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

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2. A vessel having a depth of 30 cm is filled with water up to a depth of 10 cm from the top level. Find the pressure exerted at a depth of 5 cm and 15 cm from the top of the vessel respectively

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3. A fluid particle may possess the displacement of

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4. Hydraulic gradient line for an open flow channel is

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

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6. *Water cushion is used to

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

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8. *The floating method is used for the measurement of

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9. The inlet length of a venturimeter

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10. The term P/pg is known as

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11. Specific weight of liquid

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12. *Molecules of fluids get attracted due to

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13. Falling drops of water become spheres due to

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14. Practical fluids possess

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15. If the pressure is applied to the surface of a liquid, the liquid transmits the pressure equally in all directions is given by

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16. One horsepower is equal to

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17. 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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18. Reynolds number is the ratio of initial force and

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19. A ideal fluid

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20. Water hammer is a phenomenon that occurs

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

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22. The minimum head loss will occur in

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23. *Pressure head is given by

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24. *The discharge through a trapezoidal channel is maximum when

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25. Liquids or fluids

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26. Head loss due to friction in a pipe is given by the Darcy-Weisbach equation

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27. *Hydraulic gradient line (H.G.L.) represents the sum of

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

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

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30. *The orifice used for low discharge is

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

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32. *The atmospheric pressure varies with

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33. *The hydraulic radius is equal to

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

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

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37. The phenomenon of rising of a liquid surface in a tube of small diameter relative to the adjacent normal level of the liquid is known as

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38. A siphon is an

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39. The most efficient channel section is

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

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41. *Stoke is the unit of

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42. *The discharge through a rectangular channel is maximum when

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

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44. *Orifice-meter is used to measure:

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45. 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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46. "Manning's formula is used for

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

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

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49. When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as:

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50. For uniform flow in the channel

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