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

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

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3. Open channel flow is

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

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

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6. 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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7. In an open channel flow

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

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9. A steady uniform flow is through a

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

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11. *Stoke is the unit of

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12. To avoid an interruption in the flow of a siphon, the air vessel is provided

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13. Cavitations in flowing fluid occurs when

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

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15. Reynolds number is the ratio of initial force and

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16. *The float method is used to measure

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17. In an inclined position, a venturimeter records

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

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19. *Cipolleti weir is a

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

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21. The viscosity of gases varies with temperature

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22. If the specific gravity of oil is 0.7, then find the density of oil

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23. *The atmospheric pressure varies with

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24. Specific weight of liquid

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25. For the flow of liquid from an open-ended tube (nozzle) leading to the formation of a spray of liquid drops, the number generally is

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

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

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28. *The discharge passing through the crest having a length of 1.25m, a height of the flow of water 0.25m, and Cd = 0.035 is

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29. Weber number is the ratio of inertia force to

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30. The attraction among different particles of the same material is

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

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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. *Rotameter is used for measuring

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34. *A flow is said to be laminar when

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

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

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37. Gauge pressure is

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38. Water hammer is a phenomenon that occurs

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39. For uniform flow in the channel

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40. Hydraulic gradient line and total energy line are

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

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

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43. Liquids

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

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45. *In flow, the liquid particles may possess

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46. *Chazy's formula is given by

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47. If the fluid particles move in straight lines and all the lines are parallel to the surface, the flow is called

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48. The difference in pressure head measured by a mercury-oil differential manometer for a 20 cm difference of mercury level will be (specific gravity of oil-0.8)

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

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50. Mach number is the ratio of inertia force to

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