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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. In a venturimeter, the divergent cone is kept

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

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

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4. *Losses are more in

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

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

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7. *The orifice used for low discharge is

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8. The phenomenon of rising of a liquid surface in a tube of small diameter relative to the adjacent normal level of the liquid is known as

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9. A substance which deforms continuously under the action of shear stress is called

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10. Water hammer is a phenomenon that occurs

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

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

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13. The most economical section of a circular channel for the maximum discharge is when

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14. The term P/pg is known as

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15. *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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16. *The magnitude of capillary rise is more in:

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

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

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19. A steady uniform flow is through a

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20. *An ideal flow of a liquid obeys

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21. For a long pipe, the head loss

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22. The depth of flow at which the specific energy is minimum is called

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

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24. Falling drops of water become spheres due to

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25. Which of the following is the example of laminar flow?

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

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27. The minimum head loss will occur in

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28. If the total head of the nozzle of a pipe is 37.5m and the discharge is 1 cubic meter per second, then the power generated is

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29. *Capillary rise is proportional to

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30. The inlet length of a venturimeter

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

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

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

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35. In fluids, steady flow occurs when

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

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37. *The float method is used to measure

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38. Cavitations is collapsed by

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

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

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41. The basic head loss in a long pipe is:

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42. Hydrostatic pressure on a dam depends upon its

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43. *Rotameter is used for measuring

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44. Hooke's law for solids is analogous to

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45. *An independent mass of a fluid does not possess

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

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47. Pick up the correct statement from the following

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48. Specific weight of sea water is more than that of pure water because of

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

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50. The viscosity of liquids varies with temperature

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