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Hydraulics Online Test – Paper 3

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Created by 83a36dcfd5c4caff12bc80f0020c9c749e12cbbbdb7c406dc1dd39996cb85836?s=32&d=monsterid&r=g gkaimVikash chaudhary

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  • Total Questions: 50
  • Time Allotted: 50 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
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1. *The magnitude of water hammer depends upon

2 / 50

2. *Cipolleti weir is a

3 / 50

3. A substance which deforms continuously under the action of shear stress is called

4 / 50

4. *Stoke is the unit of

5 / 50

5. *The hydraulic ram is a device

6 / 50

6. The maximum velocity in an open channel occurs

7 / 50

7. *Surface float is used to measure

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8. The numerical value of vorticity is.....of the rotation

9 / 50

9. The total energy of a liquid in motion is equal to:

10 / 50

10. Water hammer is a phenomenon that occurs

11 / 50

11. *The upper surface of the notch over which water flows is known as

12 / 50

12. "Manning's formula is used for

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13. For the laminar flow through a circular pipe, the maximum velocity is

14 / 50

14. Cavitations is collapsed by

15 / 50

15. Discharge over an ogee weir remains the same as that of

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16. The error 1% in measuring H will produce a

17 / 50

17. Which of the following has the highest coefficient of discharge:

18 / 50

18. The upward water pressure at the base of the structure is called

19 / 50

19. Total head of a particle in motion is the sum of

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20. Total pressure on the top of a closed cylindrical vessel completely filled with liquid is directly proportional to

21 / 50

21. *Hydraulic gradient line (except siphon)

22 / 50

22. Velocity of flow may be determined using:

23 / 50

23. *Water cushion is used to

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24. Super-critical flow occurs in

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25. *The difference between the total energy line and the hydraulic gradient line is

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26. The inlet length of a venturimeter

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27. *The condition for the maximum velocity and discharge is given by (closed flow)

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28. *Pressure within a soap bubble is

29 / 50

29. *An independent mass of a fluid does not possess

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30. *The term v^2/2g is known as

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31. *Viscosity of a liquid

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32. *The discharge through a rectangular channel is maximum when

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33. Head loss due to friction in a pipe is given by the Darcy-Weisbach equation

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34. *The equation of continuity of fluids is applicable only if

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35. If the pressure is applied to the surface of a liquid, the liquid transmits the pressure equally in all directions is given by

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36. From a nozzle exposed to the atmosphere, the liquid jet traverses

37 / 50

37. *In flow, the liquid particles may possess

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38. *Hydraulic gradient line (H.G.L.) represents the sum of

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39. The continuity equation

40 / 50

40. *The orifice used for low discharge is

41 / 50

41. A fluid particle may possess the displacement of

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42. In an open channels the analysis of a sugar is done by using

43 / 50

43. If the density of a fluid changes from point to point in a flow region, it is called

44 / 50

44. For a circular channel, the wetted perimeter is given by (where θ=half the angle subtended by the water at the center and R= radius of circular channel)

45 / 50

45. Specific weight of sea water is more than that of pure water because of

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46. *Differential manometers are used to measure

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47. *If fluid or flow parameters at any given instant remain the same at every point in space, it is called:

48 / 50

48. The water immediately downstream of the conduit or weir is called

49 / 50

49. Crest of a weir is lower than d/s water level

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50. Reynolds number is the ratio of initial force and

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