J & K CET Engineering J and K - CET Engineering Solved Paper-2012

  • question_answer
    Which of the following is a true statement?

    A)  The   total   entropy   of thermally interacting systems is conserved

    B)  Carnot engine has 100% efficiency

    C)  Total entropy does not change in a reversible process

    D)  Total entropy in an irreversible process can either increase or decrease

    Correct Answer: B

    Solution :

    Carnot engine have 100 percent efficiency must be isothermal compression.


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