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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. *Differential manometers are used to measure

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

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

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4. *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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5. *The rate of flow through a venturimeter varies as

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

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7. In the case of leveling by a level pipe, the level is indicated by

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8. A vessel having a depth of 30 cm is filled with water up to a depth of 10 cm from the top level. Find the pressure exerted at a depth of 5 cm and 15 cm from the top of the vessel respectively

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9. Practical fluids possess

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10. The depth of flow after the hydraulic jump is

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11. Open channel flow is

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12. Mouthpieces are used to measure

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

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

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

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16. *Viscosity of a liquid

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17. If the fluid particles move in straight lines and all the lines are parallel to the surface, the flow is called

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

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

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

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21. *Uniform flow is said to occur when

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

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

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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. Water belongs to

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26. "Manning's formula is used for

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

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28. *In flow, the liquid particles may possess

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29. *The discharge through a trapezoidal channel is maximum when

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30. *The magnitude of water hammer depends upon

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31. *The flow in which the path of individual particles of liquid cross each other is called

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

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33. *Molecules of fluids get attracted due to

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34. *The floating method is used for the measurement of

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35. A siphon is an

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36. In an inclined position, a venturimeter records

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37. A fluid particle may possess the displacement of

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38. The continuity equation

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39. *The rate of flow through a V-notch varies as:

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40. The minimum head loss will occur in

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41. *A pitot tube is used to measure

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42. *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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43. 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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44. Falling drops of water become spheres due to

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

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46. *Bernoulli's equation assumes that

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47. *Which of the following statements is valid?

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48. 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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49. The term z is known as

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

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