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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. *Venturimeter is used to measure

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

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

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4. If the velocity in a fluid flow changes with respect to the length of the direction of the flow, it is called

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5. In a flowing liquid, a particle may possess

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6. *Capillary rise is proportional to

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

8 / 50

8. Cavitations is collapsed by

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9. A siphon is used

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10. Velocity of flow may be determined using:

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11. The section of the Jet leaving an orifice, having the minimum cross-section area, is called

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12. In fluids, steady flow occurs when

13 / 50

13. The maximum velocity in an open channel occurs

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

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15. *Bernoulli's equation assumes that

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16. A fluid particle may possess the displacement of

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

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

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19. The error 1% in measuring H will produce a

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20. 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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21. The most efficient channel section is

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22. *The pressure in pipe flow is normally

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

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

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25. The minimum head loss will occur in

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26. *Cipolleti weir is a

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27. The difference in pressure head measured by a mercury-oil differential manometer for a 20 cm difference of mercury level will be (specific gravity of oil-0.8)

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

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29. A ideal fluid

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30. *Bernoulli's equation is applied to

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

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32. *Surface float is used to measure

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

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

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35. If the fluid particles move in straight lines and all the lines are parallel to the surface, the flow is called

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

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37. *The atmospheric pressure varies with

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38. *Cipolletti weir is a trapezoidal weir having a side slope of

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39. *The continuity equation deals with the law of conservation of

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

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41. An intensifier is used to increase

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

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43. For a long pipe, the head loss

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44. In an open channel flow

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45. Reynolds number is the ratio of initial force and

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46. If the fluid particles move in a zig-zag way, the flow is called

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

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48. The term z is known as

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

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

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