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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. *Hydraulic gradient line (H.G.L.) represents the sum of

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2. In an inclined position, a venturimeter records

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3. When the fluid is at rest, the shear stress is

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4. *Pressure within a soap bubble is

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5. *A stepped notch is a combination of

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6. *The hydraulic radius is equal to

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7. Total pressure on the top of a closed cylindrical vessel completely filled with liquid is directly proportional to

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8. From a nozzle exposed to the atmosphere, the liquid jet traverses

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

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10. 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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11. Water belongs to

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

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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. *Hydraulic gradient line (except siphon)

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15. The viscosity of liquids varies with temperature

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16. 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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17. *The equation of continuity of fluids is applicable only if

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18. Specific weight of liquid

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19. *An ideal flow of a liquid obeys

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20. *Venturimeter is used to measure

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21. In an open channel flow

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22. The water immediately downstream of the conduit or weir is called

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23. The ratio of the percentage error in the discharge and the percentage error in the measurement of head over a rectangular notch is

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24. Cavitations is collapsed by

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25. 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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26. *The magnitude of capillary rise is more in:

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

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

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30. 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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31. *Piezometers are used to measure

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32. *Differential manometers are used to measure

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33. 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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34. In a flowing liquid, a particle may possess

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

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

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37. The depth of flow after the hydraulic jump is

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38. Critical depth (he) is given by (where q= rate of flow per unit width of channel)

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

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40. *The magnitude of water hammer depends upon

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41. Falling drops of water become spheres due to

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42. For the laminar flow through a circular pipe, the maximum velocity is

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

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44. Velocity of flow may be determined using:

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

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46. 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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47. If the fluid particles move in straight lines and all the lines are parallel to the surface, the flow is called

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48. *The condition for the maximum velocity and discharge is given by (closed flow)

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

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

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