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. Poise is the unit of

2 / 50

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

3 / 50

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

4 / 50

4. For a long pipe, the head loss

5 / 50

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

6 / 50

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

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

8 / 50

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

9 / 50

9. *A flow is said to be laminar when

10 / 50

10. An intensifier is used to increase

11 / 50

11. A steady uniform flow is through a

12 / 50

12. "Manning's formula is used for

13 / 50

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

14 / 50

14. 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.)

15 / 50

15. *An ideal flow of a liquid obeys

16 / 50

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

17 / 50

17. Hydrostatic pressure on a dam depends upon its

18 / 50

18. In a flowing liquid, a particle may possess

19 / 50

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

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20. In an open channels the analysis of a sugar is done by using

21 / 50

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

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22. Pick up the correct statement from the following

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23. The minimum head loss will occur in

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

25 / 50

25. Specific weight of liquid

26 / 50

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

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27. *Barometers are used to measure

28 / 50

28. The pressure less than atmospheric pressure is known as

29 / 50

29. *Hydraulic gradient is equal to

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30. *Surface float is used to measure

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

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

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33. *The discharge through a rectangular channel is maximum when

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34. 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

35 / 50

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

36 / 50

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

37 / 50

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

38 / 50

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

39 / 50

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

40 / 50

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

41 / 50

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

42 / 50

42. When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as:

43 / 50

43. 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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44. If the velocity in a fluid flow changes with respect to the length of the direction of the flow, it is called

45 / 50

45. Weber number is the ratio of inertia force to

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46. *Venturimeter is used to measure

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47. The most efficient channel section is

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48. A triangular notch is preferred to a rectangular notch because

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49. One horsepower is equal to

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50. ........ is defined as the maximum increase in water level in the path of the flow of water

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