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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. 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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2. For a long pipe, the head loss

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3. To ensure that water does not rise more than 100 cm above the crest, for a discharge of 5.00 m^3/sec, the length of the weir will be (Cd = 0.62)

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4. *Water cushion is used to

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5. *Capillary rise is proportional to

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6. *Orifice-meter is used to measure:

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

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8. *In flow, the liquid particles may possess

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9. *Barometers are used to measure

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10. *Hydraulic gradient is equal to

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

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12. 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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13. *Piezometers are used to measure

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14. Chazy's formula is used to determine

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15. The pressure less than atmospheric pressure is known as

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16. The continuity equation

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17. *Which of the following statements is valid?

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18. A vessel having a depth of 30 cm is filled with water up to a depth of 10 cm from the top level. Find the pressure exerted at a depth of 5 cm and 15 cm from the top of the vessel respectively

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

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

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

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22. Super-critical flow occurs in

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23. The imaginary line drawn such that the tangents at its all points indicate the direction of the velocity of the fluid particle at each point is called

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24. *Viscosity of a liquid

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

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26. *Hydraulic gradient line (except siphon)

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

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28. *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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29. *The rate of flow through a venturimeter varies as

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30. The profile of rising water on the upstream side of the dam is called

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31. The viscosity of liquids varies with temperature

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

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

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

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36. Water hammer is a phenomenon that occurs

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37. A siphon is used

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38. Velocity of flow may be determined using:

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

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40. Reynolds number is the ratio of initial force and

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41. The viscosity of gases varies with temperature

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42. 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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43. Pick up the correct statement from the following

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

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45. In a flowing liquid, a particle may possess

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

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

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

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

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50. The most efficient channel section is

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