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. *Orifice-meter is used to measure:

2 / 50

2. *1 m head is equivalent to

3 / 50

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

4 / 50

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

5 / 50

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

6 / 50

6. Crest of a weir is lower than d/s water level

7 / 50

7. The inlet length of a venturimeter

8 / 50

8. The minimum head loss will occur in

9 / 50

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

10 / 50

10. *Cipolleti weir is a

11 / 50

11. 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

12 / 50

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

13 / 50

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

14 / 50

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

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15. In an open channel flow

16 / 50

16. For the laminar flow through a circular pipe, the maximum velocity is

17 / 50

17. *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

18 / 50

18. *Hydraulic gradient is equal to

19 / 50

19. Open channel flow is

20 / 50

20. 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

21 / 50

21. *The most economical section of a circular channel for the maximum velocity is when

22 / 50

22. For uniform flow in the channel

23 / 50

23. When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as:

24 / 50

24. The most efficient channel section is

25 / 50

25. 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.

26 / 50

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

27 / 50

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

28 / 50

28. Poise is the unit of

29 / 50

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

30 / 50

30. *An ideal flow of a liquid obeys

31 / 50

31. When the pipes are connected in series, the total rate of flow

32 / 50

32. The ratio of the percentage error in the discharge and the percentage error in the measurement of head over a triangular notch is

33 / 50

33. The Manning's formula for flow in an open channel is given by

34 / 50

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

35 / 50

35. Euler's number is the ratio of

36 / 50

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

37 / 50

37. Cavitations in flowing fluid occurs when

38 / 50

38. *Capillarity of water is

39 / 50

39. Water belongs to

40 / 50

40. The maximum velocity in an open channel occurs

41 / 50

41. *Capillary rise is proportional to

42 / 50

42. Hydraulic gradient line for an open flow channel is

43 / 50

43. *The atmospheric pressure varies with

44 / 50

44. The head of water representing in the case of HGL line is known as

45 / 50

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

46 / 50

46. 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

47 / 50

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

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48. 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

49 / 50

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

50 / 50

50. The viscosity of gases varies with temperature

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