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

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

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3. 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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4. A fluid particle may possess the displacement of

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

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6. In an inclined pipe, the pressure difference at its two ends is due to

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7. *Capillarity of water is

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8. *If the velocity of fluid particles varies from point to point in magnitude and direction, as well as from instant to instant, the flow is said to be

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9. *Differential manometers are used to measure

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

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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. For a long pipe, the head loss

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

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14. An oil of specific gravity 0.7 and pressure 0.14 kgf/cm^2 will have the height of oil as

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

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

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17. If S is the height of the crest above the base of the channel and H is the head of water over the weir, whose length is L and discharge is Q m^3/sec, the velocity of approach Va is

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18. *Stoke is the unit of

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19. *Manometers are used to measure

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20. *The float method is used to measure

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

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22. Water hammer is a phenomenon that occurs

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23. When the pipes are connected in series, the total rate of flow

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24. The phenomenon of rising of a liquid surface in a tube of small diameter relative to the adjacent normal level of the liquid is known as

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25. The term z is known as

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26. *The upper surface of the weir over which water flows is known as

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27. 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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28. The term P/pg is known as

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29. *Water cushion is used to

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30. A siphon is used

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

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

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

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34. *If the velocity in a fluid flow does not change with respect to the length of the direction of flow, it is called

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35. 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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36. *If the volume of a liquid weighing 2400 kg is 3 cubic meters, then 0.8 is its:

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

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38. Mouthpieces are used to measure

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39. The viscosity of gases varies with temperature

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40. *In flow, the liquid particles may possess

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

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

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

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45. Chazy's formula is used to determine

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46. *The discharge through a trapezoidal channel is maximum when

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47. *The term v^2/2g is known as

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48. *Surface float is used to measure

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

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