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. *The atmospheric pressure varies with

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2. The most efficient channel section is

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3. *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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4. *Pressure head is given by

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

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

7 / 50

7. *Pressure within a soap bubble is

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8. Total head of a particle in motion is the sum of

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

10 / 50

10. At the vena contracta, the jet has the minimum cross-sectional area, and so the velocity of the liquid at this section will be

11 / 50

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

12 / 50

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

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

14 / 50

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

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15. *The imaginary line joining each head of water is called

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16. *The floating method is used for the measurement of

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17. Cavitations is collapsed by

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18. Euler's number is the ratio of

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19. *In flow, the liquid particles may possess

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20. The minimum head loss will occur in

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21. *A pitot tube is used to measure

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

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23. If the pressure is applied to the surface of a liquid, the liquid transmits the pressure equally in all directions is given by

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24. 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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25. A ideal fluid

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26. 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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27. *Cipolletti weir is a trapezoidal weir having a side slope of

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

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29. *Capillary rise is proportional to

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

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

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

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33. The most economical section of a circular channel for the maximum discharge is when

34 / 50

34. The term P/pg is known as

35 / 50

35. *Which of the following statements is valid?

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36. Water hammer is a phenomenon that occurs

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37. Open channel flow is

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

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

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40. 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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41. 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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42. If the Froude number in open channel flow is more than 1.0, the flow is called

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

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44. Water belongs to

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45. Velocity of flow may be determined using:

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46. 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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47. For any channel section, the specific energy increase with

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48. For a long pipe, the head loss

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49. The continuity equation

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50. *Orifice-meter is used to measure:

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