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

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

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3. *To measure very low pressure, we use:

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

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

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

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

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

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

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11. *Hydraulic gradient is equal to

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12. *Pressure head is given by

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13. Liquids or fluids

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

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15. Cavitations in flowing fluid occurs when

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

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17. When the pipes are connected in series, the total rate of flow

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

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20. If the density of a fluid is constant from point to point in a flow region, it is called

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21. The flow in which each liquid particle has a definite path is called

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22. The pressure less than atmospheric pressure is known as

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23. *Barometers are used to measure

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

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25. A siphon is used

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26. A siphon is an

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27. *Piezometers are used to measure

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28. For uniform flow in the channel

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29. *An ideal flow of a liquid obeys

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30. Hydraulic gradient line for an open flow channel is

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

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

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33. The viscosity of gases varies with temperature

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34. Chazy's formula is used to determine

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35. Velocity of flow may be determined using:

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36. In fluids, steady flow occurs when

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37. Open channel flow is

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

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40. The most efficient channel section is

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

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42. Falling drops of water become spheres due to

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43. The viscosity of liquids varies with temperature

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44. *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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45. Water hammer is a phenomenon that occurs

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46. *Surface float is used to measure

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47. The term P/pg is known as

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

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49. The minimum head loss will occur in

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

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