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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. Poise is the unit of

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

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3. Chazy's formula is used to determine

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

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5. *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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6. *The phenomenon occurring in an open channel when a rapidly flowing stream abruptly changes to a slowly flowing stream, causing a distinct rise of the liquid surface, is

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7. The minimum head loss will occur in

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8. *Total energy line (T.E.L) represents the sum of

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9. When the pipes are connected in parallel, the total loss of head

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10. *The discharge through a rectangular channel is maximum when

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

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12. *The pressure in pipe flow is normally

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13. The continuity equation

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

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

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17. The discharge through a V-notch weir is directly proportional to:

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

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

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

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21. *The orifice used for low discharge is

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

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

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24. Liquids

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

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26. Hydrostatic pressure on a dam depends upon its

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27. Which of the following has the highest coefficient of discharge:

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

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

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31. Flow in pipes is turbulent if the Reynolds number is

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32. The head of water representing in the case of HGL line is known as

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

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

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

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

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37. 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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38. The depth of flow after the hydraulic jump is

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39. For a long pipe, the head loss

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40. If H is the height of the liquid above the sill, the effect of end contraction on each side, according to Francis' formula, is

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

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42. Rotation is defined as the movement of a fluid element in such a way that both of its axes rotate in...

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43. The term z is known as

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44. *Pressure head is given by

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45. *To measure atmospheric pressure, we use

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46. Mass density of liquid (p) is given by

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47. Hydraulic gradient line for an open flow channel is

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48. With a clinging nappe of a weir, the excess discharge is

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49. *Losses are more in

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50. Cavitations is collapsed by

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