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Home ‣ Mechanical Engineering ‣ Hydraulics and Fluid Mechanics Comments
  • Question

  • The Euler's equation for the motion of liquids is based upon the assumption that


  • Options
  • A. the fluid is non - viscous, homogeneous and incompressible
  • B. the velocity of flow is uniform over the section
  • C. the flow is continuous, steady and along the stream line
  • D. all of the above

  • Correct Answer
  • all of the above 

    • Hydraulics and Fluid Mechanics problems

    Search Results

    • 1. A flow in which each liquid particle does not have a definite path and the paths of individual particles also cross each other, is called turbulent flow.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 2. The Francis formula for the discharge over Cippoletti weir is

    • Options
    • A. 1.84 LH1/2
    • B. 1.84 LH
    • C. 1.84 LH3/2
    • D. 1.84 LH5/2
      • Discuss
    • 3. A flow through a long pipe at constant rate is called

    • Options
    • A. steady uniform flow
    • B. steady non-uniform flow
    • C. unsteady uniform flow
    • D. unsteady non-uniform flow
      • Discuss
    • 4. In an external or internal mouthpiece, the absolute pressure head at vena contracta is zero when atmospheric pressure head is 10.3 m of water.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 5. The depth of water in a channel corresponding to the minimum specific energy is known as critical depth.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 6. A body floating in a liquid is said to be in a stable equilibrium, if its metacentre coincides with its centre of gravity.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)

    • Options
    • A. 0.5 a2gH
    • B. 0.707 a2gH
    • C. 0.855 a2gH
    • D. a2gH
      • Discuss
    • 8. A piezometer tube is used only for measuring

    • Options
    • A. low pressure
    • B. high pressure
    • C. moderate pressure
    • D. vacuum pressure
      • Discuss
    • 9. A venturiflume is a flumed structure constructed across a channel by restricting its width.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The velocity corresponding to Reynold number of 2000 is called

    • Options
    • A. sub-sonic velocity
    • B. super-sonic velocity
    • C. lower critical velocity
    • D. higher critical velocity
      • Discuss

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