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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. Mouthpieces are used to measure

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2. *The atmospheric pressure varies with

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

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4. *Chazy's formula is given by

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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 term z is known as

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7. *Viscosity of a liquid

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

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9. One horsepower is equal to

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10. Water belongs to

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

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

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

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

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16. The most efficient channel section is

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

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

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19. 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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20. The basic head loss in a long pipe is:

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

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22. The pressure difference between inside and outside of a droplet of water is given by (Where σ is surface tension and d is the diameter of the droplet.)

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

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24. *The hydraulic ram is a device

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25. Euler's number is the ratio of

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26. With a clinging nappe of a weir, the excess discharge is

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27. Cavitations is collapsed by

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28. Hydraulic gradient line and total energy line are

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29. *Hydraulic gradient line (except siphon)

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30. *Back water curve is caused if there is a

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

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32. *To measure very low pressure, we use:

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

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34. *Differential manometers are used to measure

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35. In a venturimeter, the divergent cone is kept

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

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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. *Pressure head is given by

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39. A siphon is an

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

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41. For a long pipe, the head loss

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

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

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

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45. If H is the height of the liquid above the sill, the effect of end contraction on each side, according to Francis' formula, is

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

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

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

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

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

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