logo

CuriousTab

CuriousTab

Discussion


Home Mechanical Engineering Hydraulics and Fluid Mechanics Comments

  • Question
  • 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

  • Correct Answer
  • 0.5 a2gH 


  • Hydraulics and Fluid Mechanics problems


    Search Results


    • 1. 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
    • 2. 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
    • Discuss
    • 3. 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
    • 4. 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
    • 5. 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
    • 6. A piezometer tube is used only for measuring

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

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. 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
    • 9. The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid.

    • Options
    • A. equal to
    • B. less than
    • C. more than
    • Discuss
    • 10. All the gases are considered to have compressible flow and all the liquids are considered to have incompressible flow.

    • Options
    • A. Correct
    • B. Incorrect
    • Discuss


    Comments

    There are no comments.

Enter a new Comment