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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 term P/pg is known as

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2. *Head loss increases with

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3. *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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4. *The equation of continuity of fluids is applicable only if

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

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

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7. *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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8. One horsepower is equal to

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9. Liquids

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10. *Which of the following statements is valid?

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11. For uniform flow in the channel

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

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13. Specific energy of a flowing fluid per unit weight is equal to

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

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

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16. Rotation is defined as the movement of a fluid element in such a way that both of its axes rotate in...

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17. *Stoke is the unit of

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18. The line joining the points to which the liquid rises in vertical piezometer tubes fitted at different cross-sections of a conduit is known as

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

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21. Water hammer is a phenomenon that occurs

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

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23. The depth of flow after the hydraulic jump is

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24. Reynolds number is the ratio of initial force and

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25. For the same specific force, the two depths at which the same discharge occurs are called

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

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27. *1 m head is equivalent to

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

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

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

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31. The inlet length of a venturimeter

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32. If the pressure is applied to the surface of a liquid, the liquid transmits the pressure equally in all directions is given by

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

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34. *Orifice-meter is used to measure:

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35. Chazy's formula is used to determine

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36. *The magnitude of water hammer depends upon

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37. *If the volume of liquid weighing 3000 kg is 4 cubic meters, then the specific gravity is

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

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39. A siphon is an

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40. To avoid an interruption in the flow of a siphon, the air vessel is provided

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41. *Manometers are used to measure

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

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

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

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45. *Capillarity of water is

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46. The viscosity of gases varies with temperature

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

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48. *Bernoulli's theorem deals with the law of conservation of

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

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50. 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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