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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. In the case of a broad-crested weir, the depth of water h at the end of the still is given by

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2. *Molecules of fluids get attracted due to

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3. The section of the Jet leaving an orifice, having the minimum cross-section area, is called

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

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5. A fluid particle may possess the displacement of

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6. *Capillary rise is proportional to

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7. Mouthpieces are used to measure

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8. In an open channels the analysis of a sugar is done by using

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9. Which of the following quantities are dimensionless?

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

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11. Pick up the correct statement from the following

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

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13. An intensifier is used to increase

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14. The pressure less than atmospheric pressure is known as

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

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16. Hydrostatic pressure on a dam depends upon its

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17. Mass density of liquid (p) is given by

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18. 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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19. *The main assumption of Bernoulli's equation is

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20. In a venturimeter, the divergent cone is kept

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

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22. A steady uniform flow is through a

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

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24. *Cavitations is caused by

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25. *Chazy's formula is given by

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26. *The most economical section of a circular channel for the maximum velocity is when

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27. To avoid an interruption in the flow of a siphon, the air vessel is provided

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

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

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

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

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33. *Surface tension is the force

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34. *The magnitude of water hammer depends upon

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

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

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37. Water belongs to

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

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39. Falling drops of water become spheres due to

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

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

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42. Practical fluids possess

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43. 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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44. In fluids, steady flow occurs when

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

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47. The flow in which each liquid particle has a definite path is called

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48. *The atmospheric pressure varies with

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49. Weber number is the ratio of inertia force to

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

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