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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
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1. *The magnitude of capillary rise is more in:

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2. Hydraulic gradient line for an open flow channel is

3 / 50

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

4 / 50

4. Cavitations in flowing fluid occurs when

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5. Liquids

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

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7. One horsepower is equal to

8 / 50

8. *Molecules of fluids get attracted due to

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9. A siphon is an

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

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11. A siphon is used

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12. *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

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13. Velocity of flow may be determined using:

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14. Practical fluids possess

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

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16. If the Froude number in open channel flow is equal to 1.0, the flow is called

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17. *If the velocity of fluid particles varies from point to point in magnitude and direction, as well as from instant to instant, the flow is said to be

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18. The pressure less than atmospheric pressure is known as

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19. *The atmospheric pressure varies with

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20. Specific weight of liquid

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21. In an inclined position, a venturimeter records

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22. For a long pipe, the head loss

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23. *The rate of flow through a venturimeter varies as

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24. "Manning's formula is used for

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

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27. 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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28. Specific energy of a flowing fluid per unit weight is equal to

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29. Reynolds number is the ratio of initial force and

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30. The viscosity of liquids varies with temperature

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

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32. For any channel section, the specific energy increase with

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33. If the total head of the nozzle of a pipe is 37.5m and the discharge is 1 cubic meter per second, then the power generated is

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

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

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36. *Differential manometers are used to measure

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

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38. *In flow, the liquid particles may possess

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39. In an open tube, the free surface of mercury remains

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

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41. Chazy's formula is used to determine

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42. An intensifier is used to increase

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43. *The flow in which the path of individual particles of liquid cross each other is called

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44. The Manning's formula for flow in an open channel is given by

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45. *Hydraulic gradient is equal to

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

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47. *Total energy line (T.E.L) represents the sum of

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48. *Bernoulli's equation is applied to

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49. Water hammer is a phenomenon that occurs

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50. The hydrostatic force exerted by 2 m deep water on the gate downstream is equal to

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