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. *Barometers are used to measure

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

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3. *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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4. *A pitot tube is used to measure

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5. *Chazy's formula is given by

6 / 50

6. The most efficient channel section is

7 / 50

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

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8. The difference in pressure head measured by a mercury-oil differential manometer for a 20 cm difference of mercury level will be (specific gravity of oil-0.8)

9 / 50

9. *Surface tension is the force

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10. At the vena contracta, the jet has the minimum cross-sectional area, and so the velocity of the liquid at this section will be

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11. The section of the Jet leaving an orifice, having the minimum cross-section area, is called

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12. Mouthpieces are used to measure

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13. The imaginary line drawn such that the tangents at its all points indicate the direction of the velocity of the fluid particle at each point is called

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

15 / 50

15. The pressure less than atmospheric pressure is known as

16 / 50

16. Liquids

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17. Gauge pressure is

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18. In an open channel flow

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19. The viscosity of liquids varies with temperature

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20. To avoid an interruption in the flow of a siphon, the air vessel is provided

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21. ........ is defined as the maximum increase in water level in the path of the flow of water

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

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

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24. 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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25. *If the velocity in a fluid flow does not change with respect to the length of the direction of flow, it is called

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26. For a long pipe, the head loss

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27. From a nozzle exposed to the atmosphere, the liquid jet traverses

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28. For uniform flow in the channel

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

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30. 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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31. For the flow of liquid from an open-ended tube (nozzle) leading to the formation of a spray of liquid drops, the number generally is

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

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33. In a flowing liquid, a particle may possess

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34. The maximum velocity in an open channel occurs

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

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36. The Manning's formula for flow in an open channel is given by

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37. An oil of specific gravity 0.7 and pressure 0.14 kgf/cm^2 will have the height of oil as

38 / 50

38. In an inclined position, a venturimeter records

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39. Chazy's formula is used to determine

40 / 50

40. *The hydraulic ram is a device

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41. *In flow, the liquid particles may possess

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

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43. "Maximum efficiency of power transmission through a pipe is

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44. *Pressure within a soap bubble is

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

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46. *The pressure in pipe flow is normally

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

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48. For the laminar flow through a circular pipe, the maximum velocity is

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49. *The magnitude of water hammer depends upon

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50. *Variation in volume of liquid with variation in pressure is called

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