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This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.
1. |
Linearized pressure distribution for higher deflection angle is inaccurate. |
A. | True |
B. | False |
Answer» B. False | |
2. |
What is the coefficient of lift according to the linearized theory over a flat plate kept at an inclination of 3 degrees having a freestream Mach number of 2? |
A. | 0.01 |
B. | 0.12 |
C. | 0.85 |
D. | 0.52 |
Answer» C. 0.85 | |
3. |
How does the coefficient of pressure vary for supersonic flow as the Mach number decreases? |
A. | Increases |
B. | Decreases |
C. | Remains same |
D. | First increases, then decreases |
Answer» B. Decreases | |
4. |
How does the coefficient of pressure vary for subsonic flow as the Mach number increases? |
A. | Increases |
B. | Decreases |
C. | Remains same |
D. | First increases, then decreases |
Answer» B. Decreases | |
5. |
Coefficient of pressure over the forward section of the hump in supersonic flow is negative. |
A. | True |
B. | False |
Answer» C. | |
6. |
What is the coefficient of pressure over an airfoil at supersonic flow at Mach 2 which is inclined to the freestream at 1.4 degrees? |
A. | 1.10 |
B. | 1.92 |
C. | 1.62 |
D. | 2.81 |
Answer» D. 2.81 | |
7. |
Which of these is the relation for linearized pressure coefficient for two dimensional bodies? |
A. | C<sub>p</sub> = ( frac {- 2u^{ }}{V_ } ) |
B. | C<sub>p</sub> = ( frac {- 2v^{ }}{V_ } ) |
C. | C<sub>p</sub> = ( frac {- 2w}{V_ } ) |
D. | C<sub>p</sub> = ( frac {2u^{ }}{V_ } ) |
Answer» B. C<sub>p</sub> = ( frac {- 2v^{ }}{V_ } ) | |
8. |
What is the relation between coefficient of pressure in terms of gamma and Mach number? |
A. | C<sub>p</sub> = ( frac {1}{ M_ ^2} )) (1 ( frac {p}{p_ } )) |
B. | C<sub>p</sub> = ( frac {2}{ M_ ^2} )( ( frac {p}{p_ } ) 1) |
C. | C<sub>p</sub> = M (_ ^2 )( ( frac {p}{p_ } )) |
D. | C<sub>p</sub> = ( frac { M_ ^2}{2} ( frac {p}{p_ 1}) ) |
Answer» C. C<sub>p</sub> = M (_ ^2 )( ( frac {p}{p_ } )) | |