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J & K CET Engineering J and K - CET Engineering Solved Paper-2014

  • question_answer
    Calculate, the efficiency of the engine, if Carnot cycle operates at \[{{T}_{1}}=550\,K\] and \[{{T}_{2}}=320\,K\] producing \[2.3\text{ }kJ\]of mechanical work per cycle?

    A)  \[0.418\] 

    B)  \[0.622\]  

    C)  \[0.823\]  

    D)  \[0.902\]

    Correct Answer: A

    Solution :

    Efficiency \[\eta =1-\frac{{{T}_{2}}}{{{T}_{1}}}\] \[=1-\frac{320}{550}=1-0.58=0.418\]


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