Question 1

The use of ethanol fuel has reduced carbon dioxide emissions.

Accepted Answer

A) True 
 B)False

Question 2

Which statement characterizes a wind power system?

Accepted Answer

A)  It has a low net useful energy yield. 
B)  It requires a long time to construct. 
C)  It provides an unlimited source of energy at favourable sites. 
D)  It emits moderate amounts of air pollution. 
A)  It has a low net useful energy yield. 
B)  It requires a long time to construct. 
C)  It provides an unlimited source of energy at favourable sites. 
D)  It emits moderate amounts of air pollution.

Question 3

Geothermal energy will produce noise and give off hydrogen sulphide gas.

Accepted Answer

A) True 
 B)False

Question 4

_________________________ can be used in stationary applications like generating electricity or heating buildings,and they can be used for powering vehicles,buses,and trains.

Accepted Answer

The answer of _________________________ can be used in stationary applications...

Question 5

Which country produces the greatest proportion of its electricity by hydroelectric plants?

Accepted Answer

A)  Switzerland 
B)  Norway 
C)  Italy 
D)  Austria 
A)  Switzerland 
B)  Norway 
C)  Italy 
D)  Austria

Question 6

What is used in passive solar heating systems?

Accepted Answer

A)  a concrete wall 
B)  a paper wall 
C)  a natural gas furnace 
D)  photovoltaic cells 
A)  a concrete wall 
B)  a paper wall 
C)  a natural gas furnace 
D)  photovoltaic cells

Question 7

What is one characteristic of solar cells?

Accepted Answer

A)  They are primarily composed of metal. 
B)  They are quick to install. 
C)  They emit moderate amounts of carbon dioxide. 
D)  Expansion of a system of solar cells is difficult. 
A)  They are primarily composed of metal. 
B)  They are quick to install. 
C)  They emit moderate amounts of carbon dioxide. 
D)  Expansion of a system of solar cells is difficult.

Question 8

The higher the R-value of insulation,the ____________________ the heat loss.

Accepted Answer

The answer of The higher the R-value of insulation,the ____________________...

Question 9

Which scenario would be least likely to be encouraged in a sustainable energy future?

Accepted Answer

A)  the practice of permitting utilities to earn money by reducing electricity demand 
B)  full-cost pricing that includes the social and environmental costs of energy sources 
C)  a requirement that all energy systems supported by government funds be based on cost-benefit analyses 
D)  a requirement that electrical production be done on a least-cost basis 
A)  the practice of permitting utilities to earn money by reducing electricity demand 
B)  full-cost pricing that includes the social and environmental costs of energy sources 
C)  a requirement that all energy systems supported by government funds be based on cost-benefit analyses 
D)  a requirement that electrical production be done on a least-cost basis

Question 10

What is one result of keeping energy prices artificially high?

Accepted Answer

A)  It discourages improvements in energy efficiency. 
B)  It dampens economic growth. 
C)  It causes high unemployment. 
D)  It increases dependence on imported energy. 
A)  It discourages improvements in energy efficiency. 
B)  It dampens economic growth. 
C)  It causes high unemployment. 
D)  It increases dependence on imported energy.

Question 11

Hydrogen fuel has negative net energy,and leaks may deplete ozone.

Accepted Answer

A) True 
 B)False

Question 12

Which statement best describes a hydroelectric plant?

Accepted Answer

A)  It causes a high amount of pollution. 
B)  It has high construction costs. 
C)  It has high operation and maintenance costs. 
D)  It has a low functional life span. 
A)  It causes a high amount of pollution. 
B)  It has high construction costs. 
C)  It has high operation and maintenance costs. 
D)  It has a low functional life span.

Question 13

Which country is the largest market for solar cells?

Accepted Answer

A)  Poland 
B)  India 
C)  Mexico 
D)  Brazil 
A)  Poland 
B)  India 
C)  Mexico 
D)  Brazil

Question 14

What is the most expensive way to provide space heat?

Accepted Answer

A)  by using electricity 
B)  by using oil 
C)  by using propane 
D)  by using kerosene 
A)  by using electricity 
B)  by using oil 
C)  by using propane 
D)  by using kerosene

Question 15

What does the R-value of insulation mean?

Accepted Answer

a higher R-value is a measure

Question 16

What are some disadvantages of using wind to produce electricity?

Accepted Answer

steady winds are needed,backup

Question 17

Which of the following is a renewable energy resource?

Accepted Answer

A)  biomass 
B)  hydrogen fuel cell 
C)  natural gas 
D)  Nuclear energy 
A)  biomass 
B)  hydrogen fuel cell 
C)  natural gas 
D)  Nuclear energy

Question 18

One way to improve energy efficiency is to discourage independent power producers.

Accepted Answer

A) True 
 B)False

Question 19

From where are biomass fuels derived?

Accepted Answer

A)  They are derived from sources of nitrogen. 
B)  They are derived from sources of phosphorous. 
C)  They are derived from sources of carbon. 
D)  They are derived from sources of oxygen. 
A)  They are derived from sources of nitrogen. 
B)  They are derived from sources of phosphorous. 
C)  They are derived from sources of carbon. 
D)  They are derived from sources of oxygen.

Question 20

Which of the following is NOT among the disadvantages of using solar energy to generate high-temperature heat and electricity?

Accepted Answer

A)  It requires a backup storage system. 
B)  It is expensive. 
C)  It requires high land use. 
D)  It releases carbon dioxide emissions. 
A)  It requires a backup storage system. 
B)  It is expensive. 
C)  It requires high land use. 
D)  It releases carbon dioxide emissions.

Exam 18: Energy Efficiency and Renewable Energy

The use of ethanol fuel has reduced carbon dioxide emissions.

Which statement characterizes a wind power system?

Geothermal energy will produce noise and give off hydrogen sulphide gas.

_________________________ can be used in stationary applications like generating electricity or heating buildings,and they can be used for powering vehicles,buses,and trains.

Which country produces the greatest proportion of its electricity by hydroelectric plants?

What is used in passive solar heating systems?

What is one characteristic of solar cells?

The higher the R-value of insulation,the ____________________ the heat loss.

Which scenario would be least likely to be encouraged in a sustainable energy future?

What is one result of keeping energy prices artificially high?

Hydrogen fuel has negative net energy,and leaks may deplete ozone.

Which statement best describes a hydroelectric plant?

Which country is the largest market for solar cells?

What is the most expensive way to provide space heat?

What does the R-value of insulation mean?

What are some disadvantages of using wind to produce electricity?

Which of the following is a renewable energy resource?

One way to improve energy efficiency is to discourage independent power producers.

From where are biomass fuels derived?

Which of the following is NOT among the disadvantages of using solar energy to generate high-temperature heat and electricity?

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

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Climate Change and Ozone Loss

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Sustainable Cities

Economics, environment, and Sustainability

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