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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. *Total energy line (T.E.L) represents the sum of

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2. "Maximum efficiency of power transmission through a pipe is

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

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4. Hydraulic gradient line for an open flow channel is

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5. *Rotameter is used for measuring

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

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

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8. *Molecules of fluids get attracted due to

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

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

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11. In a flowing liquid, a particle may possess

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

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

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14. A steady uniform flow is through a

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15. *A pitot tube is used to measure

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16. *Cipolleti weir is a

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17. *Losses are more in

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18. Reynolds number is the ratio of initial force and

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19. For uniform flow in the channel

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20. Falling drops of water become spheres due to

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21. *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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22. *Pressure head is given by

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23. *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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24. Liquids or fluids

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25. The minimum head loss will occur in

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

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27. 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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28. Mouthpieces are used to measure

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

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30. 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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31. The continuity equation

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32. *Barometers are used to measure

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33. Critical depth (he) is given by (where q= rate of flow per unit width of channel)

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34. In an inclined position, a venturimeter records

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35. An intensifier is used to increase

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36. Pick up the correct statement from the following

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37. *Stoke is the unit of

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38. If the specific gravity of oil is 0.7, then find the density of oil

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39. "Manning's formula is used for

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

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41. 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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42. To ensure that water does not rise more than 100 cm above the crest, for a discharge of 5.00 m^3/sec, the length of the weir will be (Cd = 0.62)

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

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44. The maximum velocity in an open channel occurs

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45. *Capillarity of water is

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46. *1 m head is equivalent to

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

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48. A fluid particle may possess the displacement of

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

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