Railways Technical Ability Fluid Mechanics and Machinery Question Bank Fluid Mechanics

  • question_answer A liquid of specific gravity 0.82 flows with a velocity 4.4 m/s. Its velocity head is:

    A) 0.82 m             

    B) 4.43 m

    C) 1 m                              

    D) 19.6 m

    Correct Answer: C

    Solution :

    Velocity head \[=\frac{{{v}^{2}}}{2g}=\frac{{{(4.4)}^{2}}}{2\times 9.81}=0.987=1\,m\]

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