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

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

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4. *The float method is used to measure

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

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

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

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

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

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10. Open channel flow is

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11. *In flow, the liquid particles may possess

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

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13. *The hydraulic radius is equal to

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

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

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16. In an open channel flow

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

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18. If H is the height of the liquid above the sill, the effect of end contraction on each side, according to Francis' formula, is

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

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20. The hydrostatic force exerted by 2 m deep water on the gate downstream is equal to

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

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23. Practical fluids possess

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24. Velocity of flow may be determined using:

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25. *Losses are more in

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26. *Capillarity of water is

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27. *A stepped notch is a combination of

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28. *Head loss increases with

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

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

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

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

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

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35. Total head of a particle in motion is the sum of

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36. *Venturimeter is used to measure

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37. *Surface tension is the force

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38. *Total energy line (T.E.L) represents the sum of

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39. *The orifice used for low discharge is

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40. In an open tube, the free surface of mercury remains

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

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

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43. *Pressure within a soap bubble is

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

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45. *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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46. *The pressure in pipe flow is normally

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

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49. Liquids or fluids

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

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