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Test your basic knowledge |
Energy Efficiency And Renewable Energy
Start Test
Study First
Subject
:
engineering
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. Wing Power.
Cogeneration
Wind Energy
Energy Productivity
CHP System
2. 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.
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.
CHP System
Solar Energy
3. 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 Productivity
Wind Farm
Passive Solar Heating System
Biofuel
4. 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.
Biofuel
Geothermal 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
Combined Heat and Power System
5. 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
Superinsulated House
Cogeneration
6. What are the advantages of improving 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
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
Superinsulated House
7. 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
Wind Farm
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
8. Also known as Photovoltaic Cell; Device that converts radiant (solar) energy directly into electrical energy. Also called a solar cell.
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
Energy Efficiency
Wind Energy
9. 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
PV Cell
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
Biofuel
Energy Productivity
10. Electrical energy produced by falling or flowing water. See hydroelectric power plant.
Solar Energy
Solar Cell
Hydropower
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.
11. 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.
Solar Collector
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
Energy Efficiency
Solar Energy
12. In such a system - two useful forms of energy (such as steam and electricity) are produced from the same fuel source.
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
Combined Heat and Power System
Hydroelectric Power Plant
13. How could we improve energy efficiency?
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.
Solar Energy
Solar Collector
14. What are the advantages of using smaller - decentralized micropower sources?
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
Biofuel
Passive Solar Heating System
Active Solar Heating System
15. 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 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 Energy
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
Superinsulated House
16. 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.
Resource Productivity
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 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
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
Superinsulated House
Active Solar Heating System
Solar Collector
CHP System
18. What are the advantages of solar energy?
Resource Productivity
Energy Productivity
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
19. Production of two useful forms of energy - such as high-temperature heat or steam and electricity - from the same fuel source.
Cogeneration
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 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
20. Total amount of material needed to produce each unit of goods or services. Also called resource productivity. Compare 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
Micropower Systems
Material Efficiency
Solar Collector
21. Energy derived from the sun in the form of solar radiation.
Solar Energy
Micropower Systems
Hydropower
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
22. Also known as Photovoltaic Cell; Device that converts radiant (solar) energy directly into electrical energy. Also called a solar cell.
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 Energy
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
23. What are the advantages of wind power?
Biofuel
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 Cell
Geothermal Energy
24. Gas or liquid fuel (such as ethyl alcohol) made from plant material (biomass).
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
Biofuel
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
25. Device that converts radiant (solar) energy directly into electrical energy. Also called a solar cell.
Hydropower
Biofuel
Photovoltaic Cell
Solar Cell
26. What are the advantages of hydropower?
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
CHP System
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
27. What are the advantages of biomass?
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
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
28. 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 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 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
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.
29. 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.
Energy Efficiency
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
Solar Energy
30. Device for collecting radiant energy from the sun and converting it into heat. See active solar heating system - passive solar heating system.
Solar Collector
Energy Productivity
Solar 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
31. Structure in which the energy of falling or flowing water spins a turbine generator to produce electricity.
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
Resource Productivity
Hydropower
Hydroelectric Power Plant