Hydraulics Online Test - Paper 3 » Expert Quiz Test
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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. *The width of a weir with end contraction is

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2. *1 m head is equivalent to

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3. *Capillarity of water is

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4. *If the volume of a liquid weighing 2400 kg is 3 cubic meters, then 0.8 is its:

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5. When the fluid is at rest, the shear stress is

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6. If H is the height of the liquid above the sill, the effect of end contraction on each side, according to Francis' formula, is

7 / 50

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

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8. *Which of the following statements is valid?

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

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10. *Viscosity of a liquid

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

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12. 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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13. 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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14. Liquids or fluids

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15. The inlet length of a venturimeter

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

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17. Specific energy of a flowing fluid per unit weight is equal to

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

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

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20. *Cipolleti weir is a

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

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

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

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24. 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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25. Total pressure on the top of a closed cylindrical vessel completely filled with liquid is directly proportional to

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26. Specific weight of liquid

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27. *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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28. *A flow is said to be laminar when

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29. *The atmospheric pressure varies with

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30. *Differential manometers are used to measure

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31. *If the velocity, pressure, density, etc., change at a point with respect to time, the flow is called

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

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34. The term z is known as

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35. In an inclined position, a venturimeter records

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36. Critical depth (he) is given by (where q= rate of flow per unit width of channel)

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37. In an open tube, the free surface of mercury remains

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38. *Water cushion is used to

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

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

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41. *An ideal flow of a liquid obeys

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42. *Venturimeter is used to measure

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43. For the flow of liquid from an open-ended tube (nozzle) leading to the formation of a spray of liquid drops, the number generally is

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44. *The hydraulic radius is equal to

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45. The maximum velocity in an open channel occurs

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

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

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

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

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50. *Surface float is used to measure

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