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Railways NTPC (Technical Ability) Turbomachinery Question Bank Turbomachinery

  • question_answer
    In the centrifugal air compressor design practice, the value of polytropic exponent of compression is generally taken as:

    A) 1.2                               

    B) 1.3

    C) 1.4                               

    D) 1.5

    Correct Answer: C

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