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
  • Certificate: Yes
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1. 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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2. Flow in pipes is turbulent if the Reynolds number is

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

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4. The depth of flow after the hydraulic jump is

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

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

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

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8. An intensifier is used to increase

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9. Water hammer is a phenomenon that occurs

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10. Velocity of flow may be determined using:

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11. *Bernoulli's theorem deals with the law of conservation of

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12. *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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13. *An independent mass of a fluid does not possess

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14. *Molecules of fluids get attracted due to

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15. A ideal fluid

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16. Liquids or fluids

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17. *The rise of the water table, which takes place due to the transformation of the unstable shooting flow (super-critical) to the stable streaming is called

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

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19. *Losses are more in

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

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

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22. *The energy possessed by a fluid by virtue of its existing pressure is called

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

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

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26. In an inclined position, a venturimeter records

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

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28. *1 m head is equivalent to

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29. 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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30. The term z is known as

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31. *In flow, the liquid particles may possess

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32. *Pressure head is given by

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33. "Manning's formula is used for

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34. *The pressure in pipe flow is normally

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35. Liquids

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36. For the same specific force, the two depths at which the same discharge occurs are called

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37. *The difference between the total energy gradient line and the total energy line is

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

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39. *If the velocity, pressure, density, etc., do not change at a point with respect to time, the flow is called

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40. Mouthpieces are used to measure

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

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42. From a nozzle exposed to the atmosphere, the liquid jet traverses

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43. *Head loss increases with

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44. The ratio of the inertia and gravitational force acting in any flow, ignoring other forces, is called

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45. Specific weight of sea water is more than that of pure water because of

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46. *If the velocity of fluid particles varies from point to point in magnitude and direction, as well as from instant to instant, the flow is said to be

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47. The difference in pressure head measured by a mercury-oil differential manometer for a 20 cm difference of mercury level will be (specific gravity of oil-0.8)

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

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49. *Bernoulli's equation assumes that

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50. *Manometers are used to measure

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