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%
  • Randomization: Yes
  • Certificate: Yes
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1. In the case of a broad-crested weir, the depth of water h at the end of the still is given by

2 / 50

2. If the fluid particles move in straight lines and all the lines are parallel to the surface, the flow is called

3 / 50

3. *Surface tension is the force

4 / 50

4. The pressure less than atmospheric pressure is known as

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5. A siphon is used

6 / 50

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

7 / 50

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

8 / 50

8. *Bernoulli's equation is applied to

9 / 50

9. 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

10 / 50

10. Falling drops of water become spheres due to

11 / 50

11. To ensure that water does not rise more than 100 cm above the crest, for a discharge of 5.00 m^3/sec, the length of the weir will be (Cd = 0.62)

12 / 50

12. *The imaginary line joining each head of water is called

13 / 50

13. If the pressure is applied to the surface of a liquid, the liquid transmits the pressure equally in all directions is given by

14 / 50

14. A triangular notch is preferred to a rectangular notch because

15 / 50

15. *A flow is said to be laminar when

16 / 50

16. 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)

17 / 50

17. The continuity equation

18 / 50

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

19 / 50

19. The maximum velocity in an open channel occurs

20 / 50

20. *Stoke is the unit of

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21. *If the velocity, pressure, density, etc., do not change at a point with respect to time, the flow is called

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

23 / 50

23. 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)

24 / 50

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

25 / 50

25. A fluid particle may possess the displacement of

26 / 50

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

27 / 50

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

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28. *Total energy line (T.E.L) represents the sum of

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29. Liquids

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30. The minimum head loss will occur in

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31. 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

32 / 50

32. *The orifice used for low discharge is

33 / 50

33. *Barometers are used to measure

34 / 50

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

35 / 50

35. 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

36 / 50

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

37 / 50

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

38 / 50

38. *The hydraulic radius is equal to

39 / 50

39. The viscosity of gases varies with temperature

40 / 50

40. *An ideal flow of a liquid obeys

41 / 50

41. The thickness of a sharp-crested weir is kept less than

42 / 50

42. Specific weight of sea water is more than that of pure water because of

43 / 50

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

44 / 50

44. *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

45 / 50

45. Cavitations is collapsed by

46 / 50

46. The upward water pressure at the base of the structure is called

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47. The line joining the points to which the liquid rises in vertical piezometer tubes fitted at different cross-sections of a conduit is known as

48 / 50

48. Hydraulic gradient line and total energy line are

49 / 50

49. Liquids or fluids

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50. 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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