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

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

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

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4. Head loss due to friction in a pipe is given by the Darcy-Weisbach equation

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

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6. Gauge pressure is

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7. *The types of instrument used to measure low pressure with accuracy is

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8. 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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9. In an inclined position, a venturimeter records

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10. *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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11. 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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12. *The hydraulic ram is a device

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

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14. In a venturimeter, the divergent cone is kept

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15. The viscosity of liquids varies with temperature

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

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

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18. Practical fluids possess

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

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

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21. *Manometers are used to measure

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

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23. *The hydraulic radius is equal to

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24. The maximum velocity in an open channel occurs

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

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

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27. 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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28. Water belongs to

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29. *A flow is said to be laminar when

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30. For a long pipe, the head loss

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

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

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34. 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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35. Chazy's formula is used to determine

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

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37. *The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at its centroid if

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38. If the forces are due to inertia and gravity, and frictional resistance plays only a minor role, the design of channels is made by comparing

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39. *Barometers are used to measure

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40. In fluids, steady flow occurs when

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41. *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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42. Liquids

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

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

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

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

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49. *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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50. "Manning's formula is used for

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