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. Cavitations is collapsed by

2 / 50

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

3 / 50

3. *Hydraulic gradient line (H.G.L.) represents the sum of

4 / 50

4. *The float method is used to measure

5 / 50

5. *Hydraulic gradient is equal to

6 / 50

6. Total head of a particle in motion is the sum of

7 / 50

7. *The hydraulic radius is equal to

8 / 50

8. *Venturimeter is used to measure

9 / 50

9. In an open tube, the free surface of mercury remains

10 / 50

10. One horsepower is equal to

11 / 50

11. A siphon is an

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

14 / 50

14. *A pitot tube is used to measure

15 / 50

15. The flow in which each liquid particle has a definite path is called

16 / 50

16. In an inclined pipe, the pressure difference at its two ends is due to

17 / 50

17. In fluids, steady flow occurs when

18 / 50

18. 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.

19 / 50

19. A steady uniform flow is through a

20 / 50

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

21 / 50

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

22 / 50

22. "Manning's formula is used for

23 / 50

23. 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

24 / 50

24. *1 m head is equivalent to

25 / 50

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

26 / 50

26. The depth of flow at which the specific energy is minimum is called

27 / 50

27. A fluid particle may possess the displacement of

28 / 50

28. *A stepped notch is a combination of

29 / 50

29. 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

30 / 50

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

31 / 50

31. *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

32 / 50

32. *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

33 / 50

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

34 / 50

34. Velocity of flow may be determined using:

35 / 50

35. 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)

36 / 50

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

37 / 50

37. *Bernoulli's equation is applied to

38 / 50

38. Hooke's law for solids is analogous to

39 / 50

39. *Head loss increases with

40 / 50

40. *The condition for the maximum velocity and discharge is given by (closed flow)

41 / 50

41. 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

42 / 50

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

43 / 50

43. 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)

44 / 50

44. Cavitations in flowing fluid occurs when

45 / 50

45. *The discharge through a rectangular channel is maximum when

46 / 50

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

47 / 50

47. *If the velocity in a fluid flow does not change with respect to the length of the direction of flow, it is called

48 / 50

48. *Chazy's formula is given by

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49. Mouthpieces are used to measure

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50. *Orifice-meter is used to measure:

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