Railways Technical Ability Fluid Mechanics and Machinery Question Bank Fluid Mechanics

  • question_answer Which one of the following is satisfied if the flow is irrotational for a two-dimensional fluid element in the \[x-y\] plane?

    A) \[\frac{\partial v}{\partial x}=\frac{\partial u}{\partial y}\]                        

    B) \[\frac{\partial v}{\partial x}=\frac{\partial u}{\partial y}\]

    C) \[\frac{\partial u}{\partial x}=\frac{\partial v}{\partial y}\]                        

    D) \[\frac{\partial u}{\partial x}=\frac{\partial v}{\partial y}\]

    Correct Answer: A


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