MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Aircraft Performance knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is the correct equation for the Prandtl-Glauert factor? |
| A. | = ( sqrt{1-M^2} ) |
| B. | = ( sqrt{1-M} ) |
| C. | = ( sqrt{M^2-1} ) |
| D. | = ( sqrt{1+M^2} ) |
| Answer» B. = ( sqrt{1-M} ) | |
| 2. |
The drag polar curve is parabolic in shape for subsonic performance aircrafts. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
What is overall drag force? |
| A. | The sum of drag force, zero-lift drag, lift-dependent drag and volume dependent wave drag |
| B. | The sum of lift-dependent drag and volume dependent wave drag |
| C. | The sum of drag force, lift-dependent drag and volume dependent wave drag |
| D. | The sum of drag force, zero-lift drag and lift-dependent drag |
| Answer» B. The sum of lift-dependent drag and volume dependent wave drag | |
| 4. |
The total drag is the sum of pressure drag and induced drag. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
The lift-dependent drag is reduced with the reduction in total drag. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
The minimum drag speed determines the best operating speeds of aircraft with thrust producing engines. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Which of the following is the correct equation for minimum speed drag? |
| A. | V<sub>emd</sub>= ( sqrt[3]{ frac{ZW^2}{Y}} ) |
| B. | V<sub>emd</sub>= ( sqrt[4]{ frac{ZW^2}{Y}} ) |
| C. | V<sub>emd</sub>= ( sqrt[4]{ frac{ZW^2}{Y^2}} ) |
| D. | V<sub>emd</sub>= ( sqrt[3]{ frac{ZW^2}{Y^2}} ) |
| Answer» C. V<sub>emd</sub>= ( sqrt[4]{ frac{ZW^2}{Y^2}} ) | |
| 8. |
Which of the following is correct equation? |
| A. | D=YV<sub>e</sub><sup>e</sup>+ ( frac{ZW^2}{V^2_e} ) |
| B. | C<sub>D</sub>=C<sub>Dz</sub>-KC<sub>L</sub><sup>2</sup> |
| C. | D=D<sub>z</sub>-D<sub>i</sub> |
| D. | V<sub>emd</sub>= ( sqrt[3]{ frac{ZW^2}{Y}} ) |
| Answer» B. C<sub>D</sub>=C<sub>Dz</sub>-KC<sub>L</sub><sup>2</sup> | |
| 9. |
What is the correct expression for pressure drag? |
| A. | ( frac{ZW^2}{V^2_e} ) |
| B. | YV<sub>e</sub><sup>2</sup> |
| C. | ( frac{ZW^2}{V_e} ) |
| D. | YV<sub>e</sub> |
| Answer» C. ( frac{ZW^2}{V_e} ) | |
| 10. |
What is the correct expression for induced drag? |
| A. | ( frac{ZW^2}{V^2_e} ) |
| B. | YV<sub>e</sub><sup>2</sup> |
| C. | ( frac{ZW^2}{V_e} ) |
| D. | YV<sub>e</sub> |
| Answer» B. YV<sub>e</sub><sup>2</sup> | |