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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
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1. Liquids

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

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3. *Differential manometers are used to measure

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4. *What affects the quantity of mass of a fluid?

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

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

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

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8. Weber number is the ratio of inertia force to

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9. The viscosity of liquids varies with temperature

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10. Water belongs to

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11. One horsepower is equal to

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

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13. *Cipolleti weir is a

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

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15. The viscosity of gases varies with temperature

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16. The upward water pressure at the base of the structure is called

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

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

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19. If the Froude number in open channel flow is equal to 1.0, the flow is called

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20. Reynolds number is the ratio of initial force and

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21. Super-critical flow occurs in

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22. *Hydraulic gradient is equal to

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23. *The rise of the water table, which takes place due to the transformation of the unstable shooting flow (super-critical) to the stable streaming is called

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24. Which of the following is the example of laminar flow?

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

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26. Find the capillary rise/fall in a glass tube when immersed in mercury with the following given data: surface tension, σ = 0.52 gmf/cm, angle of contact, θ = 130°, S.G. of mercury = 13.6, diameter of the pipe = 2.5 mm.

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27. For a long pipe, the head loss

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28. Specific weight of sea water is more than that of pure water because of

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29. *If the volume of liquid weighing 3000 kg is 4 cubic meters, then the specific gravity is

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30. 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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31. *If the velocity, pressure, density, etc., do not change at a point with respect to time, the flow is called

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

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

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

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35. *Losses are more in

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

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

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

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39. 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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40. 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

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

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

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43. Hooke's law for solids is analogous to

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

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

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46. *A pitot tube is used to measure

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

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48. *The pressure in pipe flow is normally

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49. Hydraulic gradient line and total energy line are

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50. *The main assumption of Bernoulli's equation is

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