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

2 / 50

2. The capillary rise or fall of the liquid is given by

3 / 50

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

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4. Poise is the unit of

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5. *Uniform flow is said to occur when

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

7 / 50

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

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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

9 / 50

9. *Which of the following statements is valid?

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10. *If fluid or flow parameters at any given instant remain the same at every point in space, it is called:

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11. *The equation of continuity of fluids is applicable only if

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

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

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

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

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16. The maximum velocity in an open channel occurs

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17. *Bernoulli's equation assumes that

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18. *The upper surface of the notch over which water flows is known as

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19. *The hydraulic ram is a pump that works on

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

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21. *Head loss increases with

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

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

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24. The minimum head loss will occur in

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25. The term z is known as

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

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

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

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30. In fluids, steady flow occurs when

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31. Mouthpieces are used to measure

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32. *Venturimeter is used to measure

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33. Total pressure on the top of a closed cylindrical vessel completely filled with liquid is directly proportional to

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34. *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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35. An intensifier is used to increase

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36. A siphon is an

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37. A rise or fall of liquid in a glass tube of a very small diameter when dipped is

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38. A vessel having a depth of 30 cm is filled with water up to a depth of 10 cm from the top level. Find the pressure exerted at a depth of 5 cm and 15 cm from the top of the vessel respectively

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39. A triangular notch is preferred to a rectangular notch because

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40. *Cipolleti weir is a

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41. Weber number is the ratio of inertia force to

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42. In an open channel flow

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

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44. A steady uniform flow is through a

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45. *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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46. *Variation in volume of liquid with variation in pressure is called

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47. The section of the Jet leaving an orifice, having the minimum cross-section area, is called

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48. *Water cushion is used to

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

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50. *Barometers are used to measure

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