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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

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

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3. *Surface float is used to measure

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

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5. The imaginary line drawn such that the tangents at its all points indicate the direction of the velocity of the fluid particle at each point is called

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

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7. Cavitations in flowing fluid occurs when

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

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9. In an inclined pipe, the pressure difference at its two ends is due to

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

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11. The maximum velocity in an open channel occurs

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12. Specific weight of liquid

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

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14. Gauge pressure is

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15. *Molecules of fluids get attracted due to

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16. *To measure atmospheric pressure, we use

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17. Weber number is the ratio of inertia force to

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18. Hydraulic gradient line and total energy line are

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

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

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

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22. If the volume of a liquid weighing 3000 kg is 4 cubic meters, then 0.75 is its

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

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24. *Venturimeter is used to measure

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25. Hydrostatic pressure on a dam depends upon its

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26. The numerical value of vorticity is.....of the rotation

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

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28. *Rotameter is used for measuring

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29. Liquids

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

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

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32. *Bernoulli's equation assumes that

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33. For the laminar flow through a circular pipe, the maximum velocity is

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

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35. *Cipolletti weir is a trapezoidal weir having a side slope of

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

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37. *The hydraulic ram is a device

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38. A fluid particle may possess the displacement of

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39. The line joining the points to which the liquid rises in vertical piezometer tubes fitted at different cross-sections of a conduit is known as

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40. Practical fluids possess

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

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42. *A pitot tube is used to measure

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43. Flow in pipes is turbulent if the Reynolds number is

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

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

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46. *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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47. A siphon is an

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48. *1 m head is equivalent to

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49. *Pressure head is given by

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50. *Capillarity of water is

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