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Railways NTPC (Technical Ability) Theory of Machines and Machine Design Question Bank Theory of Machines

  • question_answer
                       Weber number is ratio of square root of inertia force to:

    A) Surface force                 

    B) Gravity force

    C) Pressure force    

    D) Viscous force

    Correct Answer: A

    Solution :

    Weber number \[={{\left( \frac{Inertia\,\,force}{Surface\,\,tension\,\,force} \right)}^{1/2}}\]


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