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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 equation of continuity of fluids is applicable only if

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

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3. *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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4. *A stepped notch is a combination of

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5. Water belongs to

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

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7. *The magnitude of water hammer depends upon

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8. A siphon is an

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

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10. The thickness of a sharp-crested weir is kept less than

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

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12. Cavitations in flowing fluid occurs when

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13. Hydrostatic pressure on a dam depends upon its

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14. Liquids or fluids

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15. *Rotameter is used for measuring

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16. Weber number is the ratio of inertia force to

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17. Hydraulic gradient line and total energy line are

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18. 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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19. The water immediately downstream of the conduit or weir is called

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20. *The hydraulic ram is a device

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

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23. 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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24. The two depths at which the specific energy is the same are called

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25. *The continuity equation deals with the law of conservation of

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26. *The wetted perimeter of a channel is given by

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

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28. *Uniform flow is said to occur when

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29. *The pressure in pipe flow is normally

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30. Which of the following has the highest coefficient of discharge:

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31. *Barometers are used to measure

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32. The inlet length of a venturimeter

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33. Cavitations is collapsed by

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

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

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37. The pressure difference between inside and outside of a droplet of water is given by (Where σ is surface tension and d is the diameter of the droplet.)

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

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40. *The discharge through a trapezoidal channel is maximum when

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

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

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43. Water hammer is a phenomenon that occurs

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44. 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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45. *Chazy's formula is given by

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

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47. One horsepower is equal to

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

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

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50. Head loss due to friction in a pipe is given by the Darcy-Weisbach equation

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