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. *Bernoulli's equation is applied to

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2. *The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at its centroid if

3 / 50

3. 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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4. 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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5. *The difference between the total energy gradient line and the total energy line is

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6. "Maximum efficiency of power transmission through a pipe is

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

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8. *Surface tension is the force

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9. In an inclined pipe, the pressure difference at its two ends is due to

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

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

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

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13. Specific weight of sea water is more than that of pure water because of

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14. Velocity of flow may be determined using:

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15. In a flowing liquid, a particle may possess

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16. Poise is the unit of

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17. If the fluid particles move in straight lines and all the lines are parallel to the surface, the flow is called

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18. In an open channel flow

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19. The most economical section of a circular channel for the maximum discharge is when

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20. In the case of leveling by a level pipe, the level is indicated by

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21. The viscosity of liquids varies with temperature

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

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23. Flow in pipes is turbulent if the Reynolds number is

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

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26. Water hammer is a phenomenon that occurs

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

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

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29. *Losses are more in

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30. *The wetted perimeter of a channel is given by

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

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32. *The pressure in pipe flow is normally

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

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34. *The orifice used for low discharge is

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35. *If fluid or flow parameters at any given instant remain the same at every point in space, it is called:

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

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37. The term P/pg is known as

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

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

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40. In fluids, steady flow occurs when

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41. *Back water curve is caused if there is a

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

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43. The depth of flow after the hydraulic jump is

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

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45. *Total energy line (T.E.L) represents the sum of

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46. A steady uniform flow is through a

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47. *Capillary rise is proportional to

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48. *The float method is used to measure

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49. The maximum velocity in an open channel occurs

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50. Hydraulic gradient line for an open flow channel is

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