QQuestionEngineering
QuestionEngineering
"Which of the following is the best example of cogeneration?
A. A power plant uses both coal and natural gas as fuel.
B. A trash-to-steam power plant accepts both residential and commercial waste.
C. Several power plants supply the same city with electrical energy.
D. Emissions from power plants are captured and stripped of sulfur for commercial sale.
E. A coal-fired power plant captures waste heat and uses it to heat adjacent buildings."
6 months agoReport content
Answer
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Step 2: Understanding Cogeneration
Cogeneration (combined heat and power) is a process where a power plant simultaneously generates electricity and useful thermal energy from a single fuel source. The key is that waste heat from electricity generation is captured and used for another productive purpose, rather than being wasted.
Final Answer
A coal-fired power plant captures waste heat and uses it to heat adjacent buildings. This is the most accurate and complete example of cogeneration, where electricity generation and thermal energy utilization occur simultaneously from a single energy source.
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