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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. *Capillarity of water is

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2. Which of the following is the example of laminar flow?

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3. *The hydraulic radius is equal to

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

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5. *A flow is said to be laminar when

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6. *A pitot tube is used to measure

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

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8. *If a pitot tube is placed with its nose facing sideways, the liquid

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9. A substance which deforms continuously under the action of shear stress is called

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10. Total head of a particle in motion is the sum of

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11. Which of the following quantities are dimensionless?

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12. Liquids or fluids

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13. If fluid or flow parameters at any given instant remain the same at every point in space, it is called:

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14. *Capillary rise is proportional to

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15. In an inclined position, a venturimeter records

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

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17. In a flowing liquid, a particle may possess

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

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19. The term z is known as

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20. *Head loss increases with

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21. *The magnitude of water hammer depends upon

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22. Discharge over an ogee weir remains the same as that of

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23. *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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24. *Molecules of fluids get attracted due to

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

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26. The term P/pg is known as

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27. A ideal fluid

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28. The viscosity of gases varies with temperature

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

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30. The minimum head loss will occur in

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31. *A stepped notch is a combination of

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

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34. Gauge pressure is

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

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36. *The upper surface of the weir over which water flows is known as

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

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38. The depth of flow after the hydraulic jump is

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

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40. The hydrostatic force exerted by 2 m deep water on the gate downstream is equal to

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

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

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

44 / 50

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

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45. *The magnitude of capillary rise is more in:

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46. Falling drops of water become spheres due to

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

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

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

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50. The line joining the points to which the liquid rises in vertical piezometer tubes fitted at different cross-sections of a conduit is known as

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