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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. If the fluid particles move in a zig-zag way, the flow is called

2 / 50

2. *Hydraulic gradient line (except siphon)

3 / 50

3. *In flow, the liquid particles may possess

4 / 50

4. The section of the Jet leaving an orifice, having the minimum cross-section area, is called

5 / 50

5. 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)

6 / 50

6. The ratio of the percentage error in the discharge and the percentage error in the measurement of head over a triangular notch is

7 / 50

7. A siphon is an

8 / 50

8. *The hydraulic ram is a pump that works on

9 / 50

9. In an open channel flow

10 / 50

10. *The pressure in pipe flow is normally

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11. *Surface tension is the force

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12. In the case of a broad-crested weir, the depth of water h at the end of the still is given by

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13. *The discharge passing through the crest having a length of 1.25m, a height of the flow of water 0.25m, and Cd = 0.035 is

14 / 50

14. Poise is the unit of

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15. An oil of specific gravity 0.7 and pressure 0.14 kgf/cm^2 will have the height of oil as

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16. *The rate of flow through a V-notch varies as:

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17. *If a pitot tube is placed with its nose facing downstream, the liquid

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18. *Capillarity of water is

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19. The profile of rising water on the upstream side of the dam is called

20 / 50

20. *Viscosity of a liquid

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21. When the pipes are connected in parallel, the total loss of head

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22. The depth of flow after the hydraulic jump is

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23. In an inclined position, a venturimeter records

24 / 50

24. Water belongs to

25 / 50

25. Which of the following quantities are dimensionless?

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26. *To measure very low pressure, we use:

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27. The basic head loss in a long pipe is:

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28. *The magnitude of water hammer depends upon

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29. *The imaginary line joining each head of water is called

30 / 50

30. *A stepped notch is a combination of

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31. *The width of a weir with end contraction is

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32. In fluids, steady flow occurs when

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33. *The actual velocity through an orifice is........... than the theoretical velocity.

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34. Cavitations is collapsed by

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35. When the fluid is at rest, the shear stress is

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36. Weber number is the ratio of inertia force to

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37. *The upper surface of the weir over which water flows is known as:

38 / 50

38. The most economical section of a circular channel for the maximum discharge is when

39 / 50

39. *Back water curve is caused if there is a

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40. The attraction among different particles of the same material is

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41. The line joining the points to which the liquid rises in vertical piezometer tubes fitted at different cross-sections of a conduit is known as

42 / 50

42. *Pressure within a soap bubble is

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43. *Cipolleti weir is a

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44. *Surface float is used to measure

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45. *A pitot tube is used to measure

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46. *Bernoulli's equation assumes that

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47. A fluid particle may possess the displacement of

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48. *The atmospheric pressure varies with

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49. *The specific weight of water 1000 kg/m^3

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50. Specific weight of liquid

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