| 1. |
The use of renewable energy increased greatly just after the first big oil crisis in the late ____________ . |
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Nineties |
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Seventies |
| 2. |
This section of the report will concentrate on two forms of renewable energy________ and ________and on the role of smart grids in addressing the problems associated with the efficient and reliable delivery and use of electricity and with the integration of renewable sources. |
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Solar; Wind |
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Hydraulic;Bio-degradable |
| 3. |
The use of more efficient control strategies would not only ________the performance of these systems, but would________ the number of operational hours of solar and wind plants and thus __________ the cost per kilowatt-hour (KWh) produced. |
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increase; increase; reduce |
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decrease; decrease; reduce |
| 4. |
According to the above picture, what does the picture depict? (Refer to page-5)
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Wind Turbine |
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Hydraulic plant |
| 5. |
The Solar One power tower, developed in Southern California in 1981, was in operation from 1982 to 1986. It used 1,818 mirrors, each 40 m², for a total area of 72,650 m². |
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True |
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False |
| 6. |
Solar power plant systems cannot be controlled with simple control strategies. The __________ vector needs to be computed, and for each heliostat, the normal vector is computed such that it divides the angle formed by the sun vector and the vector joining the center of the heliostat with the receiver |
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Sun |
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Wind |
| 7. |
According to the World Wind Energy Association, the net growth rate is expected to be more than ______ per year. The top five countries, the United States, Germany, Spain, China, and India, currently share about _______ of the world capacity. |
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21%; 73% |
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15%; 40% |
| 8. |
According to Tale-1 on Wind Energy Challenge (page-14), what does TC.5 mean? |
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Offshore wind turbines |
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Extreme weather conditions |
| 9. |
One of the 21st Century’s Grand Challenges for Engineering identified by the U.S. National Academy of Engineering is to make solar energy economical: “Overcoming the barriers to widespread solar power generation will require engineering innovations in several arenas-for capturing the sun’s energy, converting it to useful forms and storing it for use when the sun itself is obscured |
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True |
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False |
| 10. |
Clean energy is a global and urgent imperative. Renewable generation, especially from wind and solar, and smart grid concepts are critical technologies needed to address global warming and related issues. The key challenge is to reduce the cost of renewable energies to affordable levels. Control and related technologies will be essential for solving these complex problems. |
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True |
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False |
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