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Energy Efficiency And Renewable Energy

Instructions:

Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can study here.
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. Energy derived from the sun in the form of solar radiation.
Energy Productivity
Passive Solar Heating System
Solar Energy
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

2. What are the advantages of hydropower?
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
Solar Energy
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
Geothermal Energy

3. Gas or liquid fuel (such as ethyl alcohol) made from plant material (biomass).
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
Biofuel
Solar Collector
Energy Productivity

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

5. What are the advantages of solar energy?
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
Energy Productivity
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

6. 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.
Energy Efficiency
Energy Productivity
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
Hydropower

7. In such a system - two useful forms of energy (such as steam and electricity) are produced from the same fuel source.
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.
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 Productivity
Combined Heat and Power System

8. 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.
Active Solar Heating System
Micropower Systems
Biofuel
Wind Farm

9. Device that converts radiant (solar) energy directly into electrical energy. Also called a solar cell.
Combined Heat and Power System
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
Passive Solar Heating System

10. Also known as Photovoltaic Cell; Device that converts radiant (solar) energy directly into electrical energy. Also called a solar cell.
PV Cell
Hydropower
Superinsulated House
Solar Collector

11. Cluster of wind turbines in a windy area on land or at sea - built to capture wind energy and convert it into electrical energy.
Energy Efficiency
Wind Farm
Micropower Systems
PV Cell

12. 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.
Passive Solar Heating System
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.
Combined Heat and Power System
Solar Cell

13. How could we improve energy efficiency?
Material Efficiency
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.
Hydroelectric Power Plant

14. Total amount of material needed to produce each unit of goods or services. Also called resource productivity. Compare energy efficiency.
Solar Collector
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
Material 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

15. What are the advantages of geothermal energy?
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
Biofuel
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
Wind Energy

16. What are the advantages of using smaller - decentralized micropower sources?
Solar Collector
Wind Farm
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

17. 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
Solar Cell
Energy Efficiency
Active Solar Heating System
Photovoltaic Cell

18. 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.
Geothermal Energy
Biofuel
Cogeneration
Active Solar Heating System

19. 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.
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 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
Resource Productivity
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

20. Wing Power.
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.
Hydropower
Wind Energy
Solar Energy

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

22. What are the advantages of biomass?
Energy Efficiency
Hydroelectric Power Plant
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.

23. 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.
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
Hydroelectric Power Plant
Superinsulated House
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

24. 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
Wind Farm
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.
Hydropower
Energy Productivity

25. What are the advantages of improving energy efficiency?
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
Biofuel
Micropower Systems
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

26. Device for collecting radiant energy from the sun and converting it into heat. See active solar heating system - passive solar heating system.
Micropower Systems
Solar Collector
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
Wind Farm

27. Production of two useful forms of energy - such as high-temperature heat or steam and electricity - from the same fuel source.
Geothermal Energy
Cogeneration
Passive Solar Heating 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

28. 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.
CHP System
Hydroelectric Power Plant
Wind Farm
Cogeneration

29. What are the advantages of hydrogen gas?
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
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
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

30. Electrical energy produced by falling or flowing water. See hydroelectric power plant.
Wind Farm
Hydropower
Superinsulated House
Material Efficiency

31. What are the advantages of wind power?
Superinsulated House
Passive Solar Heating System
Geothermal Energy
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