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

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2. Mach number is the ratio of inertia force to

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3. *Back water curve is caused if there is a

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

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5. *The float method is used to measure

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6. A steady uniform flow is through a

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7. The water immediately downstream of the conduit or weir is called

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

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9. 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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10. *Venturimeter is used to measure

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11. *The hydraulic ram is a device

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12. *Viscosity of a liquid

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13. *1 m head is equivalent to

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

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15. *The continuity equation deals with the law of conservation of

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16. Weber number is the ratio of inertia force to

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

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18. A rise or fall of liquid in a glass tube of a very small diameter when dipped is

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

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20. *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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21. The attraction among different particles of the same material is

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22. *Capillary rise is proportional to

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

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24. *Uniform flow is said to occur when

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25. For a long pipe, the head loss

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26. In the case of a broad-crested weir, the depth of water h at the end of the still is given by

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27. Total pressure on the top of a closed cylindrical vessel completely filled with liquid is directly proportional to

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28. In a venturimeter, the divergent cone is kept

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

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30. Poise is the unit of

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

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32. The multiplying factor for converting one poise into MKS unit of dynamic viscosity is

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33. One horsepower is equal to

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34. *Pressure within a soap bubble is

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

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

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

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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. *Barometers are used to measure

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

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

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

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43. *A pitot tube is used to measure

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

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

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46. Practical fluids possess

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47. *Losses are more in

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48. *Surface float is used to measure

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49. *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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50. *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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