Question 1

-According to the diagram above,what total percentage of U.S.commercial energy is wasted?

Accepted Answer

41% unavoidable + 43...

Question 2

The best way to encourage the general public's use of renewable energy resources is

Accepted Answer

A)   advertising.
B)   full-cost pricing.
C)   least-cost management.
D)   reduced energy consumption.
E)   subsidies for nonrenewable sources.

Question 3

Ethanol production has resulted in all but which of the following?

Accepted Answer

A)   decreased water usage
B)   increased production of heavily subsidized corn in the U.S.
C)   increased water use
D)   increased land clearing
E)   increased prices for corn-based food products

Question 4

Biofuels are not efficient energy sources because of the high land use and high cost (with huge subsidies).

Accepted Answer

A) True 
 B)False

Question 5

In shifting to a more sustainable energy future,discuss different ways that you as an individual can influence energy use.Provide examples.

Accepted Answer

Choosing not to use it unless necessary,...

Question 6

Active solar systems can be used to heat water.

Accepted Answer

A) True 
 B)False

Question 7

Fermenting and distilling plant sugars creates which biofuel?

Accepted Answer

A)   ethanol
B)   methane
C)   propane
D)   gasahol
E)   butane

Question 8

Reducing energy waste results in all but

Accepted Answer

A)   providing more energy availability.
B)   reducing pollution.
C)   initial higher costs.
D)   slowing global warming.
E)   increasing national and economic security.

Question 9

Keeping energy prices artificially low

Accepted Answer

A)   encourages waste and rapid depletion of energy resources getting favorable treatment.
B)   protects consumers from sharp price increases.
C)   can help reduce inflation.
D)   encourages waste and rapid depletion of energy resources getting favorable treatment and protects consumers from sharp price increases.
E)   all of these answers

Question 10

Unlike a conventional heat pump,a(n)____________________ heat pump uses the somewhat constant temperature of the Earth as a source of heat in the winter and as a store for heat in the summer.

Accepted Answer

The answer of Unlike a conventional heat pump,a(n)____________________ heat pump...

Question 11

In most of the world's countries,biofuels such as biodiesel and ethanol can be used to replace much of the fossil fuels used in vehicles.

Accepted Answer

A) True 
 B)False

Question 12

To reduce energy waste,we must

Accepted Answer

A)   increase energy consumption.
B)   improve energy efficiency.
C)   switch from fossil fuels.
D)   use only solar technologies.
E)   lower energy efficiency.

Question 13

In the U.S.,windows designed to capture solar energy face

Accepted Answer

A)   north.
B)   east.
C)   south.
D)   west.
E)   northeast.

Question 14

A sustainable energy future would have all of the following components except

Accepted Answer

A)   greatly increased use of perpetual and renewable resources.
B)   phasing out of government subsidies for nonrenewable resources.
C)   no government influence on personal choices of energy-consuming goods.
D)   taxing of fossil fuels with energy assistance to the poor.
E)   none of these answers

Question 15

All of the following are advantages of using solar cells for electricity except

Accepted Answer

A)   they are safe, quite and do not produce any greenhouse gases during operation.
B)   they can be made from rigid or flexible materials.
C)   they can be easily expanded to form solar cell banks to meet increasing energy demands.
D)   they can last as long as a typical nuclear power plant.
E)   they need a storage or backup system for electricity.

Question 16

What are the two primary reasons the United States is more reliant on nonrenewable energy sources than on renewable energy sources.How can this be changed?

Accepted Answer

Nonrenewable energy is artificially chea...

Question 17

Which of the following best illustrates an example of a life cycle cost?

Accepted Answer

A)   The economic and environmental costs to produce, use and dispose of a refrigerator
B)   The costs to water systems of making a watch
C)   The retail and disposal price of a new car
D)   The net cost to build a bicycle
E)   The cost of component parts charged to clients by industry to make a computer

Question 18

All of the following are solar energy technologies except

Accepted Answer

A)   solar tower.
B)   solar cooker.
C)   passive solar thermal system.
D)   reactive electrosolar system.
E)   active solar thermal system.

Question 19

Keeping energy prices artificially low has resulted in harmful environmental affects and wasteful energy use.

Accepted Answer

A) True 
 B)False

Question 20

Geothermal energy is stored in the form of

Accepted Answer

A)   dry steam.
B)   wet steam.
C)   hot water.
D)   wet steam and hot water
E)   all of these answers

Exam 10: Energy Efficiency and Renewable Energy

Ethanol production has resulted in all but which of the following?

Correct AnswerverifiedShow Answer

All of the following are solar energy technologies except

Correct AnswerverifiedShow Answer

A sustainable energy future would have all of the following components except

Correct AnswerverifiedShow Answer

Reducing energy waste results in all but

Correct AnswerverifiedShow Answer

Fermenting and distilling plant sugars creates which biofuel?

Correct AnswerverifiedShow Answer

What are the two primary reasons the United States is more reliant on nonrenewable energy sources than on renewable energy sources.How can this be changed?

Correct AnswerverifiedNonrenewable energy is artificially chea...View AnswerShow Answer

Keeping energy prices artificially low has resulted in harmful environmental affects and wasteful energy use.

Correct AnswerverifiedShow Answer

In the U.S.,windows designed to capture solar energy face

Correct AnswerverifiedShow Answer

Unlike a conventional heat pump,a(n)____________________ heat pump uses the somewhat constant temperature of the Earth as a source of heat in the winter and as a store for heat in the summer.

Correct AnswerverifiedShow Answer

-According to the diagram above,what total percentage of U.S.commercial energy is wasted?

Correct Answerverified41% unavoidable + 43...View AnswerShow Answer

To reduce energy waste,we must

Correct AnswerverifiedShow Answer

In most of the world's countries,biofuels such as biodiesel and ethanol can be used to replace much of the fossil fuels used in vehicles.

Correct AnswerverifiedShow Answer

Active solar systems can be used to heat water.

Correct AnswerverifiedShow Answer

Biofuels are not efficient energy sources because of the high land use and high cost (with huge subsidies).

Correct AnswerverifiedShow Answer

The best way to encourage the general public's use of renewable energy resources is

Correct AnswerverifiedShow Answer

In shifting to a more sustainable energy future,discuss different ways that you as an individual can influence energy use.Provide examples.

Correct AnswerverifiedChoosing not to use it unless necessary,...View AnswerShow Answer

Geothermal energy is stored in the form of

Correct AnswerverifiedShow Answer

All of the following are advantages of using solar cells for electricity except

Correct AnswerverifiedShow Answer

Which of the following best illustrates an example of a life cycle cost?

Correct AnswerverifiedShow Answer

Keeping energy prices artificially low

Correct AnswerverifiedShow Answer

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Nonrenewable energy is artificially chea...
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41% unavoidable + 43...
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Choosing not to use it unless necessary,...
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Correct Answer
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