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Railways NTPC (Technical Ability) Thermodynamics and Heat Transfer Question Bank Thermodynamics and Heat Transfer

  • question_answer
    If a heat engine attains 100% thermal efficiency, it violates

    A)  zero the law of thermodynamics

    B)  first law of thermodynamics

    C)  second law of thermodynamics

    D)  law of conservation of energy

    Correct Answer: C

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