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  • question_answer Witch one of the following numbers represents the ratio of kinematic viscosity to the thermal diftusivity?

    A) Grashoff number

    B) Prandtl number

    C) Mach number    

    D) Nusselt number.

    Correct Answer: B

    Solution :

    Pradtl number, Pr \[=\,\,\frac{Kinetic\,\,vis\cos ity}{Thermal\,\,diffusivity}\]

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