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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 total energy of a liquid in motion is equal to:

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2. *Uniform flow is said to occur when

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3. *The types of instrument used to measure low pressure with accuracy is

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4. The capillary rise or fall of the liquid is given by

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5. Practical fluids possess

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

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7. One horsepower is equal to

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

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9. *Barometers are used to measure

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10. Liquids or fluids

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

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

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

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14. The attraction among different particles of the same material is

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

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16. An intensifier is used to increase

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17. The profile of rising water on the upstream side of the dam is called

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

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

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21. *Head loss increases with

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

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23. *The energy possessed by a fluid by virtue of its existing pressure is called

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24. In an open channel flow

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

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

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

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28. If S is the height of the crest above the base of the channel and H is the head of water over the weir, whose length is L and discharge is Q m^3/sec, the velocity of approach Va is

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29. Hooke's law for solids is analogous to

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30. *The magnitude of water hammer depends upon

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31. *The flow in which the path of individual particles of liquid cross each other is called

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32. 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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33. Which of the following quantities are dimensionless?

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

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35. If the velocity in a fluid flow changes with respect to the length of the direction of the flow, it is called

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36. Mouthpieces are used to measure

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37. *Bernoulli's theorem deals with the law of conservation of

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38. The inlet length of a venturimeter

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39. *The discharge through a trapezoidal channel is maximum when

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40. Total head of a particle in motion is the sum of

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

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42. *The hydraulic radius is equal to

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43. *Losses are more in

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44. 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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45. 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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46. *The hydraulic ram is a device

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47. At the vena contracta, the jet has the minimum cross-sectional area, and so the velocity of the liquid at this section will be

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

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49. *The atmospheric pressure varies with

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50. *Molecules of fluids get attracted due to

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