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. Which of the following quantities are dimensionless?

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

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

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

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

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

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7. "Manning's formula is used for

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8. *Viscosity of a liquid

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9. *The atmospheric pressure varies with

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10. The water immediately downstream of the conduit or weir is called

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11. *Surface tension is the force

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

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13. *Water cushion is used to

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

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16. A steady uniform flow is through a

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

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

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19. Mach number is the ratio of inertia force to

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

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21. Reynolds number is the ratio of initial force and

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22. If the Froude number in open channel flow is less than 1.0, the flow is called

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

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24. 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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25. Specific weight of liquid

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26. Hydraulic gradient line and total energy line are

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

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

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29. *1 m head is equivalent to

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

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31. An intensifier is used to increase

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32. *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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33. Water hammer is a phenomenon that occurs

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34. *An ideal flow of a liquid obeys

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35. Cavitations is collapsed by

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36. *Pressure head is given by

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

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38. *The magnitude of capillary rise is more in:

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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. 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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41. A triangular notch is preferred to a rectangular notch because

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42. *Cipolleti weir is a

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

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

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

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46. *Bernoulli's equation assumes that

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47. 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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48. Liquids or fluids

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

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50. 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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