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Mechanical Engineering :: Hydraulics and Fluid Mechanics

  1. The ratio of the inertia force to the __________ is called Euler's number.

  2. A.

    pressure force

    B.

    elastic force

    C.

    surface tension force

    D.

    viscous force


  3. Kinematic viscosity is the product of dynamic viscosity and the density of the liquid.

  4. A.

    Yes

    B.

    No


  5. A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a

  6. A.

    notch

    B.

    weir

    C.

    mouthpiece

    D.

    nozzle


  7. A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface.

  8. A.

    H/3

    B.

    H/2

    C.

    2H/3

    D.

    3H/4


  9. A nozzle is generally made of

  10. A.

    cylindrical shape

    B.

    convergent shape

    C.

    divergent shape

    D.

    convergent-divergent shape