Hydraulics Online Test - Paper 3 » Expert Quiz Test
GK Aim: A Treasure of MCQs

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

2 / 50

2. *Rotameter is used for measuring

3 / 50

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

4 / 50

4. For the flow of liquid from an open-ended tube (nozzle) leading to the formation of a spray of liquid drops, the number generally is

5 / 50

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

6 / 50

6. *To measure atmospheric pressure, we use

7 / 50

7. *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

8 / 50

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

9 / 50

9. Water hammer is a phenomenon that occurs

10 / 50

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

11 / 50

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

12 / 50

12. In fluids, steady flow occurs when

13 / 50

13. *The upper surface of the notch over which water flows is known as

14 / 50

14. *The magnitude of water hammer depends upon

15 / 50

15. A ideal fluid

16 / 50

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

17 / 50

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

18 / 50

18. The viscosity of gases varies with temperature

19 / 50

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

20 / 50

20. *Stoke is the unit of

21 / 50

21. *Differential manometers are used to measure

22 / 50

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

23 / 50

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

24 / 50

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

25 / 50

25. *1 m head is equivalent to

26 / 50

26. Which of the following is the example of laminar flow?

27 / 50

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

28 / 50

28. Cavitations is collapsed by

29 / 50

29. If the specific gravity of oil is 0.7, then find the density of oil

30 / 50

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

31 / 50

31. Hydraulic gradient line and total energy line are

32 / 50

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

33 / 50

33. If the Froude number in open channel flow is equal to 1.0, the flow is called

34 / 50

34. The most efficient channel section is

35 / 50

35. A siphon is an

36 / 50

36. For the same specific force, the two depths at which the same discharge occurs are called

37 / 50

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

38 / 50

38. The maximum velocity in an open channel occurs

39 / 50

39. *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

40 / 50

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

41 / 50

41. Cavitations in flowing fluid occurs when

42 / 50

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

43 / 50

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

44 / 50

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

45 / 50

45. A steady uniform flow is through a

46 / 50

46. *Capillarity of water is

47 / 50

47. *A flow is said to be laminar when

48 / 50

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

49 / 50

49. Gauge pressure is

50 / 50

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

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

Your score is

Share your achievement!

LinkedIn Facebook Twitter
0%

Please provide your feedback.

Thank you for your valuable feedback.

Subscribe
Notify of
guest
0 Comments
Inline Feedbacks
View all comments
Scroll to Top