Hydraulics Online Test - Paper 3 » Expert Quiz Test
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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. *To measure very low pressure, we use:

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2. If the fluid particles move in a zig-zag way, the flow is called

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3. *If the velocity, pressure, density, etc., do not change at a point with respect to time, the flow is called

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

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

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6. Gauge pressure is

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7. When the fluid is at rest, the shear stress is

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8. Hooke's law for solids is analogous to

9 / 50

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

10 / 50

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

11 / 50

11. Euler's number is the ratio of

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

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

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14. *An orifice is called a large orifice if the water head is

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15. The capillary rise or fall of the liquid is given by

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16. *Surface float is used to measure

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

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

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19. Water hammer is a phenomenon that occurs

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20. A siphon is an

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

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22. The ratio of the mean velocity to the surface velocity in open channels is equal to

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23. *The pressure in pipe flow is normally

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

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25. The continuity equation

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26. A fluid particle may possess the displacement of

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27. If the volume of a liquid weighing 3000 kg is 4 cubic meters, then 0.75 is its

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28. 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)

29 / 50

29. One horsepower is equal to

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30. 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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31. 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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32. *Which of the following statements is valid?

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

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34. *The hydraulic radius is equal to

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35. *A stepped notch is a combination of

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36. The minimum head loss will occur in

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37. The most efficient channel section is

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

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39. *Total energy line (T.E.L) represents the sum of

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40. *The condition for the maximum velocity and discharge is given by (closed flow)

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41. *Capillary rise is proportional to

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42. Open channel flow is

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43. In an open channel flow

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

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45. 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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46. If the density of a fluid changes from point to point in a flow region, it is called

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47. 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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48. *Surface tension is the force

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

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

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