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

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2. *Uniform flow is said to occur when

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3. Liquids or fluids

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

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

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6. *A pitot tube is used to measure

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7. In an open channel flow

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8. Mouthpieces are used to measure

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

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10. *Water cushion is used to

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11. Falling drops of water become spheres due to

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

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

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

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16. *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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17. The error 1% in measuring H will produce a

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18. The section of the Jet leaving an orifice, having the minimum cross-section area, is called

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19. *Cipolleti weir is a

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20. *The pressure in pipe flow is normally

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21. If H is the height of the liquid above the sill, the effect of end contraction on each side, according to Francis' formula, is

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22. With a clinging nappe of a weir, the excess discharge is

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23. At the vena contracta, the jet has the minimum cross-sectional area, and so the velocity of the liquid at this section will be

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

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25. *Hydraulic gradient line (except siphon)

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26. *If the volume of liquid weighing 3000 kg is 4 cubic meters, then the specific gravity is

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27. The most efficient channel section is

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28. *Bernoulli's equation assumes that

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29. *The float method is used to measure

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

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31. In an open channels the analysis of a sugar is done by using

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32. For a long pipe, the head loss

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33. *Bernoulli's equation is applied to

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

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35. Cavitations is collapsed by

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

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

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38. Pick up the correct statement from the following

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39. As per our convenience which one is correct with respect to the dimensionless number?

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40. If the fluid particles move in a zig-zag way, the flow is called

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

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42. The viscosity of liquids varies with temperature

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43. *A stepped notch is a combination of

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44. *Venturimeter is used to measure

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45. The capillary rise or fall of the liquid is given by

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46. Specific energy of a flowing fluid per unit weight is equal to

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

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48. *Piezometers are used to measure

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

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50. Hooke's law for solids is analogous to

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