Hydraulics Online Test - Paper 3 » Expert Quiz Test
GKaim: Measure | Improve | Achieve

Hydraulics Online Test – Paper 3

0%
Created by 83a36dcfd5c4caff12bc80f0020c9c749e12cbbbdb7c406dc1dd39996cb85836?s=32&d=monsterid&r=g gkaimVikash chaudhary

This is a FREE online test. Beware of scammers who ask for money to attend this test.

Get fresh, new questions in each attempt.

  • Total Questions: 50
  • Time Allotted: 50 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
  • Do not refresh the page!
  • 👍 All the best!

1 / 50

1. In the case of leveling by a level pipe, the level is indicated by

2 / 50

2. *Capillary rise is proportional to

3 / 50

3. If the fluid particles move in a zig-zag way, the flow is called

4 / 50

4. Chazy's formula is used to determine

5 / 50

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

6 / 50

6. In an open tube, the free surface of mercury remains

7 / 50

7. The viscosity of liquids varies with temperature

8 / 50

8. *The main assumption of Bernoulli's equation is

9 / 50

9. 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)

10 / 50

10. Gauge pressure is

11 / 50

11. If the volume of a liquid weighing 3000 kg is 4 cubic meters, then 0.75 is its

12 / 50

12. If the forces are due to inertia and gravity, and frictional resistance plays only a minor role, the design of channels is made by comparing

13 / 50

13. *Bernoulli's equation is applied to

14 / 50

14. From a nozzle exposed to the atmosphere, the liquid jet traverses

15 / 50

15. *The phenomenon occurring in an open channel when a rapidly flowing stream abruptly changes to a slowly flowing stream, causing a distinct rise of the liquid surface, is

16 / 50

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

17 / 50

17. *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

18 / 50

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

19 / 50

19. *Bernoulli's theorem deals with the law of conservation of

20 / 50

20. *Cipolleti weir is a

21 / 50

21. The hydrostatic force exerted by 2 m deep water on the gate downstream is equal to

22 / 50

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

23 / 50

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

24 / 50

24. *The hydraulic radius is equal to

25 / 50

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

26 / 50

26. The term P/pg is known as

27 / 50

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

28 / 50

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

29 / 50

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

30 / 50

30. 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.

31 / 50

31. The capillary rise or fall of the liquid is given by

32 / 50

32. The water immediately downstream of the conduit or weir is called

33 / 50

33. Falling drops of water become spheres due to

34 / 50

34. Mach number is the ratio of inertia force to

35 / 50

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

36 / 50

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

37 / 50

37. *If a pitot tube is placed with its nose facing downstream, the liquid

38 / 50

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

39 / 50

39. Mouthpieces are used to measure

40 / 50

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

41 / 50

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

42 / 50

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

43 / 50

43. To ensure that water does not rise more than 100 cm above the crest, for a discharge of 5.00 m^3/sec, the length of the weir will be (Cd = 0.62)

44 / 50

44. A ideal fluid

45 / 50

45. Head loss due to friction in a pipe is given by the Darcy-Weisbach equation

46 / 50

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

47 / 50

47. Critical depth (he) is given by (where q= rate of flow per unit width of channel)

48 / 50

48. 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

49 / 50

49. Euler's number is the ratio of

50 / 50

50. "Manning's formula is used for

Please provide accurate information so we can send your Achievement Certificate by mail.

Your score is

Share your achievement!

LinkedIn Facebook
0%

Please provide your feedback.

Thank you for your valuable feedback.

Subscribe
Notify of
guest
0 Comments
Scroll to Top