MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The lift distribution goes to zero at the tips for the finite wings. |
| A. | False |
| B. | True |
| C. | Only true for elliptical wings |
| D. | Only true for rectangular wing |
| Answer» C. Only true for elliptical wings | |
| 2. |
Having a different zero angle of attack along span-wise locations is termed as______ |
| A. | Washout |
| B. | Geometric twist |
| C. | Aerodynamic twist |
| D. | Washin |
| Answer» D. Washin | |
| 3. |
If the geometric angle of attack is higher at the tip than the root, it is called as ______ |
| A. | Washout |
| B. | Geometric twist |
| C. | Aerodynamic twist |
| D. | Washin |
| Answer» E. | |
| 4. |
A condition in which the wing has different values of α along the span is called as ______ |
| A. | Washout |
| B. | Geometric twist |
| C. | Aerodynamic twist |
| D. | Washin |
| Answer» C. Aerodynamic twist | |
| 5. |
The incorrect statement regarding Helmholtz theorems is____ |
| A. | Valid for all inviscid flows |
| B. | Γ remains constant along vortex filament |
| C. | Describes vortex behavior |
| D. | Vortex filament forms a closed loop or extends till the boundaries of the fluid |
| Answer» B. Γ remains constant along vortex filament | |
| 6. |
Identify the correct expression for the induced velocity by a semi-infinite vortex filament at a point.(Where symbols have their usual meaning) |
| A. | V=\(\frac {\Gamma }{4h}\) |
| B. | V=\(\frac {\Gamma }{2h}\) |
| C. | V=\(\frac {\Gamma }{2\pi h}\) |
| D. | V=\(\frac {\Gamma }{4\pi h}\) |
| Answer» E. | |
| 7. |
The velocity induced by an infinite vortex filament, with strength Γ at some point is correctly given as______ (r, h are the distance and height to the point respectively). |
| A. | V=\(\frac {\Gamma }{2\pi h}\) |
| B. | V=\(\frac {\Gamma }{2\pi r}\) |
| C. | V=\(\frac {\Gamma }{2h}\) |
| D. | V=\(\frac {\Gamma }{2r}\) |
| Answer» B. V=\(\frac {\Gamma }{2\pi r}\) | |
| 8. |
Select the incorrect statement regarding the terminology used in the study of incompressible flow over finite wings. |
| A. | Induced drag is finite |
| B. | Circulation is constant |
| C. | Downwash is absent |
| D. | Vorticity induces velocity |
| Answer» D. Vorticity induces velocity | |
| 9. |
Biot-Savart law can be used to describe inviscid, incompressible flows. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Which is the incorrect analogyout of the following regarding Biot-Savart law? |
| A. | Induced velocity: Magnetic induction |
| B. | Vortex Filament: Current-carrying Wire |
| C. | Vorticity: Velocity |
| D. | Aerodynamics: Electromagnetism |
| Answer» D. Aerodynamics: Electromagnetism | |
| 11. |
A curved vortex filament does not exist. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
In Biot-Savart law, the circulation taken about any path enclosing the vortex filament is____ |
| A. | Constant |
| B. | Depends on the local strength |
| C. | Zero |
| D. | Path-dependent |
| Answer» B. Depends on the local strength | |