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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. *1 m head is equivalent to

2 / 50

2. *Water cushion is used to

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

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4. 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

5 / 50

5. The viscosity of liquids varies with temperature

6 / 50

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

7 / 50

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

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8. Euler's number is the ratio of

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

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10. A fluid particle may possess the displacement of

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11. *Back water curve is caused if there is a

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

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

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

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

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17. *Orifice-meter is used to measure:

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18. In fluids, steady flow occurs when

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19. The profile of rising water on the upstream side of the dam is called

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20. *The energy possessed by a fluid by virtue of its existing pressure is called

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

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

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23. *The hydraulic ram is a device

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24. *Hydraulic gradient line (except siphon)

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25. For uniform flow in the channel

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26. *In flow, the liquid particles may possess

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27. *Stoke is the unit of

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

29 / 50

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

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30. *To measure atmospheric pressure, we use

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

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32. *Bernoulli's equation is applied to

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

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34. *The specific weight of water 1000 kg/m^3

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35. In the case of leveling by a level pipe, the level is indicated by

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

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

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

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

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40. *The rise of the water table, which takes place due to the transformation of the unstable shooting flow (super-critical) to the stable streaming is called

41 / 50

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

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42. *Viscosity of a liquid

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43. "Manning's formula is used for

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44. Poise is the unit of

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45. The term P/pg is known as

46 / 50

46. *Rotameter is used for measuring

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47. In an inclined position, a venturimeter records

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48. Velocity of flow may be determined using:

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49. Hydrostatic pressure on a dam depends upon its

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50. 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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