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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. In an open channel flow

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2. The Manning's formula for flow in an open channel is given by

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3. The viscosity of liquids varies with temperature

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4. *The pressure in pipe flow is normally

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

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

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7. The minimum head loss will occur in

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

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9. Euler's number is the ratio of

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10. *Cipolleti weir is a

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

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12. *To measure atmospheric pressure, we use

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

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14. *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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15. *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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16. *The difference between the total energy line and the hydraulic gradient line is

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

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

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

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20. *The hydraulic ram is a device

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21. A ideal fluid

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22. *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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23. *Chazy's formula is given by

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24. *A pitot tube is used to measure

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25. The flow in which each liquid particle has a definite path is called

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26. For a long pipe, the head loss

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27. As per our convenience which one is correct with respect to the dimensionless number?

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28. *If the velocity, pressure, density, etc., do not change at a point with respect to time, the flow is called

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29. *The discharge through a rectangular channel is maximum when

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30. Hydraulic gradient line for an open flow channel is

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31. 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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32. *Pascal's law states that pressure at a point is equal in all directions

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33. Liquids or fluids

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34. *The float method is used to measure

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35. The error 1% in measuring H will produce a

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36. *Pressure head is given by

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37. *Piezometers are used to measure

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38. The imaginary line drawn such that the tangents at its all points indicate the direction of the velocity of the fluid particle at each point is called

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39. A siphon is an

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40. The viscosity of gases varies with temperature

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

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42. 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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43. 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

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44. *The magnitude of water hammer depends upon

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

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47. *Pressure within a soap bubble is

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48. The two depths at which the specific energy is the same are called

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49. *Bernoulli's equation is applied to

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

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