Question 1

Why is biomass an attractive source of energy

Accepted Answer

A) a shift to biofuels from petroleum-based fuels would be seamless 
B) it makes use of waste products,reducing waste disposal problems 
C) it reduces our dependence on fossil fuels 
D) it produces lower levels of sulfur and ash than coal combustion 
E) all of these choices 
A) a shift to biofuels from petroleum-based fuels would be seamless 
B) it makes use of waste products,reducing waste disposal problems 
C) it reduces our dependence on fossil fuels 
D) it produces lower levels of sulfur and ash than coal combustion 
E) all of these choices E

Question 2

What type of solar heating system would be most efficient at producing high-temperature water for industrial applications or steam to run turbines that generate electricity

Accepted Answer

A) fuel cells that directly convert chemical energy into electricity. 
B) biomass generators that burn natural materials to generate heat. 
C) solar thermal electric generation systems using mirrors or lenses to concentrate sunlight to heat water. 
D) passive solar systems that use building design to maximize winter sunlight to heat water. 
E) convection solar heating systems that circulate warm air throughout the liquid. 
A) fuel cells that directly convert chemical energy into electricity. 
B) biomass generators that burn natural materials to generate heat. 
C) solar thermal electric generation systems using mirrors or lenses to concentrate sunlight to heat water. 
D) passive solar systems that use building design to maximize winter sunlight to heat water. 
E) convection solar heating systems that circulate warm air throughout the liquid. C

Question 3

Which of the following actions is mismatched with its type of energy savings

Accepted Answer

A) setting the thermostat on the hot water heater lower : energy conservation 
B) turning off lights when a room is not in use : energy conservation 
C) replacing incandescent bulbs with compact fluorescent : energy efficiency 
D) "superinsulating" a building : energy efficiency 
E) installing a new condensing furnace to replace a conventional gas furnace : energy conservation 
A) setting the thermostat on the hot water heater lower : energy conservation 
B) turning off lights when a room is not in use : energy conservation 
C) replacing incandescent bulbs with compact fluorescent : energy efficiency 
D) "superinsulating" a building : energy efficiency 
E) installing a new condensing furnace to replace a conventional gas furnace : energy conservation E

Question 4

Geothermal energy

Accepted Answer

A) is derived from solar energy. 
B) is rises is sea surface temperature. 
C) is a byproduct of subsurface mining operations. 
D) capitalizes on Earth's internal temperature. 
E) is generated through earthquakes 
A) is derived from solar energy. 
B) is rises is sea surface temperature. 
C) is a byproduct of subsurface mining operations. 
D) capitalizes on Earth's internal temperature. 
E) is generated through earthquakes

Question 5

What is the fossil fuel cost of powering a wind turbine

Accepted Answer

A) 75% 
B) 50% 
C) 25% 
D) 10% 
E) 0% 
A) 75% 
B) 50% 
C) 25% 
D) 10% 
E) 0%

Question 6

The major advantage of a fuel cell over a standard battery is that

Accepted Answer

A) fuel cells are less expensive to produce and operate than standard batteries. 
B) a fuel cell generates electricity without the need for positive or negative electrodes but batteries have these electrodes. 
C) fuel cells produce power as long as they are supplied with fuel whereas batteries store a fixed amount of energy. 
D) fuel cells generate small amounts of CO₂ and sulfur oxide emissions compared to the large amounts emitted by standard batteries. 
E) fuel cells do not have any advantages over standard batteries 
A) fuel cells are less expensive to produce and operate than standard batteries. 
B) a fuel cell generates electricity without the need for positive or negative electrodes but batteries have these electrodes. 
C) fuel cells produce power as long as they are supplied with fuel whereas batteries store a fixed amount of energy. 
D) fuel cells generate small amounts of CO₂ and sulfur oxide emissions compared to the large amounts emitted by standard batteries. 
E) fuel cells do not have any advantages over standard batteries

Question 7

Fuel cells produce electricity 1.that cannot be stored and must be used immediately.
2)indefinitely,as long as they are supplied with fuel (hydrogen).
3)from fossil fuel added to the chemical reaction.
4)from solar energy that has been stored as chemical energy.

Accepted Answer

A) 1 only 
B) 2 only 
C) 3 only 
D) 4 only 
E) 2 and 4 
A) 1 only 
B) 2 only 
C) 3 only 
D) 4 only 
E) 2 and 4

Question 8

In rural areas of developing countries,photovoltaic cells are used for all of the following purposes except

Accepted Answer

A) charging batteries. 
B) heating hot water heaters. 
C) providing refrigeration for vaccines. 
D) grinding grain. 
E) pumping water. 
A) charging batteries. 
B) heating hot water heaters. 
C) providing refrigeration for vaccines. 
D) grinding grain. 
E) pumping water.

Question 9

Which of the following is more efficient (90%)than any other energy source for producing electricity

Accepted Answer

A) hydropower 
B) wind energy 
C) photovoltaic 
D) passive solar 
E) geothermal 
A) hydropower 
B) wind energy 
C) photovoltaic 
D) passive solar 
E) geothermal

Question 10

Solar thermal energy systems are inherently more efficient than photovoltaic solar cell systems because solar thermal systems

Accepted Answer

A) diminish reliance on fossil fuel systems. 
B) reduce the potential of global warming. 
C) do not have any moving parts. 
D) concentrate the sun's energy. 
E) do not produce any air pollution. 
A) diminish reliance on fossil fuel systems. 
B) reduce the potential of global warming. 
C) do not have any moving parts. 
D) concentrate the sun's energy. 
E) do not produce any air pollution.

Question 11

Photovoltaic systems are characterized by all of the following except

Accepted Answer

A) directly converting sunlight into electricity. 
B) minimal maintenance. 
C) producing no pollution. 
D) functioning on cloudy or rainy days. 
E) minimal space requirement for large-scale use. 
A) directly converting sunlight into electricity. 
B) minimal maintenance. 
C) producing no pollution. 
D) functioning on cloudy or rainy days. 
E) minimal space requirement for large-scale use.

Question 12

All of the following are options to conserve energy at home except

Accepted Answer

A) improve insulation. 
B) install double paned windows. 
C) keep a beverage refrigerator in the garage. 
D) use thermal lined curtains. 
E) caulk cracks on exterior of home. 
A) improve insulation. 
B) install double paned windows. 
C) keep a beverage refrigerator in the garage. 
D) use thermal lined curtains. 
E) caulk cracks on exterior of home.

Question 13

The electric company approaches you with a proposition to allow a wind farm installation on your available property in the Great Plains.Identify one advantage and one disadvantage of agreeing to a "wind farm" on your property.Suggest three alternative geographic places suitable for wind farm development.

Accepted Answer

A wind farm in the Great Plains would be

Question 14

Solar technologies can provide many services for homes.Define four consumer solar technologies and discuss their applications in improving a home's energy efficiency.Discuss the advantages and the drawbacks for each technologies implementation.

Accepted Answer

Direct solar energy can be used passivel

Question 15

Energy efficiency is defined as

Accepted Answer

A) energy that escapes in an unusable form. 
B) energy in bonds broken (minus)energy in bonds formed. 
C) using fossil fuels instead of renewable alternative energy. 
D) using less energy to accomplish a given task,by using new technology,for example. 
E) using less energy by reducing energy use and waste,for example. 
A) energy that escapes in an unusable form. 
B) energy in bonds broken (minus)energy in bonds formed. 
C) using fossil fuels instead of renewable alternative energy. 
D) using less energy to accomplish a given task,by using new technology,for example. 
E) using less energy by reducing energy use and waste,for example.

Question 16

Many people think that our emphasis should shift from finding alternative sources of energy to increasing the energy efficiency and energy conservation.Distinguish between these two terms and provide examples of what consumers can be doing to improve your energy efficiency and energy conservation.

Accepted Answer

Solution: Energy efficiency involves ado

Question 17

Which of these appliances' annual use is the least energy efficient ?
$$\begin{array} { | l | l | l | } 
\hline & \text { Power [W] } & \text { Averape Hours Used/ Year } \
\hline \text { Television } & 350 & 1,440 \
\hline \text { Water heater } & 2,800 & 1,044 \
\hline \text { Refriperator } & 180 & 6,000 \
\hline \text { Washing machine } & 700 & 144 \
\hline \text { Clothes dryer } & 700 & 455 \
\hline
\end{array}$$

Accepted Answer

A) television 
B) water heater 
C) refrigerator 
D) washing machine 
E) clothes dryer 
A) television 
B) water heater 
C) refrigerator 
D) washing machine 
E) clothes dryer

Question 18

What is the fuel that is used to power a fuel cell

Accepted Answer

A) direct solar input 
B) propane 
C) oxygen 
D) uranium 
E) hydrogen 
A) direct solar input 
B) propane 
C) oxygen 
D) uranium 
E) hydrogen

Question 19

All of the following have potential to produce geothermal energy except

Accepted Answer

A) volcanoes 
B) geysers 
C) hot springs 
D) tides 
E) deep ocean hydrothermal vents 
A) volcanoes 
B) geysers 
C) hot springs 
D) tides 
E) deep ocean hydrothermal vents

Question 20

Which of the following transportation alternatives would achieve the greatest energy conservation at the end of one week

Accepted Answer

A) carpooling to work with 3 other people 
B) driving by yourself,but at lower than posted speeds 
C) driving by yourself in a smaller,more fuel-efficient car 
D) driving yourself using a low octane gas in the car 
E) driving yourself in a new hybrid car 
A) carpooling to work with 3 other people 
B) driving by yourself,but at lower than posted speeds 
C) driving by yourself in a smaller,more fuel-efficient car 
D) driving yourself using a low octane gas in the car 
E) driving yourself in a new hybrid car

Why is biomass an attractive source of energy

What type of solar heating system would be most efficient at producing high-temperature water for industrial applications or steam to run turbines that generate electricity

Which of the following actions is mismatched with its type of energy savings

Geothermal energy

What is the fossil fuel cost of powering a wind turbine

The major advantage of a fuel cell over a standard battery is that

Fuel cells produce electricity 1.that cannot be stored and must be used immediately. 2)indefinitely,as long as they are supplied with fuel (hydrogen). 3)from fossil fuel added to the chemical reaction. 4)from solar energy that has been stored as chemical energy.

In rural areas of developing countries,photovoltaic cells are used for all of the following purposes except

Which of the following is more efficient (90%)than any other energy source for producing electricity

Solar thermal energy systems are inherently more efficient than photovoltaic solar cell systems because solar thermal systems

Photovoltaic systems are characterized by all of the following except

All of the following are options to conserve energy at home except

Solar technologies can provide many services for homes.Define four consumer solar technologies and discuss their applications in improving a home's energy efficiency.Discuss the advantages and the drawbacks for each technologies implementation.

Energy efficiency is defined as

Many people think that our emphasis should shift from finding alternative sources of energy to increasing the energy efficiency and energy conservation.Distinguish between these two terms and provide examples of what consumers can be doing to improve your energy efficiency and energy conservation.

Which of these appliances' annual use is the least energy efficient ? Power [W] Averape Hours Used/ Year Television 350 1,440 Water heater 2,800 1,044 Refriperator 180 6,000 Washing machine 700 144 Clothes dryer 700 455

What is the fuel that is used to power a fuel cell

All of the following have potential to produce geothermal energy except

Which of the following transportation alternatives would achieve the greatest energy conservation at the end of one week

The Environmental Challenges We Face

Sustainability and Human Values

Environmental History, Politics, and Economics

Risk Analysis and Environmental Health Hazards

How Ecosystems Work

Ecosystems and Evolution

Human Population Change and the Environment

Air and Air Pollution

Global Atmospheric Changes

Freshwater Resources and Water Pollution

The Ocean and Fisheries

Mineral and Soil Resources

Land Resources

Agriculture and Food Resources

Biodiversity and Conservation

Solid and Hazardous Waste

Nonrenewable Energy Resources

Filters

Exam 18: Renewable Energy Resources

Why is biomass an attractive source of energy

What type of solar heating system would be most efficient at producing high-temperature water for industrial applications or steam to run turbines that generate electricity

Which of the following actions is mismatched with its type of energy savings

Geothermal energy

What is the fossil fuel cost of powering a wind turbine

The major advantage of a fuel cell over a standard battery is that

Fuel cells produce electricity 1.that cannot be stored and must be used immediately. 2)indefinitely,as long as they are supplied with fuel (hydrogen). 3)from fossil fuel added to the chemical reaction. 4)from solar energy that has been stored as chemical energy.

In rural areas of developing countries,photovoltaic cells are used for all of the following purposes except

Which of the following is more efficient (90%)than any other energy source for producing electricity

Solar thermal energy systems are inherently more efficient than photovoltaic solar cell systems because solar thermal systems

Photovoltaic systems are characterized by all of the following except

All of the following are options to conserve energy at home except

Solar technologies can provide many services for homes.Define four consumer solar technologies and discuss their applications in improving a home's energy efficiency.Discuss the advantages and the drawbacks for each technologies implementation.

Energy efficiency is defined as

Many people think that our emphasis should shift from finding alternative sources of energy to increasing the energy efficiency and energy conservation.Distinguish between these two terms and provide examples of what consumers can be doing to improve your energy efficiency and energy conservation.

Which of these appliances' annual use is the least energy efficient ? Power [W] Averape Hours Used/ Year Television 350 1,440 Water heater 2,800 1,044 Refriperator 180 6,000 Washing machine 700 144 Clothes dryer 700 455

What is the fuel that is used to power a fuel cell

All of the following have potential to produce geothermal energy except

Which of the following transportation alternatives would achieve the greatest energy conservation at the end of one week

The Environmental Challenges We Face

Sustainability and Human Values

Environmental History, Politics, and Economics

Risk Analysis and Environmental Health Hazards

How Ecosystems Work

Ecosystems and Evolution

Human Population Change and the Environment

Air and Air Pollution

Global Atmospheric Changes

Freshwater Resources and Water Pollution

The Ocean and Fisheries

Mineral and Soil Resources

Land Resources

Agriculture and Food Resources

Biodiversity and Conservation

Solid and Hazardous Waste

Nonrenewable Energy Resources

Filters