Which renewable power system can store energy and deliver power into tire grid o
ID: 231711 • Letter: W
Question
Which renewable power system can store energy and deliver power into tire grid on demand exactly when It Is needed? Is anaerobic digestion a thermochemical or biochemical process? What is a key factor in tidal turbine design and cost? Accessibility for maintenance and repair Danger to birds Variations in tidal flow List these thin film PV cells in the order of lowest to highest efficiency: CdTe, CIGS, a-Si, multi-junction a-Si Roughly how much water will need to be pumped to Lake Mead at the top of the 220 metre high Hoover Dam plant to store 1 39 kWh or 5 million joules? A 15 MW plant installed in a Brazilian river has an efficiency of 75% and an effective of 200 metres. What is the approximate design flow rate? Briefly discuss the significance of direct gain passive solar building design in the application of renewable energy? What are the important features of passive solar building design? Why is it effective?Explanation / Answer
16) b
17) Anaerobic digestion is a biochemical process during which complex organic matter is decomposed in absence of oxygen, by various types of anaerobic micro organisms.
18) c
19) a-Si(6-8%) , CdTe(9-11%) , CIS/CIGS( 10-12%), multijunction a-Si(20-25%)
20)
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