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%
  • Randomization: Yes
  • Certificate: Yes
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1. Water hammer is a phenomenon that occurs

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2. For the flow of liquid from an open-ended tube (nozzle) leading to the formation of a spray of liquid drops, the number generally is

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3. In an open channel flow

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4. To avoid an interruption in the flow of a siphon, the air vessel is provided

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5. *The hydraulic radius is equal to

6 / 50

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

7 / 50

7. *Head loss increases with

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

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

10 / 50

10. When the pipes are connected in parallel, the total loss of head

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

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13. Chazy's formula is used to determine

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14. The viscosity of liquids varies with temperature

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

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16. Poise is the unit of

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17. The pressure less than atmospheric pressure is known as

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18. The ratio of the mean velocity to the surface velocity in open channels is equal to

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19. *Pressure within a soap bubble is

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20. *Pressure head is given by

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21. Weber number is the ratio of inertia force to

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22. *Orifice-meter is used to measure:

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23. *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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24. *The float method is used to measure

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25. A siphon is an

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26. *Molecules of fluids get attracted due to

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27. 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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28. Open channel flow is

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29. *Stoke is the unit of

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30. *Rotameter is used for measuring

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31. The inlet length of a venturimeter

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32. *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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33. Liquids or fluids

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

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35. The total energy of a liquid in motion is equal to:

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36. 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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37. For uniform flow in the channel

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

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39. 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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40. *The main assumption of Bernoulli's equation is

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41. *Hydraulic gradient line (H.G.L.) represents the sum of

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

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

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44. The most efficient channel section is

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45. *Which of the following statements is valid?

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

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47. *If the velocity of fluid particles varies from point to point in magnitude and direction, as well as from instant to instant, the flow is said to be

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

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49. Specific weight of liquid

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50. 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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