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

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2. Liquids

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3. A fluid particle may possess the displacement of

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4. *The actual velocity through an orifice is........... than the theoretical velocity.

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5. If the total head of the nozzle of a pipe is 37.5m and the discharge is 1 cubic meter per second, then the power generated is

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

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

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

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9. In an inclined position, a venturimeter records

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10. *The orifice used for low discharge is

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

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12. *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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13. *Back water curve is caused if there is a

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14. *1 m head is equivalent to

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15. The viscosity of gases varies with temperature

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

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

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18. *If the volume of a liquid weighing 2400 kg is 3 cubic meters, then 0.8 is its:

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19. *Water cushion is used to

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20. *Orifice-meter is used to measure:

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21. 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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22. The continuity equation

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

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

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26. Chazy's formula is used to determine

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27. If the Froude number in open channel flow is less than 1.0, the flow is called

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

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29. Liquids or fluids

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30. Velocity of flow may be determined using:

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

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

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

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34. Total head of a particle in motion is the sum of

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35. 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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36. *Hydraulic gradient line (except siphon)

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37. *The main assumption of Bernoulli's equation is

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38. *A stepped notch is a combination of

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

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

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41. A steady uniform flow is through a

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42. *A pitot tube is used to measure

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

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

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46. *The hydraulic radius is equal to

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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. The pressure less than atmospheric pressure is known as

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49. *Barometers are used to measure

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

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