Explore topic-wise MCQs in Aerodynamics Questions and Answers.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

The induced drag (Di’) in terms of lift per unit span (L’) for a finite wing is_____

A. Di’=L’sin sinαi
B. Di’=L’αi
C. Di’=πL’αi
D. Di’=L’cos cosαi
Answer» B. Di’=L’αi
Discussion
2.

The incorrect statement regarding the downwash for a single horseshoe vortex in Prandtl’s lifting line theory is____

A. Downwash has contribution from trailing vortices
B. Downwash becomes infinite at the tips
C. Downwash is given by w=\(\frac {-\Gamma}{4\pi } \frac {b}{(\frac {b}{2})^2-y^2}\)
D. The contribution of two semi-infinite trailing vortices is same as an infinite vortex
Answer» E.
Discussion
3.

The downwash along the wing in the downward direction in Prandtl’s lifting line theory comes from______

A. Bound vortex
B. Horseshoe vortex
C. Free vortex
D. Trailing vortices
Answer» E.
Discussion