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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. Pick up the correct statement from the following

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2. The inlet length of a venturimeter

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3. Hydraulic gradient line and total energy line are

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4. Euler's number is the ratio of

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5. The term z is known as

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6. 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

7 / 50

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

8 / 50

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

9 / 50

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

10 / 50

10. *A pitot tube is used to measure

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11. For a circular channel, the wetted perimeter is given by (where θ=half the angle subtended by the water at the center and R= radius of circular channel)

12 / 50

12. *The hydraulic ram is a device

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13. Weber number is the ratio of inertia force to

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14. 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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15. The multiplying factor for converting one poise into MKS unit of dynamic viscosity is

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

17 / 50

17. *Stoke is the unit of

18 / 50

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

19 / 50

19. 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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20. If the Froude number in open channel flow is less than 1.0, the flow is called

21 / 50

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

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22. In fluids, steady flow occurs when

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23. *Pressure head is given by

24 / 50

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

25 / 50

25. *Piezometers are used to measure

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26. *Pressure within a soap bubble is

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

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28. *Hydraulic gradient is equal to

29 / 50

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

30 / 50

30. If the fluid particles move in a zig-zag way, the flow is called

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31. *Barometers are used to measure

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32. The depth of flow after the hydraulic jump is

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

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35. Open channel flow is

36 / 50

36. *Bernoulli's equation assumes that

37 / 50

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

38 / 50

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

39 / 50

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

40 / 50

40. The pressure less than atmospheric pressure is known as

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

42 / 50

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

43 / 50

43. *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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44. The total energy of a liquid in motion is equal to:

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45. Practical fluids possess

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46. *Cavitations is caused by

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47. The most efficient channel section is

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48. 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

49 / 50

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

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

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