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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 most economical section of a circular channel for the maximum discharge is when

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2. 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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3. An oil of specific gravity 0.7 and pressure 0.14 kgf/cm^2 will have the height of oil as

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4. 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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5. The attraction among different particles of the same material is

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

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7. Which of the following quantities are dimensionless?

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8. When the pipes are connected in parallel, the total loss of head

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9. *The energy possessed by a fluid by virtue of its existing pressure is called

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

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

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12. In the case of a broad-crested weir, the depth of water h at the end of the still is given by

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

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14. Weber number is the ratio of inertia force to

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15. *Stoke is the unit of

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16. The viscosity of gases varies with temperature

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17. Poise is the unit of

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18. Falling drops of water become spheres due to

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19. Water belongs to

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20. *The magnitude of water hammer depends upon

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

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23. *The actual velocity through an orifice is........... than the theoretical velocity.

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24. One horsepower is equal to

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25. *Surface float is used to measure

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

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

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

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29. If the density of a fluid changes from point to point in a flow region, it is called

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30. *Cavitations is caused by

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31. *If the velocity in a fluid flow does not change with respect to the length of the direction of flow, it is called

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

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33. *The hydraulic radius is equal to

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34. *Cipolleti weir is a

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

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

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37. A ideal fluid

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38. *The orifice used for low discharge is

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

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

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41. In the case of vortex flow, the level of water at the center is

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42. When the pipes are connected in series, the total rate of flow

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

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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. "Manning's formula is used for

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46. The pressure less than atmospheric pressure is known as

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47. An intensifier is used to increase

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48. *A stepped notch is a combination of

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49. *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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50. Discharge over an ogee weir remains the same as that of

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