Which of the following is an example of cogeneration?
A) A power plant uses water to cool electricity-generating turbines, then lets the hot water cool in large cooling ponds.
B) A power plant burns coal to produce electricity, and uses "scrubbers" to reduce pollution.
C) A power plant takes steam left over after electricity production and uses it to heat buildings.
D) A power plant uses water to cool electricity-generating turbines, then releases the hot water into a nearby lake.

Question

Quizplus · Accepted Answer

Cogeneration, also known as combined heat and power, is the simultaneous production of electricity and useful heat from the same energy source. Choice C describes a power plant that uses leftover steam from electricity production to heat buildings, which is an example of cogeneration. Choices A and D describe cooling systems, but do not mention any simultaneous production of heat or electricity. Choice B describes pollution control measures, but does not involve the production of heat or electricity.

Which of the Following Is an Example of Cogeneration