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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. *Cipolleti weir is a

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

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3. *Surface tension is the force

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4. 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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5. If the Froude number in open channel flow is more than 1.0, the flow is called

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6. A substance which deforms continuously under the action of shear stress is called

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

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8. Liquids or fluids

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9. Head loss due to friction in a pipe is given by the Darcy-Weisbach equation

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10. The continuity equation

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

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12. The multiplying factor for converting one poise into MKS unit of dynamic viscosity is

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

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14. Water hammer is a phenomenon that occurs

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15. The minimum head loss will occur in

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

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17. 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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18. In fluids, steady flow occurs when

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19. The depth of flow at which the specific energy is minimum is called

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

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21. *Stoke is the unit of

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22. *The discharge through a rectangular channel is maximum when

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23. *Viscosity of a liquid

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24. *The specific weight of water 1000 kg/m^3

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

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26. 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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27. *The rise of the water table, which takes place due to the transformation of the unstable shooting flow (super-critical) to the stable streaming is called

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

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

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30. Specific weight of liquid

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31. If the Froude number in open channel flow is equal to 1.0, the flow is called

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32. *An independent mass of a fluid does not possess

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33. The depth of flow after the hydraulic jump is

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

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35. *The rate of flow through a venturimeter varies as

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36. *The wetted perimeter of a channel is given by

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

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38. Euler's number is the ratio of

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

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

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

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43. *The discharge passing through the crest having a length of 1.25m, a height of the flow of water 0.25m, and Cd = 0.035 is

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

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45. *The hydraulic radius is equal to

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46. The viscosity of gases varies with temperature

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47. If the forces are due to inertia and gravity, and frictional resistance plays only a minor role, the design of channels is made by comparing

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48. *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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49. The Manning's formula for flow in an open channel is given by

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50. In a flowing liquid, a particle may possess

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