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

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2. The basic head loss in a long pipe is:

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3. For the laminar flow through a circular pipe, the maximum velocity is

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4. Hydrostatic pressure on a dam depends upon its

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

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

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7. *Venturimeter is used to measure

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8. An intensifier is used to increase

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

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

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12. *The actual velocity through an orifice is........... than the theoretical velocity.

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

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

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15. The term P/pg is known as

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16. The line joining the points to which the liquid rises in vertical piezometer tubes fitted at different cross-sections of a conduit is known as

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

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18. *The width of a weir with end contraction is

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19. In a flowing liquid, a particle may possess

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

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21. *The pressure in pipe flow is normally

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22. In an open channel flow

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

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

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25. A ideal fluid

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26. Hooke's law for solids is analogous to

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27. A rise or fall of liquid in a glass tube of a very small diameter when dipped is

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

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29. *What affects the quantity of mass of a fluid?

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

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31. Mouthpieces are used to measure

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

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33. The most economical section of a circular channel for the maximum discharge is when

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34. The depth of flow after the hydraulic jump is

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35. The thickness of a sharp-crested weir is kept less than

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

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

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

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

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

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

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43. Hydraulic gradient line and total energy line are

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44. *Orifice-meter is used to measure:

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45. *Capillarity of water is

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

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47. The viscosity of gases varies with temperature

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48. *The wetted perimeter of a channel is given by

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49. *If the volume of liquid weighing 3000 kg is 4 cubic meters, then the specific gravity is

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

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