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
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1. In the case of a broad-crested weir, the depth of water h at the end of the still is given by

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2. *The float method is used to measure

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3. Reynolds number is the ratio of initial force and

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4. 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

5 / 50

5. An intensifier is used to increase

6 / 50

6. Mach number is the ratio of inertia force to

7 / 50

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

8 / 50

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

9 / 50

9. *Hydraulic gradient line (except siphon)

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

11 / 50

11. *Stoke is the unit of

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12. The line joining the points to which the liquid rises in vertical piezometer tubes fitted at different cross-sections of a conduit is known as

13 / 50

13. *Cavitations is caused by

14 / 50

14. The depth of flow after the hydraulic jump is

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15. Hydrostatic pressure on a dam depends upon its

16 / 50

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

17 / 50

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

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

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19. *Bernoulli's equation assumes that

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20. The two depths at which the specific energy is the same are called

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21. Head loss due to friction in a pipe is given by the Darcy-Weisbach equation

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22. *If the velocity, pressure, density, etc., change at a point with respect to time, the flow is called

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

24 / 50

24. The upward water pressure at the base of the structure is called

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25. *The imaginary line joining each head of water is called

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26. Hooke's law for solids is analogous to

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27. 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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28. Total pressure on the top of a closed cylindrical vessel completely filled with liquid is directly proportional to

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29. ........ is defined as the maximum increase in water level in the path of the flow of water

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30. The attraction among different particles of the same material is

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31. *The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at its centroid if

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32. *An ideal flow of a liquid obeys

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33. *Rotameter is used for measuring

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34. Discharge over an ogee weir remains the same as that of

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35. *An independent mass of a fluid does not possess

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

37 / 50

37. The pressure less than atmospheric pressure is known as

38 / 50

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

39 / 50

39. Weber number is the ratio of inertia force to

40 / 50

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

41 / 50

41. The difference in pressure head measured by a mercury-oil differential manometer for a 20 cm difference of mercury level will be (specific gravity of oil-0.8)

42 / 50

42. *The wetted perimeter of a channel is given by

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

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

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

46 / 50

46. The thickness of a sharp-crested weir is kept less than

47 / 50

47. *Hydraulic gradient is equal to

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

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49. 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

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

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