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J & K CET Engineering J and K - CET Engineering Solved Paper-2006

  • question_answer
    A gas \[\left( \gamma =\frac{5}{3} \right),\] expands isobaric ally. The percentage, of heat supplied that increases thermal energy and that involved in doing work for expansion is

    A)  \[40:60\]      

    B)  \[60:40\]

    C)  \[50:50\]      

    D)  \[25:30\]           

    Correct Answer: B

    Solution :

    \[\frac{{{Q}_{1}}}{{{Q}_{2}}}=\frac{{{C}_{V}}dT}{RdT}=\frac{\frac{3}{2}R}{R}=\frac{3}{2}\]  that is \[60:40\].


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