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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%
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1. *The width of a weir with end contraction is

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

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

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

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5. Liquids or fluids

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

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7. *Chazy's formula is given by

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8. The discharge through a V-notch weir is directly proportional to:

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9. In fluids, steady flow occurs when

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10. "Manning's formula is used for

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11. For a long pipe, the head loss

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12. *Hydraulic gradient line (except siphon)

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13. Open channel flow is

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14. *Surface tension is the force

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15. If the fluid particles move in straight lines and all the lines are parallel to the surface, the flow is called

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

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17. With a clinging nappe of a weir, the excess discharge is

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18. The head of water representing in the case of HGL line is known as

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19. Mass density of liquid (p) is given by

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

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21. A siphon is used

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22. The pressure less than atmospheric pressure is known as

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23. *The magnitude of water hammer depends upon

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24. The maximum velocity in an open channel occurs

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25. *What affects the quantity of mass of a fluid?

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26. *The energy possessed by a fluid by virtue of its existing pressure is called

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27. *The pressure in pipe flow is normally

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28. If the Froude number in open channel flow is more than 1.0, the flow is called

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29. If the forces are due to inertia and gravity, and frictional resistance plays only a minor role, the design of channels is made by comparing

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30. *Manometers are used to measure

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31. *If the velocity in a fluid flow does not change with respect to the length of the direction of flow, it is called

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

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33. One horsepower is equal to

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34. The most efficient channel section is

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35. Cavitations is collapsed by

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

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

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38. *Viscosity of a liquid

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39. *The main assumption of Bernoulli's equation is

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40. *The orifice used for low discharge is

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41. *The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at its centroid if

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

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43. Weber number is the ratio of inertia force to

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44. In the case of vortex flow, the level of water at the center is

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45. If the volume of a liquid weighing 3000 kg is 4 cubic meters, then 0.75 is its

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

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

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48. A steady uniform flow is through a

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49. *A stepped notch is a combination of

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50. *Hydraulic gradient is equal to

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