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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 attraction among different particles of the same material is

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2. Reynolds number is the ratio of initial force and

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3. The flow in which each liquid particle has a definite path is called

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4. *An independent mass of a fluid does not possess

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

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6. For uniform flow in the channel

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7. The term z is known as

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

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9. The continuity equation

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10. If the velocity in a fluid flow changes with respect to the length of the direction of the flow, it is called

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11. *An ideal flow of a liquid obeys

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12. A fluid particle may possess the displacement of

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13. The minimum head loss will occur in

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

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

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16. The most efficient channel section is

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

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18. For the same specific force, the two depths at which the same discharge occurs are called

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

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21. *Differential manometers are used to measure

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22. Poise is the unit of

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23. *Uniform flow is said to occur when

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24. *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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25. If the Froude number in open channel flow is equal to 1.0, the flow is called

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26. *The hydraulic ram is a device

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27. Hooke's law for solids is analogous to

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

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

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

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31. A ideal fluid

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32. 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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33. In fluids, steady flow occurs when

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34. *A pitot tube is used to measure

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35. The ratio of the mean velocity to the surface velocity in open channels is equal to

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

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

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38. Hydraulic gradient line and total energy line are

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39. *To measure very low pressure, we use:

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40. *If a pitot tube is placed with its nose facing downstream, the liquid

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

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42. One horsepower is equal to

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

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45. The viscosity of liquids varies with temperature

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46. 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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47. A siphon is used

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

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49. Cavitations is collapsed by

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50. 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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