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

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

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3. The hydrostatic force exerted by 2 m deep water on the gate downstream is equal to

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4. A rise or fall of liquid in a glass tube of a very small diameter when dipped is

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

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6. *Losses are more in

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7. In fluids, steady flow occurs when

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8. For any channel section, the specific energy increase with

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

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10. *Viscosity of a liquid

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11. *The equation of continuity of fluids is applicable only if

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

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13. The flow in which each liquid particle has a definite path is called

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14. *The orifice used for low discharge is

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

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

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17. In an inclined pipe, the pressure difference at its two ends is due to

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18. *The magnitude of water hammer depends upon

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

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20. If the Froude number in open channel flow is more than 1.0, the flow is called

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21. In an open channel flow

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22. For the flow of liquid from an open-ended tube (nozzle) leading to the formation of a spray of liquid drops, the number generally is

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

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24. The term z is known as

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25. *The float method is used to measure

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26. *Hydraulic gradient is equal to

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27. *The hydraulic radius is equal to

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

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

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30. *Barometers are used to measure

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31. The most efficient channel section is

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32. *The flow in which the path of individual particles of liquid cross each other is called

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33. *The term v^2/2g is known as

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

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

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36. The depth of flow after the hydraulic jump is

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

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

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40. 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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41. 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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42. "Maximum efficiency of power transmission through a pipe is

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

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44. *A stepped notch is a combination of

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

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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. The pressure less than atmospheric pressure is known as

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

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50. Reynolds number is the ratio of initial force and

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