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. Head loss due to friction in a pipe is given by the Darcy-Weisbach equation

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

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4. In fluids, steady flow occurs when

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5. The Manning's formula for flow in an open channel is given by

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6. *Uniform flow is said to occur when

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7. Weber number is the ratio of inertia force to

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8. Euler's number is the ratio of

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

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10. Flow in pipes is turbulent if the Reynolds number is

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11. Cavitations in flowing fluid occurs when

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

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

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

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15. A fluid particle may possess the displacement of

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16. *Hydraulic gradient line (H.G.L.) represents the sum of

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

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

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20. *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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21. *Chazy's formula is given by

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22. *Orifice-meter is used to measure:

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

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24. In a venturimeter, the divergent cone is kept

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

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

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27. If the fluid particles move in a zig-zag way, the flow is called

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28. 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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29. When the fluid is at rest, the shear stress is

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

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31. *Piezometers are used to measure

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

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33. *Hydraulic gradient is equal to

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

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35. *Manometers are used to measure

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36. *Pascal's law states that pressure at a point is equal in all directions

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37. The viscosity of liquids varies with temperature

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38. Super-critical flow occurs in

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

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40. *Barometers are used to measure

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41. A siphon is used

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

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43. *A flow is said to be laminar when

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44. Poise is the unit of

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45. 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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46. Which of the following is the example of laminar flow?

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

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48. Hooke's law for solids is analogous to

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

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50. The discharge through a V-notch weir is directly proportional to:

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