33. The primary value of Super Capacitors is they are coupled with batteries and

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33. The primary value of Super Capacitors is they are coupled with batteries and can provide short intense burst of energy, and are charged quickly. They can transfer energy either quickly or slowly, which allows for a more efficient charging of the paired battery. This feature enables an improved efficiency for regenerative braking systems in electric, or hybrid electric, automobiles. True/False) 34. Hydrogen fuel cells emit zero greenhouse gases during operation. (True/False) Nuclear Power 35. Operational costs of Nuclear Power plants are high because the radioactive fuel is expensive. True/False) 36. The ratio of capital costs to operational costs for Nuclear Power are approximately the same as for Natural Gas Power. (True/False) 37. Nuclear power is the only technology available today that can scale up to deliver the power the world demands without generating any greenhouse gases. (True/False) 38. The geopolitical issue about Nuclear Power is primarily a concern about: a. b. c. safety in transportation and disposal of spent fuel weaponization of nuclear material by terrorist sufficient technological knowledge to mitigate nuclear accidents at the plants 39. Fusion is an area of technological promise that is nearing commercial viability. True/False) Solar Technology 40. The solar flux density incident on the Earth at the top of the atmosphere is a. b. c. d. 1.0 kilowatt per square meter 1.3 kilowatts per square meter 1.6 kilowatts per square meter 1 kilojoule per square meter 41. Isolation tables, such as those published by NREL, are useful to capture both seasonal and geographic effects on the amount of energy you can capture with a given solar array, whether it is for a solar thermal or a solar electric application. (True/False) 42. Passive Solar Design refers to

Explanation / Answer

33. True

The super capacitor has emerged with the potential to enable major advances in energy storage. They utilize higher surface area electrodes and thinner dielectric. This allows energy density greater than those of conventional capacitor and power density greater than those of batteries.

34. True

Hydrogen fuel cell uses hydrogen as a fuel which is obtained by electrolysis of water. It is the sustainable fuel cell which cause no harm to environment. The exhaust from this cell is also water.

35. False.

Nuclear power plant are expensive to build but there running cost are less. Fuel costs are a minor proportion of total generating cost.

36. True

For plant capital cost is high but operational cost are less.

37. To meet the growing demand of power the only way to meet the requirements is shifting towards nuclear energy. The greenhouse gas emissions are negligible as compared to other power plant.

38. The main problem associated with nuclear power is disposal of nuclear waste & the secondary problem associated is the threat of wrong uses by terrorist.

39. True

Fusion is an area of technological promises because the fuel for fusion is abundantly available, it has low environmental impact, with fusion power station would provide energy at constant rate.

40. Average annual solar radiation arriving at the top of the Earth's surface is roughly 1361 W/m^2 or 1.3 Kw per square meter.

41. True

Those tables can give idea about the isolation which Earth will receive in different season, so according to this we can adjust our needs and demand.

42. Passive solar design refers to the use of Sun's energy for heating and cooling of living spaces by exposing it to sun. There can be three possibility absorption, reflection or transmission.

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