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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 depth of flow after the hydraulic jump is

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

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3. In an inclined position, a venturimeter records

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

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5. The two depths at which the specific energy is the same are called

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6. In an open channel flow

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7. An intensifier is used to increase

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8. *The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at its centroid if

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9. *A flow is said to be laminar when

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10. *1 m head is equivalent to

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

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12. Open channel flow is

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13. *The magnitude of water hammer depends upon

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14. To avoid an interruption in the flow of a siphon, the air vessel is provided

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

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

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17. *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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18. A siphon is used

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19. Which of the following quantities are dimensionless?

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

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

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22. *Piezometers are used to measure

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23. Cavitations in flowing fluid occurs when

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

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

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

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

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28. *The condition for the maximum velocity and discharge is given by (closed flow)

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

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30. *Bernoulli's equation is applied to

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31. *Capillarity of water is

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

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33. In a venturimeter, the divergent cone is kept

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34. *Orifice-meter is used to measure:

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35. Mouthpieces are used to measure

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36. For the laminar flow through a circular pipe, the maximum velocity is

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

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39. The term P/pg is known as

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40. *Rotameter is used for measuring

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41. For a long pipe, the head loss

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42. *Capillary rise is proportional to

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

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44. Water hammer is a phenomenon that occurs

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

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

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

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

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49. Falling drops of water become spheres due to

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50. *Variation in volume of liquid with variation in pressure is called

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