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

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

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3. 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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4. *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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5. Which of the following has the highest coefficient of discharge:

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6. *Molecules of fluids get attracted due to

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7. For a long pipe, the head loss

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

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9. *Orifice-meter is used to measure:

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10. The inlet length of a venturimeter

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11. *Head loss increases with

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12. The depth of flow after the hydraulic jump is

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13. In a flowing liquid, a particle may possess

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

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

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17. The attraction among different particles of the same material is

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18. *The difference between the total energy line and the hydraulic gradient line is

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

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20. *Bernoulli's equation is applied to

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21. Find the capillary rise/fall in a glass tube when immersed in mercury with the following given data: surface tension, σ = 0.52 gmf/cm, angle of contact, θ = 130°, S.G. of mercury = 13.6, diameter of the pipe = 2.5 mm.

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22. *The equation of continuity of fluids is applicable only if

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

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24. *An ideal flow of a liquid obeys

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

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26. *Cavitations is caused by

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

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

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30. For any channel section, the specific energy increase with

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31. Mass density of liquid (p) is given by

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32. Specific weight of sea water is more than that of pure water because of

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33. Liquids

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34. *To measure atmospheric pressure, we use

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

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36. *Which of the following statements is valid?

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37. *Pressure head is given by

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38. *The hydraulic ram is a device

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39. Falling drops of water become spheres due to

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40. A fluid particle may possess the displacement of

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

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42. *The magnitude of water hammer depends upon

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

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44. Which of the following quantities are dimensionless?

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45. Chazy's formula is used to determine

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46. The head of water representing in the case of HGL line is known as

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47. In an inclined pipe, the pressure difference at its two ends is due to

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

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50. *A flow is said to be laminar when

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