2. Solved Papers
  3. J & K CET Medical

J & K CET Medical J & K - CET Medical Solved Paper-2013

  • question_answer
    The efficiency of a Carnot engine kept at the temperatures of\[27{}^\circ C\]and\[127{}^\circ C\]is

    A)  20%             

    B)  25%

    C)  30%             

    D)  40%

    Correct Answer: B

    Solution :

     Efficiency \[\eta =1-\frac{{{T}_{2}}}{{{T}_{1}}}\] Given, \[{{T}_{2}}=27{}^\circ C=24+273=300K\] \[{{T}_{1}}=127{}^\circ C=127+273=400K\] \[\eta =1-\frac{3}{4}=25%\]


You need to login to perform this action.
You will be redirected in 3 sec spinner