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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 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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2. *Rotameter is used for measuring

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3. A siphon is used

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

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5. *The actual velocity through an orifice is........... than the theoretical velocity.

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6. *Pressure within a soap bubble is

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7. For uniform flow in the channel

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8. *Water cushion is used to

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9. In an inclined position, a venturimeter records

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10. *The hydraulic radius is equal to

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11. *The float method is used to measure

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12. The term P/pg is known as

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

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14. *The width of a weir with end contraction is

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

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16. *Molecules of fluids get attracted due to

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17. In the case of vortex flow, the level of water at the center is

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

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

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21. *The atmospheric pressure varies with

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22. *The orifice used for low discharge is

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23. A siphon is an

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

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

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

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27. *The floating method is used for the measurement of

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

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

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

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31. *Differential manometers are used to measure

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

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

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34. *To measure atmospheric pressure, we use

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

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36. Falling drops of water become spheres due to

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37. For the same specific force, the two depths at which the same discharge occurs are called

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

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

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40. Mouthpieces are used to measure

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

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

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

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

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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. The continuity equation

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47. 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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48. *Cipolleti weir is a

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49. A fluid particle may possess the displacement of

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

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