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%
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1. *The floating method is used for the measurement of

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

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3. *A pitot tube is used to measure

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4. 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

5 / 50

5. A fluid particle may possess the displacement of

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6. *Surface tension is the force

7 / 50

7. Practical fluids possess

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

9 / 50

9. *Pressure head is given by

10 / 50

10. Gauge pressure is

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

12 / 50

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

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13. The ratio of the percentage error in the discharge and the percentage error in the measurement of head over a rectangular notch is

14 / 50

14. A steady uniform flow is through a

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15. Mouthpieces are used to measure

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16. *Viscosity of a liquid

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17. Liquids or fluids

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18. 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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19. 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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20. *The rise of the water table, which takes place due to the transformation of the unstable shooting flow (super-critical) to the stable streaming is called

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21. Velocity of flow may be determined using:

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22. The attraction among different particles of the same material is

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23. *Which of the following statements is valid?

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24. Water belongs to

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25. *The equation of continuity of fluids is applicable only if

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26. If the specific gravity of oil is 0.7, then find the density of oil

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27. Specific energy of a flowing fluid per unit weight is equal to

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

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

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

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31. In a flowing liquid, a particle may possess

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

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

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

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36. Pick up the correct statement from the following

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37. When the pipes are connected in parallel, the total loss of head

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

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40. *A stepped notch is a combination of

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41. *Rotameter is used for measuring

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

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

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

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45. *Pascal's law states that pressure at a point is equal in all directions

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46. The pressure difference between inside and outside of a droplet of water is given by (Where σ is surface tension and d is the diameter of the droplet.)

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

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

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

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50. The viscosity of gases varies with temperature

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