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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. *Capillarity of water is

2 / 50

2. *The float method is used to measure

3 / 50

3. The pressure less than atmospheric pressure is known as

4 / 50

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

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5. A siphon is an

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6. *The actual velocity through an orifice is........... than the theoretical velocity.

7 / 50

7. *Which of the following statements is valid?

8 / 50

8. For uniform flow in the channel

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

10 / 50

10. Liquids or fluids

11 / 50

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

12 / 50

12. *The rate of flow through a venturimeter varies as

13 / 50

13. With a clinging nappe of a weir, the excess discharge is

14 / 50

14. In an open channel flow

15 / 50

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

16 / 50

16. *Venturimeter is used to measure

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17. For any channel section, the specific energy increase with

18 / 50

18. Gauge pressure is

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

20 / 50

20. The term z is known as

21 / 50

21. *Cavitations is caused by

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22. 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)

23 / 50

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

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

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25. *A flow is said to be laminar when

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26. *A stepped notch is a combination of

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27. A ideal fluid

28 / 50

28. 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

29 / 50

29. The term P/pg is known as

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30. *The main assumption of Bernoulli's equation is

31 / 50

31. *Chazy's formula is given by

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

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33. *The rise of the water table, which takes place due to the transformation of the unstable shooting flow (super-critical) to the stable streaming is called

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34. *The pressure in pipe flow is normally

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35. *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

36 / 50

36. *The notch angle for the maximum discharge over a triangular notch is

37 / 50

37. *The continuity equation deals with the law of conservation of

38 / 50

38. Specific weight of liquid

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

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40. *Bernoulli's equation is applied to

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41. *Losses are more in

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

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43. *1 m head is equivalent to

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.

45 / 50

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

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46. *If fluid or flow parameters at any given instant remain the same at every point in space, it is called:

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47. *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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48. *Pressure within a soap bubble is

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49. An intensifier is used to increase

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

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