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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 siphon is an

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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. Hooke's law for solids is analogous to

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

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

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6. When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as:

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7. The minimum head loss will occur in

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8. *Differential manometers are used to measure

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9. *The orifice used for low discharge is

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10. *Water cushion is used to

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

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12. The most economical section of a circular channel for the maximum discharge is when

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13. *The energy possessed by a fluid by virtue of its existing pressure is called

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14. *The width of a weir with end contraction is

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15. *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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16. 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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17. *What affects the quantity of mass of a fluid?

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18. *The upper surface of the notch over which water flows is known as

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

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20. Pick up the correct statement from the following

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21. In a flowing liquid, a particle may possess

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22. For any channel section, the specific energy increase with

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23. The viscosity of gases varies with temperature

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24. *The main assumption of Bernoulli's equation is

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

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27. *Capillary rise is proportional to

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28. *Cipolletti weir is a trapezoidal weir having a side slope of

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29. Practical fluids possess

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30. *The equation of continuity of fluids is applicable only if

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31. For a long pipe, the head loss

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32. In the case of leveling by a level pipe, the level is indicated by

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33. Which of the following quantities are dimensionless?

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34. *Surface float is used to measure

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35. The viscosity of liquids varies with temperature

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36. *Hydraulic gradient line (H.G.L.) represents the sum of

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37. *To measure atmospheric pressure, we use

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38. *Barometers are used to measure

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39. Mach number is the ratio of inertia force to

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

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41. Critical depth (he) is given by (where q= rate of flow per unit width of channel)

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42. "Manning's formula is used for

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43. Crest of a weir is lower than d/s water level

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

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46. *Which of the following statements is valid?

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47. The ratio of the percentage error in the discharge and the percentage error in the measurement of head over a rectangular notch is

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48. An oil of specific gravity 0.7 and pressure 0.14 kgf/cm^2 will have the height of oil as

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49. *Pascal's law states that pressure at a point is equal in all directions

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50. Euler's number is the ratio of

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