Railways Technical Ability Turbomachinery Question Bank Turbomachinery

  • question_answer Consider the following statements:
    For a single-stage water cooled air compressor,
    1.  The volumetric efficiency decreases as the pressure ratio is increased.
    2.  Shaft power/\[{{m}^{3}}\]/min of free air increases as the pressure ratio is increased.
    Which of the statements given above is/are correct?

    A) 1 only              

    B) 2 only

    C) Both 1 and 2                 

    D) neither 1 nor 2

    Correct Answer: C

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