Question 1

What is the world's fastest growing energy resource?

Accepted Answer

A)   wind power 
B)   solar power 
C)   nuclear power 
D)   hydroelectric dams

Question 2

What is magma?

Accepted Answer

A)   It is molten rock. 
B)   It is an air pollutant given off by geothermal energy. 
C)   It is a deep source of fossil fuel. 
D)   It is a cooled lava flow.

Question 3

Computer programs calculate the sun's position and send signals to ____________________ all the time so that the sunbeams always get reflected onto one point.

Accepted Answer

The answer of Computer programs calculate the sun's position and...

Question 4

Which renewable and perpetual resource has the best availability in both the short and long term?

Accepted Answer

A)   low-temperature solar heating combined with improved energy efficiency 
B)   hydro dams 
C)   photovoltaics combined with high-temperature solar heating 
D)   wind energy

Question 5

Which statement best describes the use of hydrogen as a fuel source?

Accepted Answer

A)   Experimental cars have been running on hydrogen for years. 
B)   Metals cannot store and release hydrogen. 
C)   When burned, hydrogen produces air pollutants. 
D)   Fuel tanks containing metal-hydrogen compounds would tend to explode in an accident.

Question 6

What is the most inefficient method of space heating?

Accepted Answer

A)   passive solar heat from the sun 
B)   electricity produced by a nuclear power plant 
C)   a natural gas furnace 
D)   an oil furnace

Question 7

What is one advantage of using hydrogen gas as a fuel?

Accepted Answer

A)   There are no CO₂ emissions if it is produced from water. 
B)   It offers long driving ranges. 
C)   It has negative net energy. 
D)   There is no energy needed to produce a fuel cell.

Question 8

Which statement best describes a passive solar system?

Accepted Answer

A)   It deteriorates more readily and needs to be replaced more often than an active solar system. 
B)   The technology is well developed and can be installed quickly. 
C)   The system adds 5% to the initial cost but reduces lifetime costs by 30 to 40%. 
D)   It requires more materials maintenance than active solar systems.

Question 9

One source of nearly nondepletable geothermal energy is molten rock or magma.

Accepted Answer

A) True 
 B)False

Question 10

Geothermal heat pumps and geothermal exchange may be used to tap the geothermal energy stored in the Earth's mantle.

Accepted Answer

A) True 
 B)False

Question 11

Methanol,like ethanol,is made from corn.

Accepted Answer

A) True 
 B)False

Question 12

What is one way that industry can reduce its energy consumption?

Accepted Answer

A)   by using more standard electric motors 
B)   by increasing recycling and reuse of materials 
C)   by switching to incandescent lighting 
D)   by quickly venting waste heat to the environment

Question 13

The net energy efficiency of an oil furnace is ____________________ than that of a typical wood stove.

Accepted Answer

The answer of The net energy efficiency of an oil...

Question 14

Which vegetable is a source of ethanol?

Accepted Answer

A)   carrots 
B)   peas 
C)   potatoes 
D)   corn

Question 15

Which energy approach most improves the quality of the environment?

Accepted Answer

A)   better energy efficiency 
B)   use of hydrogen gas 
C)   use of clean biomass 
D)   use of wind energy

Question 16

What percentage of commercial energy consumed in North America is wasted unnecessarily?

Accepted Answer

A)   about 43% 
B)   about 33% 
C)   about 23% 
D)   about 13%

Question 17

Which part of Canada has the most powerful and consistent winds?

Accepted Answer

A)   the Prairies 
B)   the east and west coasts 
C)   Canada's southern border 
D)   the east coast

Question 18

Unlike a conventional heat pump,a ________________________________________ 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

geothermal...

Question 19

What is one advantage associated with the development and use of geothermal energy systems?

Accepted Answer

A)   A geothermal energy system has no risk of creating harmful environmental effects. 
B)   Carbon dioxide is the only air pollutant produced by a geothermal energy system. 
C)   Geothermal energy sources are vast, reliable, and potentially renewable for areas near reservoir sites. 
D)   Geothermal power plants do not require cooling water.

Question 20

A(n)_____________________________________________ integrates building components to provide solar collection,heat storage,and heat distribution.

Accepted Answer

passive so...

Exam 18: Energy Efficiency and Renewable Energy

What is one advantage associated with the development and use of geothermal energy systems?

Correct AnswerverifiedShow Answer

What is the world's fastest growing energy resource?

Correct AnswerverifiedShow Answer

Methanol,like ethanol,is made from corn.

Correct AnswerverifiedShow Answer

Which renewable and perpetual resource has the best availability in both the short and long term?

Correct AnswerverifiedShow Answer

Which statement best describes a passive solar system?

Correct AnswerverifiedShow Answer

What is one advantage of using hydrogen gas as a fuel?

Correct AnswerverifiedShow Answer

Which part of Canada has the most powerful and consistent winds?

Correct AnswerverifiedShow Answer

What percentage of commercial energy consumed in North America is wasted unnecessarily?

Correct AnswerverifiedShow Answer

What is the most inefficient method of space heating?

Correct AnswerverifiedShow Answer

Which energy approach most improves the quality of the environment?

Correct AnswerverifiedShow Answer

Which statement best describes the use of hydrogen as a fuel source?

Correct AnswerverifiedShow Answer

What is magma?

Correct AnswerverifiedShow Answer

Geothermal heat pumps and geothermal exchange may be used to tap the geothermal energy stored in the Earth's mantle.

Correct AnswerverifiedShow Answer

The net energy efficiency of an oil furnace is ____________________ than that of a typical wood stove.

Correct AnswerverifiedShow Answer

One source of nearly nondepletable geothermal energy is molten rock or magma.

Correct AnswerverifiedShow Answer

A(n)_____________________________________________ integrates building components to provide solar collection,heat storage,and heat distribution.

Correct Answerverifiedpassive so...View AnswerShow Answer

What is one way that industry can reduce its energy consumption?

Correct AnswerverifiedShow Answer

Unlike a conventional heat pump,a ________________________________________ 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 Answerverifiedgeothermal...View AnswerShow Answer

Which vegetable is a source of ethanol?

Correct AnswerverifiedShow Answer

Computer programs calculate the sun's position and send signals to ____________________ all the time so that the sunbeams always get reflected onto one point.

Correct AnswerverifiedShow Answer

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passive so...
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geothermal...
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