Railways Technical Ability Turbomachinery Question Bank Turbomachinery

  • question_answer Given power 'P' of a pump, the head 'H' and the discharge 'Q' and the specific weight \['\omega '\] of the liquid, dimensional analysis would lead to the result that 'P' is proportional to:

    A) \[{{H}^{1/2}}\,\,{{Q}^{2}}w\]                      

    B) \[{{H}^{1/2}}\,\,Q\,w\]

    C) \[H\,{{Q}^{1/2}}\,w\]              

    D) \[H\,Q\,w\]

    Correct Answer: D


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