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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 flow in which each liquid particle has a definite path is called

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2. In an open channel flow

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3. The most efficient channel section is

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

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

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6. *Venturimeter is used to measure

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7. *An ideal flow of a liquid obeys

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8. If H is the height of the liquid above the sill, the effect of end contraction on each side, according to Francis' formula, is

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9. *Surface float is used to measure

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10. *Head loss increases with

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11. The multiplying factor for converting one poise into MKS unit of dynamic viscosity is

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12. The viscosity of gases varies with temperature

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

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

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15. *Water cushion is used to

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16. *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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17. *The types of instrument used to measure low pressure with accuracy is

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

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

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

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21. *Capillarity of water is

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

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24. *Hydraulic gradient line (except siphon)

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

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26. As per our convenience which one is correct with respect to the dimensionless number?

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27. The depth of flow after the hydraulic jump is

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

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

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30. 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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31. A fluid particle may possess the displacement of

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

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33. Hydrostatic pressure on a dam depends upon its

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34. Cavitations in flowing fluid occurs when

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

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

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37. *The orifice used for low discharge is

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

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39. *The phenomenon occurring in an open channel when a rapidly flowing stream abruptly changes to a slowly flowing stream, causing a distinct rise of the liquid surface, is

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

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

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42. 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)

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43. *The hydraulic ram is a device

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44. "Maximum efficiency of power transmission through a pipe is

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45. If the specific gravity of oil is 0.7, then find the density of oil

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

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

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48. *Losses are more in

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49. *Bernoulli's equation is applied to

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50. Hooke's law for solids is analogous to

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