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

2 / 50

2. The difference in pressure head measured by a mercury-oil differential manometer for a 20 cm difference of mercury level will be (specific gravity of oil-0.8)

3 / 50

3. The water immediately downstream of the conduit or weir is called

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4. In the case of vortex flow, the level of water at the center is

5 / 50

5. In a flowing liquid, a particle may possess

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

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

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8. *Surface float is used to measure

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9. Chazy's formula is used to determine

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10. The error 1% in measuring H will produce a

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11. *A flow is said to be laminar when

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

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

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14. *Rotameter is used for measuring

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

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

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17. A ideal fluid

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18. *An orifice is called a large orifice if the water head is

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19. A substance which deforms continuously under the action of shear stress is called

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20. *Molecules of fluids get attracted due to

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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. Water hammer is a phenomenon that occurs

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23. In fluids, steady flow occurs when

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

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

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

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27. *The discharge passing through the crest having a length of 1.25m, a height of the flow of water 0.25m, and Cd = 0.035 is

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28. 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

29 / 50

29. *To measure atmospheric pressure, we use

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

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31. *The hydraulic ram is a pump that works on

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32. In a venturimeter, the divergent cone is kept

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33. Liquids

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34. *Cipolleti weir is a

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35. *Piezometers are used to measure

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36. 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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37. If the Froude number in open channel flow is more than 1.0, the flow is called

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38. The minimum head loss will occur in

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39. "Manning's formula is used for

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40. The thickness of a sharp-crested weir is kept less than

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41. *Manometers are used to measure

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42. *If the velocity, pressure, density, etc., change at a point with respect to time, the flow is called

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43. In an open channel flow

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

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45. 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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46. *The difference between the total energy line and the hydraulic gradient line is

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47. *If the velocity, pressure, density, etc., do not change at a point with respect to time, the flow is called

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48. *If a pitot tube is placed with its nose facing sideways, the liquid

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49. *Venturimeter is used to measure

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50. *Hydraulic gradient is equal to

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