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. 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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2. At the vena contracta, the jet has the minimum cross-sectional area, and so the velocity of the liquid at this section will be

3 / 50

3. 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

4 / 50

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

5 / 50

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

6 / 50

6. *Cipolletti weir is a trapezoidal weir having a side slope of

7 / 50

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

8 / 50

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

9 / 50

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

10 / 50

10. 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.

11 / 50

11. *Molecules of fluids get attracted due to

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12. In fluids, steady flow occurs when

13 / 50

13. *To measure very low pressure, we use:

14 / 50

14. *Chazy's formula is given by

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15. Chazy's formula is used to determine

16 / 50

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

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17. If the specific gravity of oil is 0.7, then find the density of oil

18 / 50

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

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19. 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)

20 / 50

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

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

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22. *If the velocity of fluid particles varies from point to point in magnitude and direction, as well as from instant to instant, the flow is said to be

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23. *The float method is used to measure

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

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25. Which of the following has the highest coefficient of discharge:

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

27 / 50

27. Which of the following is the example of laminar flow?

28 / 50

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

29 / 50

29. Open channel flow is

30 / 50

30. Gauge pressure is

31 / 50

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

32 / 50

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

33 / 50

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

34 / 50

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

35 / 50

35. *Hydraulic gradient is equal to

36 / 50

36. 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

37 / 50

37. *If a pitot tube is placed with its nose facing sideways, the liquid

38 / 50

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

39 / 50

39. A fluid particle may possess the displacement of

40 / 50

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

41 / 50

41. In a venturimeter, the divergent cone is kept

42 / 50

42. A siphon is an

43 / 50

43. If the fluid particles move in a zig-zag way, the flow is called

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44. 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

45 / 50

45. *Capillary rise is proportional to

46 / 50

46. A rise or fall of liquid in a glass tube of a very small diameter when dipped is

47 / 50

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

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48. For uniform flow in the channel

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49. *Which of the following statements is valid?

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50. *Bernoulli's theorem deals with the law of conservation of

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