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 weight of sea water is more than that of pure water because of

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2. Which of the following quantities are dimensionless?

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3. The numerical value of vorticity is.....of the rotation

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4. *Chazy's formula is given by

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5. The ratio of the inertia and gravitational force acting in any flow, ignoring other forces, is called

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6. 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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7. *The most economical section of a circular channel for the maximum velocity is when

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

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9. *Head loss increases with

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10. 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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11. Which of the following has the highest coefficient of discharge:

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

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13. Gauge pressure is

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14. *If a pitot tube is placed with its nose facing downstream, the liquid

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

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16. *The upper surface of the notch over which water flows is known as

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17. When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as:

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18. Super-critical flow occurs in

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19. The ratio of the mean velocity to the surface velocity in open channels is equal to

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

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21. The phenomenon of rising of a liquid surface in a tube of small diameter relative to the adjacent normal level of the liquid is known as

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22. A ideal fluid

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23. A fluid particle may possess the displacement of

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

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

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26. Liquids

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27. Mouthpieces are used to measure

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28. *The width of a weir with end contraction is

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

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30. An intensifier is used to increase

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31. Poise is the unit of

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32. *Surface float is used to measure

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33. *Which of the following statements is valid?

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34. The minimum head loss will occur in

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

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

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37. 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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38. *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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39. *In flow, the liquid particles may possess

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

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41. A vessel having a depth of 30 cm is filled with water up to a depth of 10 cm from the top level. Find the pressure exerted at a depth of 5 cm and 15 cm from the top of the vessel respectively

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

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

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

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46. The inlet length of a venturimeter

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47. 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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48. *The wetted perimeter of a channel is given by

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

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50. Cavitations in flowing fluid occurs when

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