Railways Technical Ability Turbomachinery Question Bank Turbomachinery

  • question_answer Under which one of the following sets of conditions will a supersonic compressor have the highest efficiency?

    A) Rotor inlet velocity is supersonic and exit velocity subsonic; stator inlet velocity is subsonic and exit velocity is subsonic.

    B) Rotor inlet velocity is supersonic and exit velocity subsonic; stator inlet velocity is supersonic and exit velocity is subsonic.

    C) Rotor inlet velocity is supersonic and exit velocity supersonic; stator inlet is supersonic and exit velocity is subsonic.

    D) Rotor inlet velocity is supersonic and exit velocity supersonic; stator inlet velocity is subsonic and exit velocity is Subsonic

    Correct Answer: C


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