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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 specific weight of water 1000 kg/m^3

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

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

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

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

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6. Specific weight of sea water is more than that of pure water because of

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

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8. *Differential manometers are used to measure

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9. When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as:

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10. Pick up the correct statement from the following

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11. *The hydraulic ram is a device

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12. 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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13. For a circular channel, the wetted perimeter is given by (where θ=half the angle subtended by the water at the center and R= radius of circular channel)

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

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15. Poise is the unit of

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

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18. *Head loss increases with

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

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20. Euler's number is the ratio of

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21. Reynolds number is the ratio of initial force and

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22. The hydrostatic force exerted by 2 m deep water on the gate downstream is equal to

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

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24. 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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25. *The discharge through a trapezoidal channel is maximum when

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26. The term z is known as

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27. *If the velocity, pressure, density, etc., change at a point with respect to time, the flow is called

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

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29. *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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30. When the pipes are connected in series, the total rate of flow

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

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

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

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34. A steady uniform flow is through a

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35. Hydraulic gradient line and total energy line are

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36. *Capillarity of water is

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37. A fluid particle may possess the displacement of

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38. The water immediately downstream of the conduit or weir is called

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39. In a flowing liquid, a particle may possess

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40. In fluids, steady flow occurs when

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

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43. *The condition for the maximum velocity and discharge is given by (closed flow)

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44. *Molecules of fluids get attracted due to

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45. Velocity of flow may be determined using:

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46. *Which of the following statements is valid?

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47. The continuity equation

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48. 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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49. An intensifier is used to increase

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50. 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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