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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. A triangular notch is preferred to a rectangular notch because

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

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

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

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5. *The most economical section of a circular channel for the maximum velocity is when

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6. *The flow in which the path of individual particles of liquid cross each other is called

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7. Hydraulic gradient line for an open flow channel is

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

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9. In an open channel flow

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10. *The pressure in pipe flow is normally

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

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

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13. The depth of flow after the hydraulic jump is

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14. *If the velocity in a fluid flow does not change with respect to the length of the direction of flow, it is called

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15. Gauge pressure is

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16. *Surface float is used to measure

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

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

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

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20. *In flow, the liquid particles may possess

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21. *Chazy's formula is given by

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

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23. *Cipolleti weir is a

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24. *Hydraulic gradient is equal to

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25. The viscosity of liquids varies with temperature

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26. *Bernoulli's theorem deals with the law of conservation of

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27. The minimum head loss will occur in

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28. Mach number is the ratio of inertia force to

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29. *The hydraulic ram is a device

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30. *Water cushion is used to

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

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33. 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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34. The attraction among different particles of the same material is

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35. Reynolds number is the ratio of initial force and

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36. *Viscosity of a liquid

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

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38. 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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39. In an open channels the analysis of a sugar is done by using

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40. The continuity equation

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41. Mouthpieces are used to measure

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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. Water belongs to

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44. *The types of instrument used to measure low pressure with accuracy is

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45. The basic head loss in a long pipe is:

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

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47. *Capillary rise is proportional to

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48. *Bernoulli's equation is applied to

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49. Discharge over an ogee weir remains the same as that of

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50. *Capillarity of water is

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