PAF Physics MCQs

By: Prof. Dr. Fazal Rehman | Last updated: March 3, 2022

The Vortex Filament, Biot-Savart Law, Helmholtz Theorem MCQs

Solved Physics MCQs of Physics for PAF jobs/

To include the effects of point vortices can the vortex filament equation be modified?
(A). False
(B). True
(C). Partially True
MCQ Answer: b

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For computing, the resultant magnetic field Biot-savant law is used.
(A). True
(B). False
(C). Partially True
MCQ Answer: a

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Around a closed curve usually, there is integral?
(A). True
(B). False
(C). Partially True
MCQ Answer: c

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Helmholtz’s theorems are applied to inviscid flows.
(A). True
(B). False
(C). Partially True
MCQ Answer: a

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Vortex tube strength varies with time.
(A). False
(B). True
(C). Partially True
MCQ Answer: a

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The vortex filament has a very thin strip.
(A). True
(B). False
(C). Partially True
MCQ Answer: a

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To disturbances and tend to roll up the thin strips of vorticity are unstable.
(A). False
(B). True
(C). Partially True
MCQ Answer: b

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The circular filament has constant thickness?
(A). True
(B). False
(C). Partially True
MCQ Answer: a

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When the sources are invariant in one direction 2D version of the Biot-Savart equation is used.
(A). True
(B). False
(C). Partially True
MCQ Answer: a

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Rolling up of the vortex filament has weak external velocity.
(A). True
(B). False
(C). Partially True
MCQ Answer: a

Aerodynamics MCQs

1. Infinitesimal Fluid Element
2. Kelvin’s Circulation Theorem and the Starting Vortex
3. Laminar Flow MCQs
4. Lifting Flow over Cylinder MCQs
5. FRCR Physics MCQs
6. Non-lifting Flow over Arbitrary Bodies MCQs
7. Pathlines, Streamlines, Streaklines Physics MCQs
8. Pitot Tube MCQs Physics
9. Classical Lifting-Line Theory MCQs
10. Doublet Flow MCQs
11. Flow in Duct 
12. Continuity Equation MCQs
13. Cambered Airfoil MCQs
14. Kutta Condition MCQs
15. Lifting Surface Theory MCQs
16. Symmetric Airfoil MCQs
17. The Vortex Filament, Biot-Savart Law, Helmholtz Theorem MCQs
18. IAF Physics MCQs
19. Viscous Flow MCQs
20. Uniform and Turbulent Flow MCQs
21. Three Dimensional Source and Three Dimensional Doublet MCQs
22. Vortex Sheet MCQs 
23. Pressure Coefficient MCQs 
24. Source Flow MCQs 
25. Angular Velocity, Strain and Vorticity MCQs
26. Bernoulli’s Equation MCQs
27. MCQs on Circulation
28. Finite Control Volume Approach MCQs
29. Flow over Sphere MCQs
30. Airfoil Characteristics MCQs
31. Downwash and Induced Drag MCQs
32. Aerodynamics MCQs
33. Airfoil Nomenclature MCQs