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. Open channel flow is

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2. *In flow, the liquid particles may possess

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3. 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

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

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5. A steady uniform flow is through a

6 / 50

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

7 / 50

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

8 / 50

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

9 / 50

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

10 / 50

10. Which of the following quantities are dimensionless?

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11. 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

12 / 50

12. *Uniform flow is said to occur when

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13. *Variation in volume of liquid with variation in pressure is called

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

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

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16. If the Froude number in open channel flow is less than 1.0, the flow is called

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17. *Orifice-meter is used to measure:

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18. A siphon is used

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

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20. A siphon is an

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21. *If the volume of a liquid weighing 2400 kg is 3 cubic meters, then 0.8 is its:

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22. *The magnitude of water hammer depends upon

23 / 50

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

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24. *Back water curve is caused if there is a

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25. 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)

26 / 50

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

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

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28. The numerical value of vorticity is.....of the rotation

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29. *Bernoulli's equation assumes that

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30. Weber number is the ratio of inertia force to

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31. Cavitations is collapsed by

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32. *Chazy's formula is given by

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33. The most efficient channel section is

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34. *Pressure within a soap bubble is

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35. *The hydraulic ram is a device

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

37 / 50

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

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38. *Cipolletti weir is a trapezoidal weir having a side slope of

39 / 50

39. *To measure atmospheric pressure, we use

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40. *Bernoulli's equation is applied to

41 / 50

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

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42. *Venturimeter is used to measure

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43. For any channel section, the specific energy increase with

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44. The minimum head loss will occur in

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

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

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47. The discharge through a V-notch weir is directly proportional to:

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48. In an inclined position, a venturimeter records

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49. *Which of the following statements is valid?

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

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