An inventor claims to have developed a heat engine working between temperature 27°c and 227°c having efficiency of 45% is the claim valid? Prove
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If this engine is only thermal, such an efficiency is theoretical impossible.
The thermal cycle can’t have a higher efficiency than the Carnot cycle operating between the same temperatures.
The latter has an efficiency of nearly 40%, moreover theoretical.
A real Carnot engine moreover would have quite less efficiency.
The alleged engine can’t have an efficiency of 45%.
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