Final Answer:The scenario that is an example ofcogenerationis option d) using the steam given off from a coal-fired electrical generation plant to heat nearby buildings.Explanation:Cogeneration, also known as combined heat and power (CHP), is thesimultaneousproduction of electricity and useful heat from the same energy source. In the given options, option d aligns with this concept.In a coal-fired electrical generation plant, the primary goal is to generate electricity by burning coal to produce steam, which then drives turbines connected to generators.However, this process also generates a significant amount of waste heat in the form of steam that is not converted into electricity. Instead of letting this waste heat go to waste, it can be harnessed for another purpose, such as heating nearby buildings.The waste steam produced in the electricalgenerationprocess can be redirected through a system of pipes to provide heat for heating systems in nearby buildings, reducing the need for separate heating systems to be powered by additionalenergy sources.This utilization of the waste heat for heating purposes enhances the overall energy efficiency of the coal-fired plant, making it an example of cogeneration.By employing this approach, the plant is able to generate electricity while simultaneously providing a useful service—space heating. This is a more efficient use of the primary energy source (coal) compared to solely generating electricity and releasing waste heat into the environment.Learn more aboutCogenerationbrainly.com/question/14518520#SPJ11...

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