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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. Euler's number is the ratio of

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

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3. Water hammer is a phenomenon that occurs

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4. In the case of a broad-crested weir, the depth of water h at the end of the still is given by

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5. In an inclined position, a venturimeter records

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6. *Losses are more in

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

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

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

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

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

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13. *Venturimeter is used to measure

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14. *The hydraulic ram is a device

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

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16. *Cipolleti weir is a

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17. 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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18. 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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19. The inlet length of a venturimeter

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

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

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22. For the same specific force, the two depths at which the same discharge occurs are called

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23. *Hydraulic gradient line (except siphon)

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24. *The hydraulic radius is equal to

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

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26. Super-critical flow occurs in

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

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

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29. *Barometers are used to measure

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30. *Hydraulic gradient is equal to

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31. A fluid particle may possess the displacement of

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

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33. *Capillarity of water is

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

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

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36. *Bernoulli's theorem deals with the law of conservation of

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37. Velocity of flow may be determined using:

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38. *The continuity equation deals with the law of conservation of

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39. The pressure difference between inside and outside of a droplet of water is given by (Where σ is surface tension and d is the diameter of the droplet.)

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

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41. 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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42. *If fluid or flow parameters at any given instant remain the same at every point in space, it is called:

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43. 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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44. Open channel flow is

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45. In an open channel flow

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

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47. The depth of flow at which the specific energy is minimum is called

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

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

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50. 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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