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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. Water belongs to

2 / 50

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

3 / 50

3. *Molecules of fluids get attracted due to

4 / 50

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

5 / 50

5. 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.

6 / 50

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

7 / 50

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

8 / 50

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

9 / 50

9. *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

10 / 50

10. *Surface float is used to measure

11 / 50

11. The viscosity of liquids varies with temperature

12 / 50

12. *Losses are more in

13 / 50

13. Mach number is the ratio of inertia force to

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14. *The upper surface of the notch over which water flows is known as

15 / 50

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

16 / 50

16. 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

17 / 50

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

18 / 50

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

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

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20. *Water cushion is used to

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21. Which of the following quantities are dimensionless?

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22. Pick up the correct statement from the following

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23. *Capillarity of water is

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24. A fluid particle may possess the displacement of

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25. The depth of flow after the hydraulic jump is

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

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27. As per our convenience which one is correct with respect to the dimensionless number?

28 / 50

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

29 / 50

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

30 / 50

30. Velocity of flow may be determined using:

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31. Super-critical flow occurs in

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32. *The float method is used to measure

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

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

35 / 50

35. Water hammer is a phenomenon that occurs

36 / 50

36. Liquids or fluids

37 / 50

37. Mass density of liquid (p) is given by

38 / 50

38. *Pascal's law states that pressure at a point is equal in all directions

39 / 50

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

40 / 50

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

41 / 50

41. *The types of instrument used to measure low pressure with accuracy is

42 / 50

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

43 / 50

43. The profile of rising water on the upstream side of the dam is called

44 / 50

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

45 / 50

45. *Chazy's formula is given by

46 / 50

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

47 / 50

47. In an inclined position, a venturimeter records

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

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49. Falling drops of water become spheres due to

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50. For the same specific force, the two depths at which the same discharge occurs are called

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