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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. "Maximum efficiency of power transmission through a pipe is

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2. *An ideal flow of a liquid obeys

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

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4. *The hydraulic ram is a device

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5. Hydraulic gradient line and total energy line are

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

7 / 50

7. *The notch angle for the maximum discharge over a triangular notch is

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

10 / 50

10. Water hammer is a phenomenon that occurs

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11. In an inclined position, a venturimeter records

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12. *Barometers are used to measure

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13. Cavitations in flowing fluid occurs when

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14. Which of the following quantities are dimensionless?

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

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16. If fluid or flow parameters at any given instant remain the same at every point in space, it is called:

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

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

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19. The flow in which each liquid particle has a definite path is called

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20. *The hydraulic ram is a pump that works on

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21. In a flowing liquid, a particle may possess

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22. *Surface tension is the force

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

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

26 / 50

26. *Viscosity of a liquid

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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. *Variation in volume of liquid with variation in pressure is called

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29. *Hydraulic gradient is equal to

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30. *A pitot tube is used to measure

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31. *Bernoulli's equation assumes that

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

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33. 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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34. *What affects the quantity of mass of a fluid?

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35. If the Froude number in open channel flow is more than 1.0, the flow is called

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36. *To measure atmospheric pressure, we use

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37. *The main assumption of Bernoulli's equation is

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

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

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40. In an open channel flow

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

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42. The discharge through a V-notch weir is directly proportional to:

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43. 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)

44 / 50

44. From a nozzle exposed to the atmosphere, the liquid jet traverses

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

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46. A vessel having a depth of 30 cm is filled with water up to a depth of 10 cm from the top level. Find the pressure exerted at a depth of 5 cm and 15 cm from the top of the vessel respectively

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47. *1 m head is equivalent to

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48. 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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49. *An independent mass of a fluid does not possess

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50. *In flow, the liquid particles may possess

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