A Heat Engine Having the Maximum Possible Efficiency Has an Efficiency

question 45

Multiple Choice

A heat engine having the maximum possible efficiency has an efficiency of 25% when operating between two heat reservoirs.If the temperature of the cold reservoir is 300 K,what is the temperature of the hot reservoir?

• A)350 K
• B)375 K
• C)400 K
• D)450 K
• E)500 K

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