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

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2. Open channel flow is

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3. The imaginary line drawn such that the tangents at its all points indicate the direction of the velocity of the fluid particle at each point is called

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4. In an open tube, the free surface of mercury remains

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5. Euler's number is the ratio of

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6. Reynolds number is the ratio of initial force and

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7. Practical fluids possess

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8. *The hydraulic ram is a device

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

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

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11. *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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12. Hydrostatic pressure on a dam depends upon its

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

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14. Head loss due to friction in a pipe is given by the Darcy-Weisbach equation

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

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16. *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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17. "Maximum efficiency of power transmission through a pipe is

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18. *Bernoulli's equation is applied to

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19. In an open channel flow

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20. The ratio of the percentage error in the discharge and the percentage error in the measurement of head over a rectangular notch is

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21. *The float method is used to measure

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22. 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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23. To ensure that water does not rise more than 100 cm above the crest, for a discharge of 5.00 m^3/sec, the length of the weir will be (Cd = 0.62)

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24. 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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25. Super-critical flow occurs in

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

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27. *Capillarity of water is

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28. In an open channel flow

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29. 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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30. Specific weight of liquid

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31. *To measure atmospheric pressure, we use

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32. *An independent mass of a fluid does not possess

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33. Hydraulic gradient line and total energy line are

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34. *If the velocity, pressure, density, etc., change at a point with respect to time, the flow is called

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

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

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37. 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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38. *The types of instrument used to measure low pressure with accuracy is

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39. The inlet length of a venturimeter

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40. The minimum head loss will occur in

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41. 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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42. Cavitations in flowing fluid occurs when

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43. The viscosity of liquids varies with temperature

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

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45. 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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46. The term z is known as

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47. For uniform flow in the channel

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48. *A stepped notch is a combination of

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

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

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