Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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. 
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 3

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. 
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 4

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 
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 5

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. 
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 6

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 7

Which vegetable is a source of ethanol?

Accepted Answer

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

Question 8

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 9

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

Question 10

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 
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 11

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 12

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. 
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 13

Methanol,like ethanol,is made from corn.

Accepted Answer

A) True 
 B)False

Question 14

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

Accepted Answer

passive so

Question 15

What is the world's fastest growing energy resource?

Accepted Answer

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

Question 16

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

Question 17

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 18

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 
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 19

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. 
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 20

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

Exam 18: Energy Efficiency and Renewable Energy

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

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

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

What is the most inefficient method of space heating?

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

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

Which vegetable is a source of ethanol?

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

Which energy approach most improves the quality of the environment?

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

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

Which statement best describes a passive solar system?

Methanol,like ethanol,is made from corn.

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

What is the world's fastest growing energy resource?

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

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.

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

What is magma?

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

Environmental Problems: an Introduction and Overview

Environmental History: Learning From the Past

Science, systems, matter, and Energy

Ecosystems: What Are They, and How Do They Work

Evolution and Biodiversity

Climate and Terrestrial Biodiversity

Aquatic Biodiversity

Community Ecology

Population Ecology

Applying Population Ecology: the Human Population

Sustaining Terrestrial Biodiversity: Managing and Protecting Ecosystems

Sustaining Biodiversity: the Species Approach

Sustaining Aquatic Biodiversity

Food and Soil Resources

Water Resources

Geology and Nonrenewable Mineral Resources

Nonrenewable Energy Resources

Risk,toxicology,and Human Health

Air Pollution

Climate Change and Ozone Loss

Water Pollution

Pest Management

Solid and Hazardous Waste

Sustainable Cities

Economics, environment, and Sustainability

Politics, environment, and Sustainability

Environmental World-views, ethics, and Sustainability

Filters