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

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2. *The main assumption of Bernoulli's equation is

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

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

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5. Discharge over an ogee weir remains the same as that of

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6. *If the volume of liquid weighing 3000 kg is 4 cubic meters, then the specific gravity is

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7. A ideal fluid

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

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9. In the case of a broad-crested weir, the depth of water h at the end of the still is given by

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

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11. 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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12. *The floating method is used for the measurement of

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13. In fluids, steady flow occurs when

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14. *Stoke is the unit of

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

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

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

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

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

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

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21. *A flow is said to be laminar when

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22. Liquids or fluids

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

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

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

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26. Hydraulic gradient line and total energy line are

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27. If the pressure is applied to the surface of a liquid, the liquid transmits the pressure equally in all directions is given by

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

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29. Hooke's law for solids is analogous to

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30. The pressure less than atmospheric pressure is known as

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

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

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33. With a clinging nappe of a weir, the excess discharge is

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34. The pressure difference between inside and outside of a droplet of water is given by (Where σ is surface tension and d is the diameter of the droplet.)

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

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

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

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38. *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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39. *Differential manometers are used to measure

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

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41. The maximum velocity in an open channel occurs

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

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43. 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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44. The viscosity of gases varies with temperature

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45. *Viscosity of a liquid

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

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48. Open channel flow is

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49. *The imaginary line joining each head of water is called

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

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