Question: Most car engines are less than 3 6 % efficient. If a Carnot engine is 3 6 % efficient operating within an environment that is

Most car engines are less than

36 %

efficient. If a Carnot engine is

36 %

efficient operating within an environment that is at a temperature of

25 C,

what is the temperature of the fuel source for the Carnot engine? Assuming a car engine works at this efficiency in the same environment, would you expect the ignition temperature to be higher or lower than the Carnot fuel temperature?

Most car engines are less than 3 6 % efficient.

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