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%
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1. 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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2. *Rotameter is used for measuring

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3. *The magnitude of water hammer depends upon

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4. *Molecules of fluids get attracted due to

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

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6. Hydraulic gradient line and total energy line are

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

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8. *Bernoulli's equation assumes that

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9. *The imaginary line joining each head of water is called

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

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11. *A stepped notch is a combination of

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12. *To measure atmospheric pressure, we use

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13. Hydraulic gradient line for an open flow channel is

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14. *Cavitations is caused by

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15. 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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16. A triangular notch is preferred to a rectangular notch because

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17. *Pascal's law states that pressure at a point is equal in all directions

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

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19. The depth of flow after the hydraulic jump is

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

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21. The term z is known as

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22. The ratio of the percentage error in the discharge and the percentage error in the measurement of head over a triangular notch is

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23. *Venturimeter is used to measure

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24. When the pipes are connected in parallel, the total loss of head

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25. Chazy's formula is used to determine

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

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27. In an open channel flow

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28. A rise or fall of liquid in a glass tube of a very small diameter when dipped is

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29. In an open channel flow

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30. An oil of specific gravity 0.7 and pressure 0.14 kgf/cm^2 will have the height of oil as

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

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32. 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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33. If the density of a fluid changes from point to point in a flow region, it is called

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

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

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

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

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38. For a long pipe, the head loss

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39. *The magnitude of capillary rise is more in:

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40. *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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41. A steady uniform flow is through a

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42. *Surface float is used to measure

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

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

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45. *The hydraulic ram is a device

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

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47. Water hammer is a phenomenon that occurs

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48. Cavitations in flowing fluid occurs when

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49. *A flow is said to be laminar when

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

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