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. In a flowing liquid, a particle may possess

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3. Open channel flow is

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

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5. *Orifice-meter is used to measure:

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6. When the pipes are connected in parallel, the total loss of head

7 / 50

7. "Manning's formula is used for

8 / 50

8. *Rotameter is used for measuring

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9. The ratio of the percentage error in the discharge and the percentage error in the measurement of head over a rectangular notch is

10 / 50

10. *The types of instrument used to measure low pressure with accuracy is

11 / 50

11. *The magnitude of water hammer depends upon

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12. *The atmospheric pressure varies with

13 / 50

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

14 / 50

14. The section of the Jet leaving an orifice, having the minimum cross-section area, is called

15 / 50

15. *Pressure head is given by

16 / 50

16. 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

17 / 50

17. The inlet length of a venturimeter

18 / 50

18. Water belongs to

19 / 50

19. *Total energy line (T.E.L) represents the sum of

20 / 50

20. A rise or fall of liquid in a glass tube of a very small diameter when dipped is

21 / 50

21. Hooke's law for solids is analogous to

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22. *The rate of flow through a V-notch varies as:

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23. Crest of a weir is lower than d/s water level

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

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25. *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

26 / 50

26. Pick up the correct statement from the following

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

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

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29. In the case of a broad-crested weir, the depth of water h at the end of the still is given by

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

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31. *Capillarity of water is

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32. *Variation in volume of liquid with variation in pressure is called

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33. *A flow is said to be laminar when

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34. 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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35. *Barometers are used to measure

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

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

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38. Rotation is defined as the movement of a fluid element in such a way that both of its axes rotate in...

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39. *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

40 / 50

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

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41. 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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42. The most efficient channel section is

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

44 / 50

44. The pressure less than atmospheric pressure is known as

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45. *If the velocity, pressure, density, etc., do not change at a point with respect to time, the flow is called

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

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47. *A stepped notch is a combination of

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

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

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

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