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

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2. The two depths at which the specific energy is the same are called

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3. The continuity equation

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4. A steady uniform flow is through a

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

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6. Which of the following quantities are dimensionless?

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

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

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9. *To measure atmospheric pressure, we use

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10. The term z is known as

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

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12. *Surface float is used to measure

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13. *If the volume of liquid weighing 3000 kg is 4 cubic meters, then the specific gravity is

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14. *The rate of flow through a venturimeter varies as

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

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16. *Manometers are used to measure

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17. 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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18. At the vena contracta, the jet has the minimum cross-sectional area, and so the velocity of the liquid at this section will be

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

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20. The Manning's formula for flow in an open channel is given by

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

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22. In an open channel flow

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23. In fluids, steady flow occurs when

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24. In a venturimeter, the divergent cone is kept

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25. *Bernoulli's equation assumes that

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26. One horsepower is equal to

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27. Poise is the unit of

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28. Liquids

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

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30. *Pressure head is given by

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31. As per our convenience which one is correct with respect to the dimensionless number?

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

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

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

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35. *Chazy's formula is given by

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36. *Venturimeter is used to measure

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37. Cavitations in flowing fluid occurs when

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38. *Stoke is the unit of

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

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

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41. The total energy of a liquid in motion is equal to:

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42. In a flowing liquid, a particle may possess

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43. *A stepped notch is a combination of

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

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

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46. *What affects the quantity of mass of a fluid?

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47. In an inclined pipe, the pressure difference at its two ends is due to

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48. *A flow is said to be laminar when

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49. Practical fluids possess

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50. Falling drops of water become spheres due to

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