Hydraulics Online Test - Paper 3 » Expert Quiz Test
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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
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1. *Differential manometers are used to measure

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2. A siphon is used

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

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4. *Pressure head is given by

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

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6. *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

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7. One horsepower is equal to

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8. A substance which deforms continuously under the action of shear stress is called

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

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10. Find the capillary rise/fall in a glass tube when immersed in mercury with the following given data: surface tension, σ = 0.52 gmf/cm, angle of contact, θ = 130°, S.G. of mercury = 13.6, diameter of the pipe = 2.5 mm.

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

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13. *Surface float is used to measure

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14. *The discharge through a rectangular channel is maximum when

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

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16. A ideal fluid

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

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

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19. *To measure atmospheric pressure, we use

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20. A fluid particle may possess the displacement of

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

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22. Gauge pressure is

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23. 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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24. *The hydraulic ram is a pump that works on

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25. The pressure difference between inside and outside of a droplet of water is given by (Where σ is surface tension and d is the diameter of the droplet.)

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26. *A pitot tube is used to measure

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

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

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29. *Head loss increases with

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30. *A stepped notch is a combination of

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

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32. 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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33. *Bernoulli's equation is applied to

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

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

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

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37. *The magnitude of water hammer depends upon

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

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39. The ratio of the mean velocity to the surface velocity in open channels is equal to

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40. "Manning's formula is used for

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41. *Chazy's formula is given by

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

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

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44. 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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45. Mouthpieces are used to measure

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

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47. Chazy's formula is used to determine

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

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

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50. *A flow is said to be laminar when

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