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. Gauge pressure is

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3. The difference in pressure head measured by a mercury-oil differential manometer for a 20 cm difference of mercury level will be (specific gravity of oil-0.8)

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

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

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

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8. *To measure very low pressure, we use:

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9. Which of the following quantities are dimensionless?

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10. 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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11. Crest of a weir is lower than d/s water level

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12. Liquids or fluids

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13. *Back water curve is caused if there is a

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

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15. For a long pipe, the head loss

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

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17. The minimum head loss will occur in

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

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19. *Barometers are used to measure

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20. *Hydraulic gradient line (except siphon)

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21. *Piezometers are used to measure

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

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23. *Head loss increases with

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

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25. To ensure that water does not rise more than 100 cm above the crest, for a discharge of 5.00 m^3/sec, the length of the weir will be (Cd = 0.62)

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26. The depth of flow after the hydraulic jump is

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

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28. *The float method is used to measure

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

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30. *Orifice-meter is used to measure:

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

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

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33. *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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34. Liquids

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

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36. Specific weight of liquid

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

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38. *Venturimeter is used to measure

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

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

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41. *Stoke is the unit of

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

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43. *An orifice is called a large orifice if the water head is

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

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45. *The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at its centroid if

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46. *In flow, the liquid particles may possess

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47. Super-critical flow occurs in

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48. The basic head loss in a long pipe is:

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49. The continuity equation

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

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