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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. *Hydraulic gradient line (except siphon)

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2. *Surface float is used to measure

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3. Hydraulic gradient line and total energy line are

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4. *If the volume of a liquid weighing 2400 kg is 3 cubic meters, then 0.8 is its:

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5. *If the velocity in a fluid flow does not change with respect to the length of the direction of flow, it is called

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6. When the pipes are connected in series, the total rate of flow

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7. For any channel section, the specific energy increase with

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

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9. *A flow is said to be laminar when

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

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

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12. Rotation is defined as the movement of a fluid element in such a way that both of its axes rotate in...

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13. For a long pipe, the head loss

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14. *Water cushion is used to

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

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16. *Losses are more in

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17. In an open channel flow

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18. *Barometers are used to measure

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19. *Chazy's formula is given by

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20. *What affects the quantity of mass of a fluid?

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

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22. *Venturimeter is used to measure

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23. The ratio of the inertia and gravitational force acting in any flow, ignoring other forces, is called

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

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

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

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

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28. The ratio of the percentage error in the discharge and the percentage error in the measurement of head over a triangular notch is

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29. *If the velocity, pressure, density, etc., do not change at a point with respect to time, the flow is called

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30. *The rise of the water table, which takes place due to the transformation of the unstable shooting flow (super-critical) to the stable streaming is called

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31. In an open channel flow

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32. *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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33. *The equation of continuity of fluids is applicable only if

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34. In fluids, steady flow occurs when

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

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

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37. Water hammer is a phenomenon that occurs

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

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

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

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

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42. One horsepower is equal to

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43. 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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44. "Manning's formula is used for

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45. *The magnitude of water hammer depends upon

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46. 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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47. In a flowing liquid, a particle may possess

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48. A steady uniform flow is through a

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

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

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