A) Chemically toxic to humans. B) Radioactive. C) Fissionable. D) All of the choices are correct. A) Chemically toxic to humans. B) Radioactive. C) Fissionable. D) All of the choices are correct.

A) Reprocesses spent fuel rods to extract plutonium. B) Would be pollution-free, but the technology does not yet exist. C) Converts more-common isotopes, such as uranium-238, to fissionable fuel during normal operation. D) All of the choices are correct. A) Reprocesses spent fuel rods to extract plutonium. B) Would be pollution-free, but the technology does not yet exist. C) Converts more-common isotopes, such as uranium-238, to fissionable fuel during normal operation. D) All of the choices are correct.

A) Is a very cheap and efficient way to carry out fusion reactions. B) Involves using a rare isotope of uranium. C) Has not been clearly demonstrated in the laboratory. D) Can be used to produce fuel for future nuclear reactors. A) Is a very cheap and efficient way to carry out fusion reactions. B) Involves using a rare isotope of uranium. C) Has not been clearly demonstrated in the laboratory. D) Can be used to produce fuel for future nuclear reactors.

Exam 15: Energy Resources-Alternative Sources

Because developing countries use little energy per capita,global energy demands can be expected to remain close to current levels for several decades at least.

(True/False)

4.9/5

(72)

Question 21

In the U.S.,more water flows through hydropower-generation facilities than the total surface-water runoff of the nation.

(True/False)

4.9/5

(78)

Question 22

Binary geothermal power generators can utilize lower temperature water in comparison to traditional (flash)geothermal technology.

(True/False)

4.7/5

(74)

Question 23

If the nuclear-power option were pursued vigorously with current commercial reactor technology,all U.S.electricity needs could be supplied by nuclear power by the year 2010.

(True/False)

4.8/5

(83)

Question 24

During mid-2009,nuclear fission power plants in the entire world numbered a little less than

(Multiple Choice)

4.8/5

(80)

Question 25

Limitations of wind and solar energy include all of the following except

(Multiple Choice)

4.9/5

(73)

Question 26

Which of the following energy sources is not renewable?

(Multiple Choice)

4.8/5

(77)

Question 27

Uranium is often concentrated naturally in granites and

(Multiple Choice)

4.8/5

(82)

Question 28

It is somewhat more difficult to project future energy needs than to project demand for minerals.

(True/False)

4.7/5

(84)

Question 29

Plutonium is

(Multiple Choice)

4.9/5

(86)

Question 30

A breeder reactor

(Multiple Choice)

4.9/5

(84)

Question 31

In the case of traditional geothermal power generating plants,individual geothermal fields can typically be used for only a few decades before the rocks become too chilled for efficient power generation.

(True/False)

4.8/5

(77)

Question 32

Worldwide,nations are dismantling their nuclear-fission plants because of the high levels of pollution they produce and concerns about resultant climate change.

(True/False)

4.9/5

(76)

Question 33

Passive-solar heating systems are so named because they do not involve mechanical devices.

(True/False)

4.8/5

(81)

Question 34

Exploiting hydroelectric power by constructing dams on rivers and streams is environmentally sound.

(True/False)

4.8/5

(87)

Question 35

"Cold fusion"

(Multiple Choice)

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(79)

Question 36

The sun generates its tremendous energy output by

(Multiple Choice)

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Question 37

Rapid development of hydropower in nations such as China raises safety concerns about the dams.

(True/False)

4.8/5

(61)

Question 38

Ethanol,once widely used in gasoline (to make "gasohol"),is no longer used in gasoline,because there is no longer a worldwide shortage of petroleum fuels.

(True/False)

4.7/5

(82)

Question 39

Generation of electricity using photovoltaic cells

(Multiple Choice)

5.0/5

(82)

Question 40

Showing 21 - 40 of 50

Because developing countries use little energy per capita,global energy demands can be expected to remain close to current levels for several decades at least.

In the U.S.,more water flows through hydropower-generation facilities than the total surface-water runoff of the nation.

Binary geothermal power generators can utilize lower temperature water in comparison to traditional (flash)geothermal technology.

If the nuclear-power option were pursued vigorously with current commercial reactor technology,all U.S.electricity needs could be supplied by nuclear power by the year 2010.

During mid-2009,nuclear fission power plants in the entire world numbered a little less than

Limitations of wind and solar energy include all of the following except

Which of the following energy sources is not renewable?

Uranium is often concentrated naturally in granites and

It is somewhat more difficult to project future energy needs than to project demand for minerals.

Plutonium is

A breeder reactor

In the case of traditional geothermal power generating plants,individual geothermal fields can typically be used for only a few decades before the rocks become too chilled for efficient power generation.

Worldwide,nations are dismantling their nuclear-fission plants because of the high levels of pollution they produce and concerns about resultant climate change.

Passive-solar heating systems are so named because they do not involve mechanical devices.

Exploiting hydroelectric power by constructing dams on rivers and streams is environmentally sound.

"Cold fusion"

The sun generates its tremendous energy output by

Rapid development of hydropower in nations such as China raises safety concerns about the dams.

Ethanol,once widely used in gasoline (to make "gasohol"),is no longer used in gasoline,because there is no longer a worldwide shortage of petroleum fuels.

Generation of electricity using photovoltaic cells

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