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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 imaginary line joining each head of water is called

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2. *Losses are more in

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3. *Viscosity of a liquid

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

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5. If the volume of a liquid weighing 3000 kg is 4 cubic meters, then 0.75 is its

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6. From a nozzle exposed to the atmosphere, the liquid jet traverses

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

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8. The ratio of the inertia and gravitational force acting in any flow, ignoring other forces, is called

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9. Chazy's formula is used to determine

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10. The maximum velocity in an open channel occurs

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11. *Surface tension is the force

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

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13. Euler's number is the ratio of

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14. One horsepower is equal to

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

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16. In a venturimeter, the divergent cone is kept

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17. Weber number is the ratio of inertia force to

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

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19. *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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20. If the fluid particles move in straight lines and all the lines are parallel to the surface, the flow is called

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

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22. Water hammer is a phenomenon that occurs

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23. *An orifice is called a large orifice if the water head is

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24. Falling drops of water become spheres due to

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25. Open channel flow is

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26. Liquids or fluids

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27. *A pitot tube is used to measure

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

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

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30. *An ideal flow of a liquid obeys

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31. *Water cushion is used to

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32. Liquids

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33. For the laminar flow through a circular pipe, the maximum velocity is

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34. *The magnitude of water hammer depends upon

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35. The ratio of the mean velocity to the surface velocity in open channels is equal to

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36. *If a pitot tube is placed with its nose facing downstream, the liquid

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

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

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39. *The atmospheric pressure varies with

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40. The total energy of a liquid in motion is equal to:

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41. 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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42. 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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43. Specific energy of a flowing fluid per unit weight is equal to

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44. *The pressure in pipe flow is normally

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

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46. Crest of a weir is lower than d/s water level

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47. *An independent mass of a fluid does not possess

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48. *Uniform flow is said to occur when

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49. As per our convenience which one is correct with respect to the dimensionless number?

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50. Gauge pressure is

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