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%
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1. *The rate of flow through a venturimeter varies as

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2. 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)

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3. Chazy's formula is used to determine

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

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5. *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

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6. If S is the height of the crest above the base of the channel and H is the head of water over the weir, whose length is L and discharge is Q m^3/sec, the velocity of approach Va is

7 / 50

7. Water belongs to

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

9 / 50

9. Which of the following quantities are dimensionless?

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

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11. *Pressure within a soap bubble is

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

13 / 50

13. Which of the following has the highest coefficient of discharge:

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14. *Cavitations is caused by

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15. If the Froude number in open channel flow is equal to 1.0, the flow is called

16 / 50

16. The total energy of a liquid in motion is equal to:

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17. A vessel having a depth of 30 cm is filled with water up to a depth of 10 cm from the top level. Find the pressure exerted at a depth of 5 cm and 15 cm from the top of the vessel respectively

18 / 50

18. The capillary rise or fall of the liquid is given by

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19. A siphon is an

20 / 50

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

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21. *In flow, the liquid particles may possess

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

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23. At the vena contracta, the jet has the minimum cross-sectional area, and so the velocity of the liquid at this section will be

24 / 50

24. *Cipolleti weir is a

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

26 / 50

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

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27. *The magnitude of water hammer depends upon

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28. *Bernoulli's equation assumes that

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

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

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

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32. *The phenomenon occurring in an open channel when a rapidly flowing stream abruptly changes to a slowly flowing stream, causing a distinct rise of the liquid surface, is

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33. The hydrostatic force exerted by 2 m deep water on the gate downstream is equal to

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34. If H is the height of the liquid above the sill, the effect of end contraction on each side, according to Francis' formula, is

35 / 50

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

36 / 50

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

37 / 50

37. *1 m head is equivalent to

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

39 / 50

39. In fluids, steady flow occurs when

40 / 50

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

41 / 50

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

42 / 50

42. The most efficient channel section is

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43. In an inclined pipe, the pressure difference at its two ends is due to

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44. Cavitations is collapsed by

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

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46. *Uniform flow is said to occur when

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47. Specific weight of sea water is more than that of pure water because of

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48. Super-critical flow occurs in

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49. 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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50. 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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