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%
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1. *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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2. If the specific gravity of oil is 0.7, then find the density of oil

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

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4. The term z is known as

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

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6. *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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7. The flow in which each liquid particle has a definite path is called

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8. Gauge pressure is

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

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

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

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12. 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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13. The viscosity of liquids varies with temperature

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14. If the volume of a liquid weighing 3000 kg is 4 cubic meters, then 0.75 is its

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

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16. *Venturimeter is used to measure

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

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

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19. When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as:

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20. *Hydraulic gradient line (except siphon)

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

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

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

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

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26. If the fluid particles move in straight lines and all the lines are parallel to the surface, the flow is called

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27. The most efficient channel section is

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28. The numerical value of vorticity is.....of the rotation

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29. Find the capillary rise/fall in a glass tube when immersed in mercury with the following given data: surface tension, σ = 0.52 gmf/cm, angle of contact, θ = 130°, S.G. of mercury = 13.6, diameter of the pipe = 2.5 mm.

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30. 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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31. 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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32. In an open channels the analysis of a sugar is done by using

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33. The discharge through a V-notch weir is directly proportional to:

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34. *Cavitations is caused by

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35. *Capillarity of water is

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36. If the forces are due to inertia and gravity, and frictional resistance plays only a minor role, the design of channels is made by comparing

37 / 50

37. Hooke's law for solids is analogous to

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38. An intensifier is used to increase

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39. *The width of a weir with end contraction is

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40. *Surface tension is the force

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

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

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43. *Total energy line (T.E.L) represents the sum of

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44. For uniform flow in the channel

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

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

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47. *The float method is used to measure

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48. *Losses are more in

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49. *Pressure head is given by

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50. Practical fluids possess

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