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. *Viscosity of a liquid

2 / 50

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

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3. *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

4 / 50

4. The viscosity of liquids varies with temperature

5 / 50

5. 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

6 / 50

6. *1 m head is equivalent to

7 / 50

7. The depth of flow after the hydraulic jump is

8 / 50

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

9 / 50

9. One horsepower is equal to

10 / 50

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

11 / 50

11. In an inclined position, a venturimeter records

12 / 50

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

13 / 50

13. A fluid particle may possess the displacement of

14 / 50

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

15 / 50

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

16 / 50

16. 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

17 / 50

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

18 / 50

18. *Capillarity of water is

19 / 50

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

20 / 50

20. Find the capillary rise/fall in a glass tube when immersed in mercury with the following given data: surface tension, σ = 0.52 gmf/cm, angle of contact, θ = 130°, S.G. of mercury = 13.6, diameter of the pipe = 2.5 mm.

21 / 50

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

22 / 50

22. If H is the height of the liquid above the sill, the effect of end contraction on each side, according to Francis' formula, is

23 / 50

23. *Cavitations is caused by

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24. A vessel having a depth of 30 cm is filled with water up to a depth of 10 cm from the top level. Find the pressure exerted at a depth of 5 cm and 15 cm from the top of the vessel respectively

25 / 50

25. Mouthpieces are used to measure

26 / 50

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

27 / 50

27. Falling drops of water become spheres due to

28 / 50

28. In an open channel flow

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

30 / 50

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

31 / 50

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

32 / 50

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

33 / 50

33. Hydraulic gradient line and total energy line are

34 / 50

34. Pick up the correct statement from the following

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35. In a venturimeter, the divergent cone is kept

36 / 50

36. *Cipolleti weir is a

37 / 50

37. *Piezometers are used to measure

38 / 50

38. *The magnitude of water hammer depends upon

39 / 50

39. For a long pipe, the head loss

40 / 50

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

41 / 50

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

42 / 50

42. *Bernoulli's equation assumes that

43 / 50

43. Super-critical flow occurs in

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

45 / 50

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

46 / 50

46. *Surface tension is the force

47 / 50

47. The most efficient channel section is

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48. A ideal fluid

49 / 50

49. The maximum velocity in an open channel occurs

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

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