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. *An orifice is called a large orifice if the water head is

2 / 50

2. 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

3 / 50

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

4 / 50

4. *To measure atmospheric pressure, we use

5 / 50

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

6 / 50

6. *Capillarity of water is

7 / 50

7. The capillary rise or fall of the liquid is given by

8 / 50

8. *Pressure head is given by

9 / 50

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

10 / 50

10. The minimum head loss will occur in

11 / 50

11. 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

12 / 50

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

13 / 50

13. Gauge pressure is

14 / 50

14. *The hydraulic ram is a pump that works on

15 / 50

15. 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

16 / 50

16. *Venturimeter is used to measure

17 / 50

17. *In flow, the liquid particles may possess

18 / 50

18. For a long pipe, the head loss

19 / 50

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

20 / 50

20. The depth of flow after the hydraulic jump is

21 / 50

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

22 / 50

22. *The magnitude of water hammer depends upon

23 / 50

23. Cavitations in flowing fluid occurs when

24 / 50

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

25 / 50

25. In a venturimeter, the divergent cone is kept

26 / 50

26. Open channel flow is

27 / 50

27. Hydrostatic pressure on a dam depends upon its

28 / 50

28. Discharge over an ogee weir remains the same as that of

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29. The numerical value of vorticity is.....of the rotation

30 / 50

30. The two depths at which the specific energy is the same are called

31 / 50

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

32 / 50

32. *The rate of flow through a V-notch varies as:

33 / 50

33. The viscosity of liquids varies with temperature

34 / 50

34. Hooke's law for solids is analogous to

35 / 50

35. An intensifier is used to increase

36 / 50

36. Hydraulic gradient line for an open flow channel is

37 / 50

37. *The hydraulic ram is a device

38 / 50

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

39 / 50

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

40 / 50

40. Cavitations is collapsed by

41 / 50

41. *Piezometers are used to measure

42 / 50

42. The error 1% in measuring H will produce a

43 / 50

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

44 / 50

44. 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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45. The phenomenon of rising of a liquid surface in a tube of small diameter relative to the adjacent normal level of the liquid is known as

46 / 50

46. In an open channel flow

47 / 50

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

48 / 50

48. *Surface float is used to measure

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49. *The atmospheric pressure varies with

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

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