U.S. Department of Energy (DOE) Renewable Energy Specialist Solar Practice Questions
The free U.S. Department of Energy (DOE) Renewable Energy Specialist questions that deal with solar, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #5
Which of the following is a disadvantage of solar energy?
Correct answer: D
Explanation
Solar energy systems often require high upfront investment.
Question #9
Which factor is most critical in determining the efficiency of solar panels?
Correct answer: A
Explanation
The quality of materials used in solar panels significantly affects their efficiency.
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