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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 discharge through a rectangular channel is maximum when

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2. *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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3. *The rate of flow through a venturimeter varies as

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

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5. The term z is known as

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6. For a long pipe, the head loss

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

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

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9. *The notch angle for the maximum discharge over a triangular notch is

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

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11. Cavitations in flowing fluid occurs when

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12. Hooke's law for solids is analogous to

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13. 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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14. If the specific gravity of oil is 0.7, then find the density of oil

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15. One horsepower is equal to

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

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17. 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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18. 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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19. The pressure less than atmospheric pressure is known as

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20. An intensifier is used to increase

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21. *If a pitot tube is placed with its nose facing sideways, the liquid

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22. *Cipolleti weir is a

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23. The pressure difference between inside and outside of a droplet of water is given by (Where σ is surface tension and d is the diameter of the droplet.)

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

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

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26. *To measure atmospheric pressure, we use

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

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

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29. Practical fluids possess

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

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31. Chazy's formula is used to determine

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32. Hydrostatic pressure on a dam depends upon its

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33. *Capillarity of water is

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

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35. A ideal fluid

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36. *The float method is used to measure

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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. A rise or fall of liquid in a glass tube of a very small diameter when dipped is

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39. *The types of instrument used to measure low pressure with accuracy is

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40. *Which of the following statements is valid?

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41. Pick up the correct statement from the following

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

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43. A steady uniform flow is through a

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44. The minimum head loss will occur in

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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. *Head loss increases with

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

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

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49. *Chazy's formula is given by

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

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