IAF Physics MCQs

Vortex Flow MCQs for IAF Physics.

Solved MCQs of Vortex Flow in Physics for IAF jobs.

On the X-axis the circles with their center are ________
(A). eccentric circles
(B). concentric circles
(C). potential lines
(D). equal circles
(E). None of these
MCQ Answer: c

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______ is formed by the free vortex flow
(A). straight lines
(B). concentric circles
(C). parabola
(D). hyperbola
(E). None of these
MCQ Answer: b

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Source flow and uniform flow combination gives flow past a _____
(A). Cylinder
(B). Half body
(C). Full body
(D). Wedge
(E). None of these
MCQ Answer: b

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On the surface a body floats when _______
(A). Metacenter is above gravity
(B). Metacenter is below gravity
(C). Metacenter is equal to gravity
(D). Gravity is above the metacenter
(E). None of these
MCQ Answer: a

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Vortex flow is ________ except at the origin where r=0.
(A). rotational
(B). laminar
(C). irrotational
(D). turbulent
(E). None of these
MCQ Answer: c

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By using ______the center of pressure can be calculated.
(A). Principle of moments
(B). Principle of energy
(C). Mass conservation
(D). Rayleigh’s principle
(E). None of these
MCQ Answer: a

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Vortex flow’ strength can be given by _________
(A). G=2*pi*C
(B). G=2*pi
(C). G=-2*pi*C
(D). G=0
(E). None of these
MCQ Answer: c

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