CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2001

  • question_answer
    In a Carnot heat engine 8000 J of heat is absorbed from a source at 400 K and 6400 J of heat is rejected to the sink. The temperature of the sink is:

    A)  320 K                                   

    B)  100 K   

    C)         zero                     

    D)         273 K

    E)  400 K

    Correct Answer: A

    Solution :

    \[\frac{{{Q}_{1}}}{{{Q}_{2}}}=\frac{{{T}_{1}}}{{{T}_{2}}}\Rightarrow \frac{8000}{6400}=\frac{400}{{{T}_{2}}}\] \[\Rightarrow \]               \[{{T}_{2}}=320\,K\]


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