Which statement is incorrect?

  • Option 1)

    all reversible cycles have same efficiency

  • Option 2)

    reversible cycle has more efficiency than an irreversible one

  • Option 3)

    Carnot cycle is a reversible one

  • Option 4)

    Carnot cycle has the maximum efficiency in all cycles.

 

Answers (1)

As we learnt in 

Efficiency of a cyclic process -

\eta = \frac{work\, done \, per \, cyclic}{gross \, heat\, supplied \, per\, cyclic}

 

- wherein

Gross heat implied only part of heat absorbed.

 

 


Option 1)

all reversible cycles have same efficiency

Correct

Option 2)

reversible cycle has more efficiency than an irreversible one

Incorrect

Option 3)

Carnot cycle is a reversible one

Incorrect

Option 4)

Carnot cycle has the maximum efficiency in all cycles.

Incorrect

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