The Fluid mechanics is important subject for all Competitive exams, so let's learn about Concept of Mcq on fluid kinematics, helps to modernize our society.So keeping these things in mind, Lets learn about the topic of Mcq on fluid kinematics.
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| Mcq on fluid kinematics |
Objective questions (MCQ) on Fluid kinematics in Fluid mechanics:-
1. The fluid kinematics is a branch of mechanics which deals with the motion of the fluid without considering the forces and energies causing that the fluid motion.A. True
B. False
Answer:- A
2. The motion of the fluid is described by which of the following method.
A. Lagrangian method
B. Eulerian method
C. Both lagrangian method and eulerian method
D. None of the above
Answer:- C
3. In lagrangian method a single fluid particle followed by the observer during its motion are describe.
A. True
B. False
Answer:- A
4. In eulerian method the motion are described by observer at a fixed point in the space of the flow field.
A. True
B. False
Answer:- A
5. Which method is commonly used in fluid kinematics.
A. Lagrangian method
B. Eulerian method
C. Both lagrangian method and eulerian method
D. None of the above
Answer:- B
6. Which of the following is a type of fluid flow in a fluid mechanics.
A. Steady and unsteady flow
B. Uniform and non uniform flow
C. Compressible and incompressible flow
D. All of the above
Answer:- D
7. The properties of fluid do not change with time is called as...
A. Steady flow
B. Unsteady flow
C. Uniform flow
D. Non uniform flow
Answer:- A
8. The eulerian method is commonly used in fluid kinematics.
A. True
B. False
Answer:- A
9. The flowing fluid in a pipe at a constant rate of discharge is example of...
A. Steady flow
B. Unsteady flow
C. Uniform flow
D. Non uniform flow
Answer:- A
10. The properties of fluid flow is changes with respect to time is called as....
A. Steady flow
B. Unsteady flow
C. Uniform flow
D. Non uniform flow
Answer:- B
11. Properties are constant in and steady flow.
A. True
B. False
Answer:- B
12. The velocity of flow of a fluid does not changes from point to point at any instant of time is called as....
A. Steady flow
B. Unsteady flow
C. Uniform flow
D. Non uniform flow
Answer:- C
13. The velocity of flow of a fluid changes from point to point at any instant of time is called as....
A. Steady flow
B. Unsteady flow
C. Uniform flow
D. Non uniform flow
Answer:- D
14. In uniform flow the properties of fluid is constant at the given space.
A. True
B. False
Answer:- A
15. Flowing fluid in a pipe of a constant diameter is example of....
A. Steady flow
B. Unsteady flow
C. Uniform flow
D. Non uniform flow
Answer:- C
16. The fluid flow inside the nozzle can be...
a) steady
b) unsteady
c) it could be steady
d) it can be uniform
b) unsteady
c) it could be steady
d) it can be uniform
Answer:- C
17. The flowing Flow is laminar inside the boundary layer and turbulent outside the boundary later.
A. True
B. False
Answer:- A
18. The laminar flow is also called as....
A. Streamline flow
B. Viscous flow
C. Both streamline and viscous flow
D. None of the above
Answer:- C
19. If the Reynolds number is less than 2000 then the flow is called as....
A. Laminar flow
B. Turbulent flow
C. Transitional flow
D. None of the above
Answer:- A
20. The flow flowing in a pipe at a constant cross section with the constant flow rate, is example of.....
A. Steady and non uniform flow
B. Steady and uniform flow
C. Unsteady and uniform flow
D. Unsteady and non uniform flow
Answer:- B
21. The flow flowing in taper pipe cross section with the constant flow rate, is example of.....
A. Steady and non uniform flow
B. Steady and uniform flow
C. Unsteady and uniform flow
D. Unsteady and non uniform flow
Answer:- A
22. The flow flowing in taper cross section with the variable flow rate, is example of.....
A. Steady and non uniform flow
B. Steady and uniform flow
C. Unsteady and uniform flow
D. Unsteady and non uniform flow
Answer:- D
23. The flow flowing in constant pipe cross section with the variable flow rate, is example of.....
A. Steady and non uniform flow
B. Steady and uniform flow
C. Unsteady and uniform flow
D. Unsteady and non uniform flow
Answer:- C
24. The density of fluid is not constant is called as...
A. Steady flow
B. Unsteady flow
C. Compressible flow
D. Incompressible flow
Answer:- C
25. The density of fluid is constant is called as...
A. Steady flow
B. Unsteady flow
C. Compressible flow
D. Incompressible flow
Answer:- D
26. The flow of liquid like water and oil is example of...
A. Steady flow
B. Unsteady flow
C. Compressible flow
D. Incompressible flow
Answer:- D
27. The flow of gases through the nozzle is example of...
A. Steady flow
B. Unsteady flow
C. Compressible flow
D. Incompressible flow
Answer:- C
28. The flow in which the fluid particle is rotate about their own axis while moving is called as....
A. Steady flow
B. Unsteady flow
C. Rotational flow
D. Irrotational flow
Answer:- C
29. The flow in which the fluid particle does not rotate about their own axis while moving is called as....
A. Steady flow
B. Unsteady flow
C. Rotational flow
D. Irrotational flow
Answer:- D
30. The continuity equation is based on which of the following equation.
a) conservation of mass
b) conservation of momentum
c) conservation of energy
d) conservation of force
b) conservation of momentum
c) conservation of energy
d) conservation of force
Answer:- A
31. A pathline is the path followed by the particle in motion.
A. True
B. False
Answer:- A
32. The maximum number of times the pathlines of two particles can intersect in an 1D dimensional flow.
a) 0b) 1
c) 2
d) 3
Answer:- B
33.The velocity of the point in the flow is....
a) along with the streamlineb) tangent with the streamline
c) along with the pathline
d) tangent to the pathline
Answer:- B
34. A streamline is defined as the imaginary line within the flow such that the tangent at any point on it is indicates the velocity at that point.
A. True
B. False
Answer:- A
35. If the streamlines of the particles in a flow are parallel to each other, then the flow is...
a) steadyb) unsteady
c) uniform
d) non-uniform
Answer:- C
36. The path taken by the smoke coming out of a chimney then represents the...
a) pathlineb) streamline
c) streakline
d) streamtube
Answer:- C
37. The continuity equation is applicable for compressible and incompressible fluid flow.
A. True
B. False
Answer:- A
38. Continuity equation is based on the conservation of mass.
A. True
B. False
Answer:- A
39. Which of the following a assumption is true about the continuity equation.
A. Flow it steady
B. Flow is incompressible
C. University is uniform over a cross section.
D. All of the above
Answer:- D
40. The limiting value of circulation divided by area of closed counter as the area tends to zero, is called as vorticity.
A. True
B. False
Answer:- A
41. If the flow possess vorticity then flow is called a rotational flow.
A. True
B. False
Answer:- A
42. The point in a fluid flow where the local velocity of the fluid is zero is called stagnation point.
A. True
B. False
Answer:- A
43. The continuity equation is only used for the analysis of conserve quantity.
a) Trueb) False
Answer:- A
44. If the potential function is satisfy the Laplace equation then the flow is...
A. Steady flow
B. Unsteady flow
C. Irrotational flow
D. Non uniform flow
Answer:- C
45. The continuity equation also derived from polar co-ordinate system.
A. True
B. False
Answer:- A
46. The group of particle flowing through particular location and the line traced by that particles is called as....
A. Streamline
B. Path line
C. Streak line
D. Potential line
Answer:- C
46. In steady flow the local acceleration value becomes zero.
A. True
B. False
Answer:- A
48. The path followed by single particle the line traced, this line is called as...
A. Streamline
B. Path line
C. Streak line
D. Potential line
Answer:- B
49. The path line follows Lagrangian method.
A. True
B. False
Answer:- A
50. The streakline follows Euler's approach.
A. True
B. False
Answer:- A
51. Circulation is .... Times the rotation into area.
A. 1
B. 2
C. 3
D. 4
Answer:- B
52. The characteristic of an Ideal fluid are....
a) Incompressibleb) Inviscid
c) Fluid velocity is uniform
d) Shear stress is constant.
Answer:- B
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