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Railways NTPC (Technical Ability) Fluid Mechanics and Machinery Question Bank Fluid Mechanics

  • question_answer
    The continuity equation \[\frac{\partial u}{\partial x}+\frac{\partial v}{\partial y}+\frac{\partial w}{\partial z}=0\] is valid only for:

    A) Ideal fluid flow

    B) Incompressible fluid whether the flow is steady or not

    C) Steady flow, whether is compressible or not

    D) Steady flow and compressible fluids

    Correct Answer: A

    Solution :

    Continuity equation is applicable for incompressible fluids and steady motion.


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