Hydraulics Online Test - Paper 3 » Expert Quiz Test
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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. Specific energy of a flowing fluid per unit weight is equal to

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2. The pressure less than atmospheric pressure is known as

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

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

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5. For uniform flow in the channel

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

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7. *Orifice-meter is used to measure:

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

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9. The error 1% in measuring H will produce a

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

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11. Liquids

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12. Open channel flow is

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

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14. Euler's number is the ratio of

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15. In an open channel flow

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16. *1 m head is equivalent to

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

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

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

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21. *If fluid or flow parameters at any given instant remain the same at every point in space, it is called:

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22. *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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23. *Bernoulli's equation is applied to

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24. Cavitations in flowing fluid occurs when

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25. 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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26. *The discharge through a trapezoidal channel is maximum when

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27. The depth of flow after the hydraulic jump is

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28. *Hydraulic gradient line (except siphon)

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

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30. 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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31. *The orifice used for low discharge is

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32. *Water cushion is used to

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

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34. *The main assumption of Bernoulli's equation is

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35. The viscosity of gases varies with temperature

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36. If the velocity in a fluid flow changes with respect to the length of the direction of the flow, it is called

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37. A rise or fall of liquid in a glass tube of a very small diameter when dipped is

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38. 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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39. *An independent mass of a fluid does not possess

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

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

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42. *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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43. The pressure difference between inside and outside of a droplet of water is given by (Where σ is surface tension and d is the diameter of the droplet.)

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

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45. The most efficient channel section is

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

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47. *The float method is used to measure

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48. 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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49. *Bernoulli's equation assumes that

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

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