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

2 / 50

2. Hydrostatic pressure on a dam depends upon its

3 / 50

3. Pick up the correct statement from the following

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4. Hooke's law for solids is analogous to

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5. Cavitations is collapsed by

6 / 50

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

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7. The viscosity of gases varies with temperature

8 / 50

8. Hydraulic gradient line and total energy line are

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9. When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as:

10 / 50

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

11 / 50

11. A steady uniform flow is through a

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12. *Pressure within a soap bubble is

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13. Rotation is defined as the movement of a fluid element in such a way that both of its axes rotate in...

14 / 50

14. Critical depth (he) is given by (where q= rate of flow per unit width of channel)

15 / 50

15. From a nozzle exposed to the atmosphere, the liquid jet traverses

16 / 50

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

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17. 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)

18 / 50

18. *Pressure head is given by

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

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20. 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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21. *Surface float is used to measure

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22. The basic head loss in a long pipe is:

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

24 / 50

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

25 / 50

25. If the velocity in a fluid flow changes with respect to the length of the direction of the flow, it is called

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26. *The hydraulic ram is a device

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27. 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

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28. *Differential manometers are used to measure

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29. *If a pitot tube is placed with its nose facing downstream, the liquid

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30. For a long pipe, the head loss

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

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32. 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

33 / 50

33. *The upper surface of the weir over which water flows is known as

34 / 50

34. One horsepower is equal to

35 / 50

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

36 / 50

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

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

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

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

40 / 50

40. The maximum velocity in an open channel occurs

41 / 50

41. *Venturimeter is used to measure

42 / 50

42. Chazy's formula is used to determine

43 / 50

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

44 / 50

44. In the case of vortex flow, the level of water at the center is

45 / 50

45. 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

46 / 50

46. Practical fluids possess

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47. *Cavitations is caused by

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48. *Which of the following statements is valid?

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

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50. The pressure less than atmospheric pressure is known as

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