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

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2. With a clinging nappe of a weir, the excess discharge is

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

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4. The maximum velocity in an open channel occurs

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5. A vessel having a depth of 30 cm is filled with water up to a depth of 10 cm from the top level. Find the pressure exerted at a depth of 5 cm and 15 cm from the top of the vessel respectively

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6. If the Froude number in open channel flow is equal to 1.0, the flow is called

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7. For any channel section, the specific energy increase with

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8. Cavitations is collapsed by

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

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10. *The magnitude of water hammer depends upon

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11. *A pitot tube is used to measure

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12. Flow in pipes is turbulent if the Reynolds number is

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13. Chazy's formula is used to determine

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

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

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16. 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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17. A triangular notch is preferred to a rectangular notch because

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18. An intensifier is used to increase

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19. Water hammer is a phenomenon that occurs

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

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

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

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23. *The specific weight of water 1000 kg/m^3

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

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

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26. The viscosity of liquids varies with temperature

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27. One horsepower is equal to

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28. *Pressure head is given by

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29. *Cipolleti weir is a

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

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31. *Venturimeter is used to measure

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32. 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

33 / 50

33. The profile of rising water on the upstream side of the dam is called

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34. Hydraulic gradient line for an open flow channel is

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

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

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

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

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39. 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)

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40. In a venturimeter, the divergent cone is kept

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41. 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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42. *Which of the following statements is valid?

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43. Find the capillary rise/fall in a glass tube when immersed in mercury with the following given data: surface tension, σ = 0.52 gmf/cm, angle of contact, θ = 130°, S.G. of mercury = 13.6, diameter of the pipe = 2.5 mm.

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

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45. *Stoke is the unit of

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46. Hydrostatic pressure on a dam depends upon its

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47. Weber number is the ratio of inertia force to

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48. *The wetted perimeter of a channel is given by

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

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50. Gauge pressure is

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