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

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

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3. If the forces are due to inertia and gravity, and frictional resistance plays only a minor role, the design of channels is made by comparing

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

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5. The viscosity of liquids varies with temperature

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

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

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8. In fluids, steady flow occurs when

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

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

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11. *The hydraulic radius is equal to

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12. *Piezometers are used to measure

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13. *To measure atmospheric pressure, we use

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14. The upward water pressure at the base of the structure is called

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15. In an open channel flow

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16. *The actual velocity through an orifice is........... than the theoretical velocity.

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17. The most efficient channel section is

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

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19. *Differential manometers are used to measure

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20. The basic head loss in a long pipe is:

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

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

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23. *Cipolleti weir is a

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24. *In flow, the liquid particles may possess

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

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26. Liquids

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27. Cavitations in flowing fluid occurs when

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28. *Bernoulli's equation is applied to

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29. The multiplying factor for converting one poise into MKS unit of dynamic viscosity is

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

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31. *Capillarity of water is

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

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33. 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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34. *The rate of flow through a venturimeter varies as

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

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

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37. If H is the height of the liquid above the sill, the effect of end contraction on each side, according to Francis' formula, is

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38. Falling drops of water become spheres due to

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39. The term z is known as

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40. The inlet length of a venturimeter

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41. 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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42. Hooke's law for solids is analogous to

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

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44. 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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45. *The wetted perimeter of a channel is given by

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

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47. *A pitot tube is used to measure

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48. The term P/pg is known as

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

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50. If the Froude number in open channel flow is more than 1.0, the flow is called

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