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
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1. *The discharge through a trapezoidal channel is maximum when

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2. For a circular channel, the wetted perimeter is given by (where θ=half the angle subtended by the water at the center and R= radius of circular channel)

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3. *The upper surface of the notch over which water flows is known as

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4. Chazy's formula is used to determine

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

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

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7. 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

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8. In a flowing liquid, a particle may possess

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9. Hydrostatic pressure on a dam depends upon its

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

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11. *Uniform flow is said to occur when

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12. *Differential manometers are used to measure

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13. *If a pitot tube is placed with its nose facing sideways, the liquid

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14. The depth of flow after the hydraulic jump is

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15. *The actual velocity through an orifice is........... than the theoretical velocity.

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16. *Pascal's law states that pressure at a point is equal in all directions

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17. *The upper surface of the weir over which water flows is known as:

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18. *The wetted perimeter of a channel is given by

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

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

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21. *Hydraulic gradient line (H.G.L.) represents the sum of

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

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23. The viscosity of liquids varies with temperature

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24. 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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25. *What affects the quantity of mass of a fluid?

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26. If the density of a fluid is constant from point to point in a flow region, it is called

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

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28. Water belongs to

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29. The continuity equation

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30. A fluid particle may possess the displacement of

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31. ........ is defined as the maximum increase in water level in the path of the flow of water

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

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33. Which of the following quantities are dimensionless?

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34. *Bernoulli's equation assumes that

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35. *Water cushion is used to

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

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37. *Molecules of fluids get attracted due to

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

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

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41. If the specific gravity of oil is 0.7, then find the density of oil

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42. The most efficient channel section is

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43. For a long pipe, the head loss

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44. 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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45. *Pressure within a soap bubble is

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46. *The continuity equation deals with the law of conservation of

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

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49. The profile of rising water on the upstream side of the dam is called

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50. 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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