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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. The head of water representing in the case of HGL line is known as

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2. Velocity of flow may be determined using:

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3. *Pressure within a soap bubble is

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4. *Molecules of fluids get attracted due to

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5. The term z is known as

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6. Water belongs to

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7. As per our convenience which one is correct with respect to the dimensionless number?

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

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9. In the case of a broad-crested weir, the depth of water h at the end of the still is given by

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10. Liquids or fluids

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

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

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13. For a long pipe, the head loss

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14. *Surface float is used to measure

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15. The term P/pg is known as

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

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17. *To measure atmospheric pressure, we use

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18. An oil of specific gravity 0.7 and pressure 0.14 kgf/cm^2 will have the height of oil as

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

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

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21. Hydraulic gradient line and total energy line are

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22. The depth of flow at which the specific energy is minimum is called

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23. *Rotameter is used for measuring

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24. *An orifice is called a large orifice if the water head is

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25. "Maximum efficiency of power transmission through a pipe is

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26. A triangular notch is preferred to a rectangular notch because

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

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

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

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30. Cavitations is collapsed by

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31. *A flow is said to be laminar when

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

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33. In an open channel flow

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34. Which of the following quantities are dimensionless?

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35. Cavitations in flowing fluid occurs when

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36. Euler's number is the ratio of

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37. The viscosity of liquids varies with temperature

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38. *A pitot tube is used to measure

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39. In an inclined position, a venturimeter records

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40. Open channel flow is

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

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42. *The magnitude of capillary rise is more in:

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43. *The atmospheric pressure varies with

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

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

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46. *The float method is used to measure

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47. Pick up the correct statement from the following

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48. *The imaginary line joining each head of water is called

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49. Falling drops of water become spheres due to

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50. *Losses are more in

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