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
  • Certificate: Yes
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1. "Maximum efficiency of power transmission through a pipe is

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2. *Manometers are used to measure

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

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4. Euler's number is the ratio of

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

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6. *Water cushion is used to

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7. 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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8. *Head loss increases with

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9. *Molecules of fluids get attracted due to

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10. Specific weight of liquid

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11. The discharge through a V-notch weir is directly proportional to:

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12. *Hydraulic gradient is equal to

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

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14. *The atmospheric pressure varies with

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

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16. *Pressure head is given by

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

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

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19. *Piezometers are used to measure

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20. A ideal fluid

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

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22. *The width of a weir with end contraction is

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

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24. *Pressure within a soap bubble is

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25. Weber number is the ratio of inertia force to

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

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

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

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30. In fluids, steady flow occurs when

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31. 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)

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32. *Stoke is the unit of

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

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34. *Hydraulic gradient line (except siphon)

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35. The depth of flow after the hydraulic jump is

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

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

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

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39. *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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40. The viscosity of liquids varies with temperature

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41. Falling drops of water become spheres due to

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42. *Variation in volume of liquid with variation in pressure is called

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43. In an open channel flow

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44. *The phenomenon occurring in an open channel when a rapidly flowing stream abruptly changes to a slowly flowing stream, causing a distinct rise of the liquid surface, is

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

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46. The depth of flow at which the specific energy is minimum is called

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47. *The hydraulic radius is equal to

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

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49. The hydrostatic force exerted by 2 m deep water on the gate downstream is equal to

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

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