BCECE Engineering BCECE Engineering Solved Paper-2009

  • question_answer
    The dimensions of Reynoldss constant are

    A)  \[\text{ }\!\![\!\!\text{ }{{\text{M}}^{\text{o}}}{{\text{L}}^{\text{o}}}{{\text{T}}^{\text{o}}}\text{ }\!\!]\!\!\text{ }\]               

    B)        \[\text{ }\!\![\!\!\text{ M}{{\text{L}}^{-1}}{{\text{T}}^{-1}}\text{ }\!\!]\!\!\text{ }\]       

    C)        \[\text{ }\!\![\!\!\text{ M}{{\text{L}}^{-1}}{{\text{T}}^{-2}}\text{ }\!\!]\!\!\text{ }\]       

    D)        \[\text{ }\!\![\!\!\text{ M}{{\text{L}}^{-2}}{{\text{T}}^{-2}}\text{ }\!\!]\!\!\text{ }\]

    Correct Answer: A

    Solution :

    Reynolds number is a pure number which determines the nature of flow of liquid through a pipe. It is a dimensionless quantity. Reynolds number is denned as the ratio of the inertial force per unit area to the viscous force per unit area for a flowing fluid.


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