ThermodynamicsMedium

Question

The efficiency of the reversible heat engine is ηr and that of irreversible heat engine is ηi. Which of the following relation is correct?

Options

A.ηr = ηi
B.ηr > ηi
C.ηr < ηi
D.ηi may be less than, greater than or equal to ηr, depending on the gas.

Solution

Reversible heat engine is always more efficient than irreversible heat engine.

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