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This section includes 4 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 value of integral ∫\(_0^?\frac {cosn\theta d\theta }{cos\theta-cos∅}\)=π\(\frac {sin n∅}{sin ∅}\) is valid for the limit 0 to_____ |
A. | π |
B. | 2π |
C. | –π |
D. | nπ |
Answer» B. 2π | |
2. |
Find the induced velocity in the direction normal to the camber line a point on where the slope is 0.087. Given the angle of attack is 5° and free-stream velocity is 20 units. Use thin airfoil approximation. |
A. | 0 |
B. | 101.74 units |
C. | 98.26 units |
D. | 3.48 units |
Answer» B. 101.74 units | |
3. |
Given the component of free-stream velocity in the direction perpendicular to the camber line is 15 units and the velocity induced by the vortex sheet is 4 units at a point. The angle of attack for the thin airfoil is α. Then which of the following condition is true in case of thin airfoil theory? |
A. | 15sinα+4=0 |
B. | 15+4=0 |
C. | 15cosα+4=0 |
D. | 15tanα-4=0 |
Answer» C. 15cosα+4=0 | |
4. |
What is the Kutta Condition in terms of strength (γ) of the thin airfoil? |
A. | γ = 0 |
B. | γ(LE) = 0 |
C. | \(\frac {D\gamma }{Dt}\)=0 |
D. | γ(TE) = 0 |
Answer» E. | |