Question 9What is the difference between photovoltaic solar systems and concentrated solar thermal systems?
A. Photovoltaic solar systems produce electricity using solar panels while solar thermal systems use mirrors to transfer heat from the sun into a working fluid.
B. Concentrated solar thermal systems require a large central tower that sunlight is directed onto, and photovoltaic solar does not.
C. Photovoltaic solar systems never produce as much energy as it takes to make them, whereas concentrated solar thermal systems do.
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Question 6When talking about power stations, what is capacity factor?
A. Capacity factor is the same as efficiency
B. Capacity factor is the actual output divided by the nameplate capacity
Capacity factor is the ratio of lost production due to maintenance to nameplate capacity
Question 8Geothermal energy is one of the few energy sources that is not originally derived from the sun.
Question 7Bioenergy is transport fuel created from plants.
Question 5Hydropower does not produce any carbon dioxide emissions.
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