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. A steady uniform flow is through a

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

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3. 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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4. 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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5. Water belongs to

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

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

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

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10. Which of the following quantities are dimensionless?

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

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12. Practical fluids possess

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13. *Capillarity of water is

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

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15. Mass density of liquid (p) is given by

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16. 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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17. *Venturimeter is used to measure

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18. The inlet length of a venturimeter

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19. The upward water pressure at the base of the structure is called

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20. In an open channels the analysis of a sugar is done by using

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21. 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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22. *Manometers are used to measure

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23. *To measure very low pressure, we use:

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24. Hydraulic gradient line and total energy line are

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25. *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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26. *The magnitude of capillary rise is more in:

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27. In fluids, steady flow occurs when

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28. The thickness of a sharp-crested weir is kept less than

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

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

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

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

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33. An intensifier is used to increase

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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. If H is the height of the liquid above the sill, the effect of end contraction on each side, according to Francis' formula, is

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

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

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38. Liquids or fluids

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39. If the volume of a liquid weighing 3000 kg is 4 cubic meters, then 0.75 is its

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

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41. Find the capillary rise/fall in a glass tube when immersed in mercury with the following given data: surface tension, σ = 0.52 gmf/cm, angle of contact, θ = 130°, S.G. of mercury = 13.6, diameter of the pipe = 2.5 mm.

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

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43. *An ideal flow of a liquid obeys

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44. In the case of vortex flow, the level of water at the center is

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

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46. *The discharge passing through the crest having a length of 1.25m, a height of the flow of water 0.25m, and Cd = 0.035 is

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47. For a long pipe, the head loss

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48. 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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49. The continuity equation

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

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