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 depth of flow after the hydraulic jump 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. 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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4. If fluid or flow parameters at any given instant remain the same at every point in space, it is called:

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5. *Stoke is the unit of

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6. For a long pipe, the head loss

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

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

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

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10. *Surface tension is the force

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11. The multiplying factor for converting one poise into MKS unit of dynamic viscosity is

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12. The maximum velocity in an open channel occurs

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13. *Piezometers are used to measure

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

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

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

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17. Water hammer is a phenomenon that occurs

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

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

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

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21. The most economical section of a circular channel for the maximum discharge is when

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22. *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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23. *Head loss increases with

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24. The inlet length of a venturimeter

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

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26. Euler's number is the ratio of

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27. A steady uniform flow is through a

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28. The capillary rise or fall of the liquid is given by

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29. The basic head loss in a long pipe is:

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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. *Which of the following statements is valid?

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

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33. 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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34. *The types of instrument used to measure low pressure with accuracy is

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35. A substance which deforms continuously under the action of shear stress is called

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36. 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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37. *The equation of continuity of fluids is applicable only if

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38. Flow in pipes is turbulent if the Reynolds number is

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39. A fluid particle may possess the displacement of

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

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41. Which of the following has the highest coefficient of discharge:

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42. *Capillarity of water is

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43. *If the volume of a liquid weighing 2400 kg is 3 cubic meters, then 0.8 is its:

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44. *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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45. Specific weight of liquid

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46. *The hydraulic radius is equal to

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

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

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49. The term P/pg is known as

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50. *Cipolleti weir is a

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