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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. Water hammer is a phenomenon that occurs

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2. The term z is known as

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3. *Differential manometers are used to measure

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

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

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

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

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8. The maximum velocity in an open channel occurs

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

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

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11. *An ideal flow of a liquid obeys

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12. *The atmospheric pressure varies with

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

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14. Which of the following is the example of laminar flow?

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15. *Capillary rise is proportional to

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16. *The hydraulic ram is a pump that works on

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

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18. The hydrostatic force exerted by 2 m deep water on the gate downstream is equal to

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

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20. *Cipolleti weir is a

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21. *Orifice-meter is used to measure:

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22. The inlet length of a venturimeter

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23. *Pressure within a soap bubble is

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24. *The orifice used for low discharge is

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25. *Hydraulic gradient line (except siphon)

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26. The pressure less than atmospheric pressure is known as

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27. Chazy's formula is used to determine

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28. *The magnitude of capillary rise is more in:

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29. 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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30. The viscosity of gases varies with temperature

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31. *The rate of flow through a V-notch varies as:

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32. *Cavitations is caused by

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

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

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35. *Uniform flow is said to occur when

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36. Velocity of flow may be determined using:

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37. *What affects the quantity of mass of a fluid?

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38. 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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39. When the fluid is at rest, the shear stress is

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40. *The condition for the maximum velocity and discharge is given by (closed flow)

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

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42. A siphon is used

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43. The thickness of a sharp-crested weir is kept less than

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44. *To measure atmospheric pressure, we use

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45. Super-critical flow occurs in

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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. In the case of a broad-crested weir, the depth of water h at the end of the still is given by

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48. *Hydraulic gradient is equal to

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49. Poise is the unit of

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

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