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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. *Cipolletti weir is a trapezoidal weir having a side slope of

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2. Pick up the correct statement from the following

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

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4. A siphon is used

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

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6. *Viscosity of a liquid

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

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8. *Losses are more in

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

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10. *Molecules of fluids get attracted due to

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

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12. *Pressure within a soap bubble is

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13. The most economical section of a circular channel for the maximum discharge is when

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14. 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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15. The attraction among different particles of the same material is

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16. *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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17. A steady uniform flow is through a

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18. 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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19. One horsepower is equal to

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20. *The floating method is used for the measurement of

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21. For uniform flow in the channel

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22. *Which of the following statements is valid?

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23. *Bernoulli's equation is applied to

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24. *In flow, the liquid particles may possess

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25. "Manning's formula is used for

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26. If S is the height of the crest above the base of the channel and H is the head of water over the weir, whose length is L and discharge is Q m^3/sec, the velocity of approach Va is

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27. *Capillarity of water is

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

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29. The depth of flow after the hydraulic jump is

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30. 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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31. *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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32. In fluids, steady flow occurs when

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

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34. *Venturimeter is used to measure

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35. *The orifice used for low discharge is

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

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37. An intensifier is used to increase

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38. The term P/pg is known as

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39. In the case of vortex flow, the level of water at the center is

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

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

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42. Hydraulic gradient line and total energy line are

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43. The upward water pressure at the base of the structure is called

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44. *The float method is used to measure

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45. For a long pipe, the head loss

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

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47. Liquids or fluids

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48. Open channel flow is

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49. "Maximum efficiency of power transmission through a pipe is

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

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