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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. *Hydraulic gradient is equal to

2 / 50

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

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

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4. *Hydraulic gradient line (except siphon)

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5. The viscosity of liquids varies with temperature

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6. Hooke's law for solids is analogous to

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

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8. *Pascal's law states that pressure at a point is equal in all directions

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9. *Surface tension is the force

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

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11. *Capillarity of water is

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12. *Water cushion is used to

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13. *Uniform flow is said to occur when

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14. *An ideal flow of a liquid obeys

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

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

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18. *The notch angle for the maximum discharge over a triangular notch is

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

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

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21. Which of the following is the example of laminar flow?

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22. ........ is defined as the maximum increase in water level in the path of the flow of water

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23. In the case of leveling by a level pipe, the level is indicated by

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

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25. *If a pitot tube is placed with its nose facing sideways, the liquid

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26. *Surface float is used to measure

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27. *A pitot tube is used to measure

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28. Open channel flow is

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29. *Piezometers are used to measure

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

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31. *A flow is said to be laminar when

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32. *The floating method is used for the measurement of

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

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34. *Pressure head is given by

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35. "Manning's formula is used for

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36. To avoid an interruption in the flow of a siphon, the air vessel is provided

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37. For uniform flow in the channel

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

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39. The ratio of the mean velocity to the surface velocity in open channels is equal to

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40. The phenomenon of rising of a liquid surface in a tube of small diameter relative to the adjacent normal level of the liquid is known as

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

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42. *In flow, the liquid particles may possess

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43. 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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44. When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as:

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45. Cavitations in flowing fluid occurs when

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

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47. For the flow of liquid from an open-ended tube (nozzle) leading to the formation of a spray of liquid drops, the number generally is

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48. *Which of the following statements is valid?

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49. Hydraulic gradient line and total energy line are

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50. Poise is the unit of

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