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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. The pressure less than atmospheric pressure is known as

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

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

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4. *Pressure within a soap bubble is

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

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6. If the pressure is applied to the surface of a liquid, the liquid transmits the pressure equally in all directions is given by

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7. *Bernoulli's equation is applied to

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

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9. *Head loss increases with

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

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

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12. *The atmospheric pressure varies with

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

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14. The viscosity of liquids varies with temperature

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15. Practical fluids possess

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16. In an open channel flow

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17. In a flowing liquid, a particle may possess

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18. *Chazy's formula is given by

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19. The maximum velocity in an open channel occurs

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

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21. Hydraulic gradient line and total energy line are

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22. Critical depth (he) is given by (where q= rate of flow per unit width of channel)

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23. *The orifice used for low discharge is

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24. *Differential manometers are used to measure

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25. *Variation in volume of liquid with variation in pressure is called

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26. For a long pipe, the head loss

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

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28. Rotation is defined as the movement of a fluid element in such a way that both of its axes rotate in...

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29. Cavitations is collapsed by

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30. *Stoke is the unit of

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

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33. The depth of flow at which the specific energy is minimum is called

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34. If the total head of the nozzle of a pipe is 37.5m and the discharge is 1 cubic meter per second, then the power generated is

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35. *The notch angle for the maximum discharge over a triangular notch is

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

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38. *Surface tension is the force

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39. The viscosity of gases varies with temperature

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40. Falling drops of water become spheres due to

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41. Gauge pressure is

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42. For the laminar flow through a circular pipe, the maximum velocity is

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43. *Losses are more in

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44. *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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45. A substance which deforms continuously under the action of shear stress is called

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

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47. Weber number is the ratio of inertia force to

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48. *The main assumption of Bernoulli's equation is

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49. Mach number is the ratio of inertia force to

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

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