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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 magnitude of capillary rise is more in:

2 / 50

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. Super-critical flow occurs in

4 / 50

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

5 / 50

5. A siphon is an

6 / 50

6. Practical fluids possess

7 / 50

7. *Pressure within a soap bubble is

8 / 50

8. *An orifice is called a large orifice if the water head is

9 / 50

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

10 / 50

10. *The term v^2/2g is known as

11 / 50

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

12 / 50

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

13 / 50

13. To avoid an interruption in the flow of a siphon, the air vessel is provided

14 / 50

14. Velocity of flow may be determined using:

15 / 50

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

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16. An intensifier is used to increase

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17. *Chazy's formula is given by

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18. Falling drops of water become spheres due to

19 / 50

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

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20. In an open channel flow

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

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

23 / 50

23. Water hammer is a phenomenon that occurs

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

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25. *Barometers are used to measure

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

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

28 / 50

28. *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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29. *The upper surface of the weir over which water flows is known as:

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

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31. If the Froude number in open channel flow is more than 1.0, the flow is called

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32. *In flow, the liquid particles may possess

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33. *1 m head is equivalent to

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

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35. Chazy's formula is used to determine

36 / 50

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

37 / 50

37. Cavitations in flowing fluid occurs when

38 / 50

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

39 / 50

39. The term z is known as

40 / 50

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

41 / 50

41. One horsepower is equal to

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42. Hydrostatic pressure on a dam depends upon its

43 / 50

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

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

45 / 50

45. Water belongs to

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46. *Piezometers are used to measure

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47. *Venturimeter is used to measure

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

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49. Euler's number is the ratio of

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50. In an open channel flow

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