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Railways NTPC (Technical Ability) Turbomachinery Question Bank Turbomachinery

  • question_answer
    Consider the following factors:
    1.  Cylinder size
    2.  Clearance ratio
    3.  Delivery pressure 
    4. Compressor shaft power.
    The factors which affect the volumetric efficiency of a single-stage reciprocating air compressor would include:

    A) 1 and 2            

    B) 3 and 4

    C) 2 and 3            

    D) 1 and 4

    Correct Answer: A

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