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

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3. *Venturimeter is used to measure

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

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5. *The most economical section of a circular channel for the maximum velocity is when

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6. 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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7. The numerical value of vorticity is.....of the rotation

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

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

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10. Specific energy of a flowing fluid per unit weight is equal to

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11. Critical depth (he) is given by (where q= rate of flow per unit width of channel)

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12. *Pressure head is given by

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

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

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

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

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17. Euler's number is the ratio of

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18. 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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19. Which of the following has the highest coefficient of discharge:

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20. *If a pitot tube is placed with its nose facing sideways, the liquid

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21. *The hydraulic ram is a device

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

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23. At the vena contracta, the jet has the minimum cross-sectional area, and so the velocity of the liquid at this section will be

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24. Falling drops of water become spheres due to

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25. Hooke's law for solids is analogous to

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26. In a venturimeter, the divergent cone is kept

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

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

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29. An intensifier is used to increase

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

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31. *If a pitot tube is placed with its nose facing downstream, the liquid

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

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

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34. 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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35. In an inclined position, a venturimeter records

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36. The two depths at which the specific energy is the same are called

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37. "Manning's formula is used for

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

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39. The continuity equation

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40. Which of the following is the example of laminar flow?

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

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

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

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44. *The pressure in pipe flow is normally

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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. *Bernoulli's equation assumes that

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47. *The rate of flow through a venturimeter varies as

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48. *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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49. Velocity of flow may be determined using:

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

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