The mechanical Engineering fluid mechanics is vital role for the all Competitive exams, so let's learn about Concept of Mcq on laminar flow to clear the concepts.
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| Mcq on laminar flow |
Objective questions MCQ on laminar flow:-
A. True
B. False
Answer:- A
2. The laminar flow is smooth, than turbulent flow.
A. True
B. False
Answer:- A
3. The flow of laminar occurs when the velocity of fluid is slow.
A. True
B. False
Answer:- A
4. The turbulent flow is a rough than the laminar flow....
A. True
B. False
Answer:- A
5. The value of critical Reynolds number for A pipe in internal flow is...
A. 1
B. 500
C. 1000
D. 2000
Answer:- D
6. The Reynolds number describe the fluid flow.
A. True
B. False
Answer:- A
7. The value at which the flow can be considered to be a laminar called as critical Reynold's number.
A. True
B. False
Answer:- A
7. The value of critical Reynolds number for an open channel flow is...
A. 1
B. 500
C. 1000
D. 2000
Answer:- B
8. The value of critical Reynolds number for the flow around a sphere is...
A. 1
B. 500
C. 1000
D. 2000
Answer:- A
9. The value of critical Reynolds number for A flow between plates is...
A. 1
B. 500
C. 1000
D. 2000
Answer:- C
10. The laminar flow use in the smooth flow of a viscous liquid through a tube.
A. True
B. False
Answer:- A
11. The Reynolds number below its critical value.
A. True
B. False
Answer:- A
12. The velocity distribution is a parabolic for laminar flow through circular pipe.
A. True
B. False
Answer:- A
13. The mean velocity of occurs at a distance of 0.707 R from centre of circular pipe.
A. True
B. False
Answer:- A
14. The mean velocity is........ of maximum velocity.
A. Double
B. Half
C. Triple
D. Equal
Answer:- B
15. The maximum velocity is.......... of the mean velocity.
A. Double
B. Half
C. Triple
D. Equal
Answer:- A
16. The Reynold's number defining the inertial force to the viscous force.
A. True
B. False
Answer:- A
17. If the value of the velocity of flow increases the Reynolds number will be....
A. Double
B. Half
C. Increase
D. Decrease
Answer:- C
18. 17. If the value of the viscous of flow increases the Reynolds number will be....
A. Double
B. Half
C. Increase
D. Decrease
Answer:- D
19. The Reynolds number is a function of...
A. Velocity
B. Discharge
C. Fluid property
D. All of the above
Answer:- D
20. The Reynolds number is directly proportional to the velocity of the fluid.
A. True
B. False
Answer:- A
21. The friction factor in laminar flow is a function of Reynolds number.
A. True
B. False
Answer:- A
22. For the flow between two stationary plates the average velocity is 2/3 of maximum velocity.
A. True
B. False
Answer:- A
23. In laminar flow through a circular pipe the head loss varies directly as the discharge.
A. True
B. False
Answer:- A
24. In laminar flow the pressure drop varies directly proportional to the mean velocity.
A. True
B. False
Answer:- A
25. The minimum value of friction factor that can occur in laminar flow when flowing in a circular pipe is...
A. 0.024
B. 0.025
C. 0.032
D. 0.023
Answer:- C
Here we concluding, If you have any queries about the topic of Mcq on laminar flow, then feel free to comment below.
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