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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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  • 👍 All the best!

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

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2. *Piezometers are used to measure

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3. For any channel section, the specific energy increase with

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4. The Manning's formula for flow in an open channel is given by

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5. 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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6. Pick up the correct statement from the following

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7. *The rate of flow through a venturimeter varies as

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8. *Hydraulic gradient line (H.G.L.) represents the sum of

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9. *An ideal flow of a liquid obeys

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10. Cavitations is collapsed by

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

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

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

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14. *The pressure in pipe flow is normally

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15. *If a pitot tube is placed with its nose facing sideways, the liquid

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

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17. *Head loss increases with

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18. *A stepped notch is a combination of

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19. *Chazy's formula is given by

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20. *Pascal's law states that pressure at a point is equal in all directions

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

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

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

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25. Poise is the unit of

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26. *Orifice-meter is used to measure:

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

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

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

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

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

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

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

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35. *If the velocity of fluid particles varies from point to point in magnitude and direction, as well as from instant to instant, the flow is said to be

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36. *The condition for the maximum velocity and discharge is given by (closed flow)

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37. *The continuity equation deals with the law of conservation of

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38. *Losses are more in

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

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40. *1 m head is equivalent to

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41. Specific weight of liquid

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42. *Cavitations is caused by

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43. Flow in pipes is turbulent if the Reynolds number is

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

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45. The minimum head loss will occur in

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46. *Water cushion is used to

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47. 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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48. Gauge pressure is

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49. The basic head loss in a long pipe is:

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

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