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

2 / 50

2. A ideal fluid

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3. The difference in pressure head measured by a mercury-oil differential manometer for a 20 cm difference of mercury level will be (specific gravity of oil-0.8)

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4. *Hydraulic gradient line (except siphon)

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5. 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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6. If the volume of a liquid weighing 3000 kg is 4 cubic meters, then 0.75 is its

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7. If the specific gravity of oil is 0.7, then find the density of oil

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

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

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10. Water belongs to

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11. Water hammer is a phenomenon that occurs

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12. *Barometers are used to measure

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

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

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15. *A pitot tube is used to measure

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

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17. *Surface tension is the force

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18. The inlet length of a venturimeter

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19. *Water cushion is used to

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20. *Stoke is the unit of

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

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23. If the pressure is applied to the surface of a liquid, the liquid transmits the pressure equally in all directions is given by

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24. If S is the height of the crest above the base of the channel and H is the head of water over the weir, whose length is L and discharge is Q m^3/sec, the velocity of approach Va is

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

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26. *Capillary rise is proportional to

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27. When the pipes are connected in series, the total rate of flow

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

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

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

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31. If the total head of the nozzle of a pipe is 37.5m and the discharge is 1 cubic meter per second, then the power generated is

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32. *The imaginary line joining each head of water is called

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33. A siphon is an

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34. *An ideal flow of a liquid obeys

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35. *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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36. *The floating method is used for the measurement of

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37. *Uniform flow is said to occur when

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38. *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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39. Liquids

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40. *The hydraulic ram is a pump that works on

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41. *Losses are more in

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42. *Surface float is used to measure

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43. Poise is the unit of

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44. A fluid particle may possess the displacement of

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

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

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47. *Pressure within a soap bubble is

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

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

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50. Gauge pressure is

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