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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 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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2. *An ideal flow of a liquid obeys

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3. *Water cushion is used to

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4. Specific weight of liquid

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

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

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

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

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9. *To measure atmospheric pressure, we use

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

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11. In fluids, steady flow occurs when

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12. Velocity of flow may be determined using:

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13. 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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14. *The float method is used to measure

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

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

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

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18. The phenomenon of rising of a liquid surface in a tube of small diameter relative to the adjacent normal level of the liquid is known as

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19. *Manometers are used to measure

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20. *A pitot tube is used to measure

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21. A fluid particle may possess the displacement of

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22. Practical fluids possess

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23. Which of the following is the example of laminar flow?

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24. *Pressure head is given by

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25. *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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26. *The discharge through a trapezoidal channel is maximum when

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

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28. 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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29. In an inclined position, a venturimeter records

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

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

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32. *Surface tension is the force

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

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34. The minimum head loss will occur in

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35. "Manning's formula is used for

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36. Euler's number is the ratio of

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

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38. The attraction among different particles of the same material is

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39. Reynolds number is the ratio of initial force and

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

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41. A siphon is an

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42. 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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43. *The wetted perimeter of a channel is given by

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44. *Hydraulic gradient is equal to

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45. The term z is known as

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46. *The atmospheric pressure varies with

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

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

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

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

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