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AMU Medical AMU Solved Paper-1995

  • question_answer
    An irreversible engine works between\[500{}^\circ K\] and\[200{}^\circ K\]. Its efficiency is

    A)  0.6              

    B)  0.7

    C)  0.8               

    D)  none of the above

    Correct Answer: A

    Solution :

     : Efficiency \[=1-\frac{{{T}_{2}}}{{{T}_{1}}}\] \[\therefore \]\[\eta =1-\frac{200}{500}=\frac{3}{5}=0.6\]


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