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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. *The discharge through a trapezoidal channel is maximum when

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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. The attraction among different particles of the same material is

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

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

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6. Pick up the correct statement from the following

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7. *The hydraulic radius is equal to

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

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9. If the forces are due to inertia and gravity, and frictional resistance plays only a minor role, the design of channels is made by comparing

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10. ........ is defined as the maximum increase in water level in the path of the flow of water

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11. *A stepped notch is a combination of

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12. Water hammer is a phenomenon that occurs

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13. *Head loss increases with

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14. *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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15. In an inclined position, a venturimeter records

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16. Practical fluids possess

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17. The depth of flow after the hydraulic jump is

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18. Poise is the unit of

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19. For the flow of liquid from an open-ended tube (nozzle) leading to the formation of a spray of liquid drops, the number generally is

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20. For a circular channel, the wetted perimeter is given by (where θ=half the angle subtended by the water at the center and R= radius of circular channel)

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21. *The pressure in pipe flow is normally

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

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23. *Molecules of fluids get attracted due to

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

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25. Liquids or fluids

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26. Euler's number is the ratio of

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

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28. *Capillarity of water is

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29. 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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30. *The rate of flow through a V-notch varies as:

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31. For uniform flow in the channel

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

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33. *The discharge passing through the crest having a length of 1.25m, a height of the flow of water 0.25m, and Cd = 0.035 is

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34. Cavitations is collapsed by

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35. If the pressure is applied to the surface of a liquid, the liquid transmits the pressure equally in all directions is given by

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

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37. The continuity equation

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38. Which of the following quantities are dimensionless?

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39. A steady uniform flow is through a

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

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41. *1 m head is equivalent to

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42. Discharge over an ogee weir remains the same as that of

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43. *A pitot tube is used to measure

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44. The most efficient channel section is

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45. *Orifice-meter is used to measure:

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46. *Hydraulic gradient line (except siphon)

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47. Mouthpieces are used to measure

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48. *Barometers are used to measure

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49. *Hydraulic gradient is equal to

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50. An intensifier is used to increase

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