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The efficiency of the reversible heat engine is $η_{r}$ , and that of irreversible heat engine is $η_{l}$ . Which of the following relations is correct?

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ηr > ηl

ηr < ηl

ηr >, ηl

ηr > 1 and ηl < 1

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detailed solution

Correct option is A

The efficiency of reversible engine is always greater than that of irreversible engine. In case of irreversible engine, a part of the energy may be dissipated against friction, etc.

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The efficiency of the reversible heat engine is ηr, and that of irreversible heat engine is ηl. Which of the following relations is correct?

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material

The efficiency of the reversible heat engine is $η_{r}$ , and that of irreversible heat engine is $η_{l}$ . Which of the following relations is correct?