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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 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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2. For a circular channel, the wetted perimeter is given by (where θ=half the angle subtended by the water at the center and R= radius of circular channel)

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3. *The hydraulic ram is a device

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4. In an open channel flow

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5. In the case of vortex flow, the level of water at the center is

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

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

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8. *Head loss increases with

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9. For uniform flow in the channel

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10. The continuity equation

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

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12. *Manometers are used to measure

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13. 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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14. *The rise of the water table, which takes place due to the transformation of the unstable shooting flow (super-critical) to the stable streaming is called

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15. *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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16. 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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17. Which of the following has the highest coefficient of discharge:

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18. *Cavitations is caused by

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

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20. The viscosity of gases varies with temperature

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

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22. A siphon is an

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

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24. The maximum velocity in an open channel occurs

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

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26. *Which of the following statements is valid?

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27. A ideal fluid

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28. An intensifier is used to increase

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29. Reynolds number is the ratio of initial force and

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30. Super-critical flow occurs in

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

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32. Practical fluids possess

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33. *Differential manometers are used to measure

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34. *An independent mass of a fluid does not possess

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

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

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37. *Water cushion is used to

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38. *Orifice-meter is used to measure:

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

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40. In a venturimeter, the divergent cone is kept

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

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

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43. *To measure very low pressure, we use:

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

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

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47. Total pressure on the top of a closed cylindrical vessel completely filled with liquid is directly proportional to

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

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49. A fluid particle may possess the displacement of

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50. *Bernoulli's equation assumes that

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