

Question 9

In the poorest countries like Ethiopia and Bangladesh, biomass represents ______ percent of their energy consumption.

Accepted Answer

A)   10
B)   30
C)   45
D)   70
E)   90F) B) and D)
G) A) and C)

Question 10

In terms of generating electricity, fuel cells are _________ than thermal-conversion machines because the chemical energy of a fuel is _______.

Accepted Answer

A)   less efficient; converted into electricity with an intermediate combustion cycle.
B)   less efficient; converted directly into electricity without an intermediate combustion cycle.
C)   more efficient; converted into electricity with an intermediate combustion cycle.
D)   more efficient; converted directly into electricity without an intermediate combustion cycle.
E)   about the same in terms of efficiency; converted into electricity with an intermediate combustion cycle.F) None of the above
G) A) and C)

Question 11

Most of our energy waste in North America results from

Accepted Answer

A)   a failure to turn off lights.
B)   technological inefficiency.
C)   the fact that more efficient energy conversion is not possible.
D)   overwhelming public ignorance of conservation issues.
E)   the fact that energy conservation techniques are quite expensive.F) C) and D)
G) A) and B)

Exam 12: Energy

Energy is the capacity to do work.

Correct Answer
verified

Fossil fuels currently supply about ____ percent of all world commercial energy supplies.

Correct Answer
verified

_____________________ can easily be moved across land in pipelines, but must be transported in special refrigerated ships to move across oceans.

Correct Answer
verified

Most of our energy waste in North America results from

Correct Answer
verified

Which of the following statements is true?

Correct Answer
verified

A major factor in the conversion from fossil fuels to renewable forms of energy is

Correct Answer
verified

The most likely disaster in a nuclear power plant is that

Correct Answer
verified

A system of pipes painted black that have water circulating on the wall in a glass greenhouse on the south side of a building is an example of

Correct Answer
verified

Sweden, Denmark, and Switzerland have higher standards of living by most measures than Americans or Canadians

Correct Answer
verified

In terms of generating electricity, fuel cells are ___ than thermal-conversion machines because the chemical energy of a fuel is _.

Correct Answer
verified

In the poorest countries like Ethiopia and Bangladesh, biomass represents ______ percent of their energy consumption.

Correct Answer
verified

Exam 12: Energy

Energy is the capacity to do work.

Correct AnswerverifiedShow Answer

Fossil fuels currently supply about ____ percent of all world commercial energy supplies.

Correct AnswerverifiedShow Answer

_____________________ can easily be moved across land in pipelines, but must be transported in special refrigerated ships to move across oceans.

Correct AnswerverifiedShow Answer

Most of our energy waste in North America results from

Correct AnswerverifiedShow Answer

Which of the following statements is true?

Correct AnswerverifiedShow Answer

A major factor in the conversion from fossil fuels to renewable forms of energy is

Correct AnswerverifiedShow Answer

The most likely disaster in a nuclear power plant is that

Correct AnswerverifiedShow Answer

A system of pipes painted black that have water circulating on the wall in a glass greenhouse on the south side of a building is an example of

Correct AnswerverifiedShow Answer

Sweden, Denmark, and Switzerland have higher standards of living by most measures than Americans or Canadians

Correct AnswerverifiedShow Answer

In terms of generating electricity, fuel cells are _________ than thermal-conversion machines because the chemical energy of a fuel is _______.

Correct AnswerverifiedShow Answer

In the poorest countries like Ethiopia and Bangladesh, biomass represents ______ percent of their energy consumption.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
verified

In terms of generating electricity, fuel cells are ___ than thermal-conversion machines because the chemical energy of a fuel is _.

Correct Answer
verified

Correct Answer
verified