The efficiency of the reversible heat engine is `eta_(r)` and that of irreversible heat engine is `eta_(l)`. Which of the following relations is correct?A. `eta_(1) gt eta_(2)`B. `eta_(1) lt eta_(2)`C. `eta_(1)=eta_(2)`D. `eta_(1) le eta_(2)`

The efficiency of the reversible heat engine is `eta_(r)` and that of

1.	The efficiency of the reversible heat engine is `eta_(r)` and that of irreversible heat engine is `eta_(l)`. Which of the following relations is correct?A. `eta_(1) gt eta_(2)`B. `eta_(1) lt eta_(2)`C. `eta_(1)=eta_(2)`D. `eta_(1) le eta_(2)`
Answer» Correct Answer - A In a irreversible heat engine a part of energy is lost due to friction.

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The efficiency of the reversible heat engine is `eta_(r)` and that of irreversible heat engine is `eta_(l)`. Which of the following relations is correct?A. `eta_(1) gt eta_(2)`B. `eta_(1) lt eta_(2)`C. `eta_(1)=eta_(2)`D. `eta_(1) le eta_(2)`

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