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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. *Uniform flow is said to occur when

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2. *If the velocity in a fluid flow does not change with respect to the length of the direction of flow, it is called

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

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

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5. A siphon is an

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6. *The float method is used to measure

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7. Liquids or fluids

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

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9. Total pressure on the top of a closed cylindrical vessel completely filled with liquid is directly proportional to

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10. With a clinging nappe of a weir, the excess discharge is

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11. Poise is the unit of

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

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

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

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15. 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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16. *Head loss increases with

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17. 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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18. Flow in pipes is turbulent if the Reynolds number is

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

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

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

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22. Hydraulic gradient line and total energy line are

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23. *Cavitations is caused by

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24. Total head of a particle in motion is the sum of

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25. *The atmospheric pressure varies with

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26. Water hammer is a phenomenon that occurs

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

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28. *Capillary rise is proportional to

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

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

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

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32. If the total head of the nozzle of a pipe is 37.5m and the discharge is 1 cubic meter per second, then the power generated is

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

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

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35. *A pitot tube is used to measure

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

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37. The pressure less than atmospheric pressure is known as

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38. A steady uniform flow is through a

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

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40. An intensifier is used to increase

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41. The ratio of the percentage error in the discharge and the percentage error in the measurement of head over a rectangular notch is

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

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

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44. *To measure atmospheric pressure, we use

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

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47. "Manning's formula is used for

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48. *The pressure in pipe flow is normally

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49. *1 m head is equivalent to

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50. The term P/pg is known as

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