All Real Engines Are Less Efficient Than the Carnot Engine

question 54

Multiple Choice

All real engines are less efficient than the Carnot engine because

• A) they do not operate through the Otto cycle.
• B) they do not operate through a reversible cycle.
• C) the working substance does not maintain a constant volume through the cycle.
• D) the working substance does not maintain a constant pressure through the cycle.
• E) the working substance does not maintain a constant temperature through the cycle.

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