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Energy Efficiency And Renewable Energy

Instructions:

Answer 31 questions in 15 minutes.
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Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Also known as Photovoltaic Cell; Device that converts radiant (solar) energy directly into electrical energy. Also called a solar cell.
Solar Cell
Solar Collector
Combined Heat and Power System
Energy Productivity

2. Wing Power.
The advantages of wind power include high net energy yield and efficiency - low cost and environmental impact - no carbon dioxide emissions - and quick construction. Disadvantages include need for winds and backup systems - high land use - visual and
The advantages of hydropower include high net energy yield - low cost electricity - long life span - no carbon dioxide emissions during operation - flood control below dam - water for irrigation - and reservoir development. Disadvantages include high
The advantages of solar energy include reduction of air pollution - reduction of dependence on oil - and low land use. Disadvantages include production of photocells results in release of toxic chemicals - life of systems is short - need backup syste
Wind Energy

3. How could we improve energy efficiency?
PV Cell
The advantages of solar energy include reduction of air pollution - reduction of dependence on oil - and low land use. Disadvantages include production of photocells results in release of toxic chemicals - life of systems is short - need backup syste
We can improve energy efficiency by increasing fuel efficiency standards - large tax credits for purchasing energy efficient cars - houses - and appliances - encouraging independent energy production - and increasing research and development.
Active Solar Heating System

4. System that - without the use of mechanical devices - captures sunlight directly within a structure and converts it into low-temperature heat for space heating or for heating water for domestic use. Compare active solar heating system.
Wind Farm
Solar Energy
Combined Heat and Power System
Passive Solar Heating System

5. Also known as Energy Efficiency; Percentage of the total energy input that does useful work and is not converted into low-quality - usually useless heat in an energy conversion system or process. See energy quality - net energy. Compare material effi
Biofuel
Wind Farm
Energy Productivity
The advantages of hydropower include high net energy yield - low cost electricity - long life span - no carbon dioxide emissions during operation - flood control below dam - water for irrigation - and reservoir development. Disadvantages include high

6. Energy derived from the sun in the form of solar radiation.
Solar Energy
Solar Collector
Solar Cell
Photovoltaic Cell

7. Electrical energy produced by falling or flowing water. See hydroelectric power plant.
Photovoltaic Cell
CHP System
Passive Solar Heating System
Hydropower

8. Production of two useful forms of energy - such as high-temperature heat or steam and electricity - from the same fuel source.
Energy Efficiency
Cogeneration
The advantages of using smaller - decentralized micropower sources include size - fast production and installation - high energy efficiency - low or no CO2 emissions - low air pollution - easy repair - reliable - increased national security - and eas
Resource Productivity

9. What are the advantages of using smaller - decentralized micropower sources?
CHP System
The advantages of solar energy include reduction of air pollution - reduction of dependence on oil - and low land use. Disadvantages include production of photocells results in release of toxic chemicals - life of systems is short - need backup syste
The advantages of using smaller - decentralized micropower sources include size - fast production and installation - high energy efficiency - low or no CO2 emissions - low air pollution - easy repair - reliable - increased national security - and eas
Hydropower

10. What are the advantages of wind power?
The advantages of geothermal energy include very high efficiency - low carbon dioxide emissions - low cost and land use - low land disturbance - and moderate environmental impact. Disadvantages include scarcity of suitable sites - potential depletion
Energy Efficiency
The advantages of wind power include high net energy yield and efficiency - low cost and environmental impact - no carbon dioxide emissions - and quick construction. Disadvantages include need for winds and backup systems - high land use - visual and
Geothermal Energy

11. Total amount of material needed to produce each unit of goods or services. Also called resource productivity. Compare energy efficiency.
The advantages of solar energy include reduction of air pollution - reduction of dependence on oil - and low land use. Disadvantages include production of photocells results in release of toxic chemicals - life of systems is short - need backup syste
Micropower Systems
Active Solar Heating System
Material Efficiency

12. Also known as Combined Heat and Power System; In such a system - two useful forms of energy (such as steam and electricity) are produced from the same fuel source.
Energy Productivity
Passive Solar Heating System
CHP System
The advantages of solar energy include reduction of air pollution - reduction of dependence on oil - and low land use. Disadvantages include production of photocells results in release of toxic chemicals - life of systems is short - need backup syste

13. What are the advantages of solar energy?
Wind Energy
The advantages of biomass include large potential supplies - moderate costs - no net carbon increase - and use of agricultural - timber - and urban wastes. Disadvantages include nonrenewable resource if not harvested sustainably - moderate to high en
Energy Efficiency
The advantages of solar energy include reduction of air pollution - reduction of dependence on oil - and low land use. Disadvantages include production of photocells results in release of toxic chemicals - life of systems is short - need backup syste

14. System that uses solar collectors to capture energy from the sun and store it as heat for space heating and water heating. Liquid or air pumped through the collectors transfers the captured heat to a storage system such as an insulated water tank or
Wind Farm
Active Solar Heating System
The advantages of wind power include high net energy yield and efficiency - low cost and environmental impact - no carbon dioxide emissions - and quick construction. Disadvantages include need for winds and backup systems - high land use - visual and
Wind Energy

15. Cluster of wind turbines in a windy area on land or at sea - built to capture wind energy and convert it into electrical energy.
Photovoltaic Cell
The advantages of hydrogen gas include the fact that it can be produced from water - the low environmental impact - no carbon dioxide emission - competitive price - ease of storage - safety - and high efficiency. Disadvantages include energy needed t
The advantages of using smaller - decentralized micropower sources include size - fast production and installation - high energy efficiency - low or no CO2 emissions - low air pollution - easy repair - reliable - increased national security - and eas
Wind Farm

16. Gas or liquid fuel (such as ethyl alcohol) made from plant material (biomass).
Hydropower
Solar Energy
Biofuel
Hydroelectric Power Plant

17. Device that converts radiant (solar) energy directly into electrical energy. Also called a solar cell.
Photovoltaic Cell
The advantages of hydropower include high net energy yield - low cost electricity - long life span - no carbon dioxide emissions during operation - flood control below dam - water for irrigation - and reservoir development. Disadvantages include high
The advantages of improving energy efficiency include benefits to the environment - people - and the economy through prolonged fossil fuel supplies - reduced oil imports - very high net energy yield - low cost reduction of pollution - and improved lo
Active Solar Heating System

18. Device for collecting radiant energy from the sun and converting it into heat. See active solar heating system - passive solar heating system.
The advantages of biomass include large potential supplies - moderate costs - no net carbon increase - and use of agricultural - timber - and urban wastes. Disadvantages include nonrenewable resource if not harvested sustainably - moderate to high en
Solar Collector
CHP System
Active Solar Heating System

19. Heat transferred from the earth's underground concentrations of dry steam (steam with no water droplets) - wet steam (a mixture of steam and water droplets) - or hot water trapped in fractured or porous rock.
Hydropower
Solar Energy
Geothermal Energy
Photovoltaic Cell

20. Systems of small-scale decentralized units that generate 1-10000 kilowatts of electricity. Examples include microturbines - fuel cells - wind turbines - and household solar-cell panels and solar-cell roofs.
Combined Heat and Power System
Geothermal Energy
Micropower Systems
The advantages of using smaller - decentralized micropower sources include size - fast production and installation - high energy efficiency - low or no CO2 emissions - low air pollution - easy repair - reliable - increased national security - and eas

21. Percentage of the total energy input that does useful work and is not converted into low-quality - usually useless heat in an energy conversion system or process. See energy quality - net energy. Compare material efficiency.
The advantages of hydrogen gas include the fact that it can be produced from water - the low environmental impact - no carbon dioxide emission - competitive price - ease of storage - safety - and high efficiency. Disadvantages include energy needed t
Solar Cell
Energy Efficiency
Energy Productivity

22. Also known as Photovoltaic Cell; Device that converts radiant (solar) energy directly into electrical energy. Also called a solar cell.
The advantages of wind power include high net energy yield and efficiency - low cost and environmental impact - no carbon dioxide emissions - and quick construction. Disadvantages include need for winds and backup systems - high land use - visual and
Solar Energy
PV Cell
Energy Productivity

23. What are the advantages of geothermal energy?
Cogeneration
The advantages of geothermal energy include very high efficiency - low carbon dioxide emissions - low cost and land use - low land disturbance - and moderate environmental impact. Disadvantages include scarcity of suitable sites - potential depletion
Micropower Systems
Photovoltaic Cell

24. Structure in which the energy of falling or flowing water spins a turbine generator to produce electricity.
Hydroelectric Power Plant
Solar Collector
Wind Farm
Photovoltaic Cell

25. Also known as Material efficiency; Total amount of material needed to produce each unit of goods or services. Also called resource productivity. Compare energy efficiency.
We can improve energy efficiency by increasing fuel efficiency standards - large tax credits for purchasing energy efficient cars - houses - and appliances - encouraging independent energy production - and increasing research and development.
Cogeneration
Active Solar Heating System
Resource Productivity

26. What are the advantages of improving energy efficiency?
Combined Heat and Power System
Photovoltaic Cell
The advantages of biomass include large potential supplies - moderate costs - no net carbon increase - and use of agricultural - timber - and urban wastes. Disadvantages include nonrenewable resource if not harvested sustainably - moderate to high en
The advantages of improving energy efficiency include benefits to the environment - people - and the economy through prolonged fossil fuel supplies - reduced oil imports - very high net energy yield - low cost reduction of pollution - and improved lo

27. In such a system - two useful forms of energy (such as steam and electricity) are produced from the same fuel source.
Solar Energy
Combined Heat and Power System
Cogeneration
Hydroelectric Power Plant

28. House that is heavily insulated and extremely airtight. Typically - active or passive solar collectors are used to heat water - and an air-to-air heat exchanger prevents buildup of excessive moisture and indoor air pollutants.
Combined Heat and Power System
Wind Energy
Superinsulated House
Wind Farm

29. What are the advantages of hydrogen gas?
The advantages of hydrogen gas include the fact that it can be produced from water - the low environmental impact - no carbon dioxide emission - competitive price - ease of storage - safety - and high efficiency. Disadvantages include energy needed t
Photovoltaic Cell
Wind Energy
We can improve energy efficiency by increasing fuel efficiency standards - large tax credits for purchasing energy efficient cars - houses - and appliances - encouraging independent energy production - and increasing research and development.

30. What are the advantages of biomass?
Resource Productivity
The advantages of biomass include large potential supplies - moderate costs - no net carbon increase - and use of agricultural - timber - and urban wastes. Disadvantages include nonrenewable resource if not harvested sustainably - moderate to high en
We can improve energy efficiency by increasing fuel efficiency standards - large tax credits for purchasing energy efficient cars - houses - and appliances - encouraging independent energy production - and increasing research and development.
Photovoltaic Cell

31. What are the advantages of hydropower?
The advantages of improving energy efficiency include benefits to the environment - people - and the economy through prolonged fossil fuel supplies - reduced oil imports - very high net energy yield - low cost reduction of pollution - and improved lo
The advantages of hydropower include high net energy yield - low cost electricity - long life span - no carbon dioxide emissions during operation - flood control below dam - water for irrigation - and reservoir development. Disadvantages include high
Energy Efficiency
Resource Productivity