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Mechanical Engineering :: Hydraulics and Fluid Mechanics

  1. According to Pascal's law, the intensity of pressure at any point in a fluid at rest is the same in all directions.

  2. A.

    Agree

    B.

    Disagree

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  3. The ratio of the inertia force to the surface tension force is called Weber's number.

  4. A.

    Correct

    B.

    Incorrect

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  5. For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called

  6. A.

    continuity equation

    B.

    Bernoulli's equation

    C.

    Pascal's law

    D.

    Archimede's principle

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  7. The buoyancy depends upon the

  8. A.

    weight of the liquid displaced

    B.

    pressure with which the liquid is displaced

    C.

    viscosity of the liquid

    D.

    compressibility of the liquid

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  9. In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.

  10. A.

    less than

    B.

    more than

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