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. *Molecules of fluids get attracted due to

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2. *Bernoulli's equation assumes that

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3. In an inclined position, a venturimeter records

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

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5. *Viscosity of a liquid

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6. *Hydraulic gradient line (except siphon)

7 / 50

7. The viscosity of gases varies with temperature

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

9 / 50

9. "Manning's formula is used for

10 / 50

10. A triangular notch is preferred to a rectangular notch because

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

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12. The viscosity of liquids varies with temperature

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13. *Cipolleti weir is a

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

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15. *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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16. *Back water curve is caused if there is a

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17. The depth of flow after the hydraulic jump is

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18. *In flow, the liquid particles may possess

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19. Hydraulic gradient line and total energy line are

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20. If the volume of a liquid weighing 3000 kg is 4 cubic meters, then 0.75 is its

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21. In fluids, steady flow occurs when

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

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23. *1 m head is equivalent to

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24. The pressure less than atmospheric pressure is known as

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25. Pick up the correct statement from the following

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26. The head of water representing in the case of HGL line is known as

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27. *What affects the quantity of mass of a fluid?

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28. *The rise of the water table, which takes place due to the transformation of the unstable shooting flow (super-critical) to the stable streaming is called

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

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30. 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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31. For uniform flow in the channel

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32. The term z is known as

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33. *Losses are more in

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

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35. Chazy's formula is used to determine

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

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37. 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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38. 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

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39. Mouthpieces are used to measure

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40. *The width of a weir with end contraction is

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

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

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43. 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)

44 / 50

44. Open channel flow is

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

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46. 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

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

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

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49. *The floating method is used for the measurement of

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50. For a circular channel, the wetted perimeter is given by (where θ=half the angle subtended by the water at the center and R= radius of circular channel)

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