Test your basic knowledge |

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. 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
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 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

2. 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
Active 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
CHP System
Wind Farm

3. 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
Hydroelectric Power Plant
Photovoltaic Cell
Solar Cell

4. 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 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
CHP System
Active Solar Heating System
Energy Efficiency

5. Wing Power.
Solar Cell
Wind Energy
Material Efficiency
Wind Farm

6. Structure in which the energy of falling or flowing water spins a turbine generator to produce electricity.
Superinsulated House
Solar Cell
Hydroelectric Power Plant
Resource Productivity

7. Electrical energy produced by falling or flowing water. See hydroelectric power plant.
Active Solar Heating System
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
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
Hydropower

8. What are the advantages of biomass?
Combined Heat and Power 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 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
Passive Solar Heating System

9. 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.
Solar Energy
Wind Energy
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
Micropower Systems

10. Production of two useful forms of energy - such as high-temperature heat or steam and electricity - from the same fuel source.
PV Cell
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
Cogeneration

11. 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.
CHP System
Superinsulated House
Wind Farm
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

12. What are the advantages of wind power?
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
Wind Farm
Hydropower

13. Device that converts radiant (solar) energy directly into electrical energy. Also called a solar cell.
Micropower Systems
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
CHP System

14. 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.
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
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
Passive Solar Heating System

15. Energy derived from the sun in the form of solar radiation.
Wind Energy
Resource Productivity
Material Efficiency
Solar Energy

16. Gas or liquid fuel (such as ethyl alcohol) made from plant material (biomass).
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
Active Solar Heating System
Biofuel
Combined Heat and Power System

17. 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.
Passive Solar Heating System
CHP System
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

18. Total amount of material needed to produce each unit of goods or services. Also called resource productivity. Compare energy efficiency.
Superinsulated House
Material Efficiency
Wind Farm
Solar Energy

19. Also known as Photovoltaic Cell; Device that converts radiant (solar) energy directly into electrical energy. Also called a solar cell.
Superinsulated House
Solar Cell
Wind Energy
Active Solar Heating System

20. How could we improve energy efficiency?
Solar 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.
Geothermal Energy
Combined Heat and Power System

21. Device for collecting radiant energy from the sun and converting it into heat. See active solar heating system - passive solar heating system.
PV Cell
Solar 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
Solar Collector

22. What are the advantages of solar energy?
Combined Heat and Power 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
Solar Cell
Wind Energy

23. 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 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 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
Resource Productivity
Cogeneration

24. Also known as Photovoltaic Cell; Device that converts radiant (solar) energy directly into electrical energy. Also called a solar cell.
PV Cell
Wind Energy
Micropower Systems
Photovoltaic Cell

25. What are the advantages of using smaller - decentralized micropower sources?
CHP System
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
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

26. What are the advantages of improving energy efficiency?
Superinsulated House
Energy Efficiency
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
Energy Productivity

27. Cluster of wind turbines in a windy area on land or at sea - built to capture wind energy and convert it into electrical energy.
Combined Heat and Power System
Wind Farm
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 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

28. 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.
Cogeneration
Geothermal Energy
Energy Efficiency
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

29. What are the advantages of hydropower?
Wind Energy
Superinsulated House
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

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

31. 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
Hydroelectric Power Plant
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
Solar Collector