An Electrical Generating Plant Operates at a Boiler Temperature of 224°C

question 70

Multiple Choice

An electrical generating plant operates at a boiler temperature of 224°C and exhausts the unused heat into a nearby river at 21°C.What is the maximum theoretical efficiency of the plant? (0°C = 273 K)
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• A) 17%
• B) 7%
• C) 64%
• D) 41%
• E) ​74%

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