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. | β=\(\sqrt{1-M^2}\) |
| B. | β=\(\sqrt{1-M}\) |
| C. | β=\(\sqrt{M^2-1}\) |
| D. | β=\(\sqrt{1+M^2}\) |
| Answer» B. β=\(\sqrt{1-M}\) | |
| 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. | Vemd=\(\sqrt[3]{\frac{ZW^2}{Y}}\) |
| B. | Vemd=\(\sqrt[4]{\frac{ZW^2}{Y}}\) |
| C. | Vemd=\(\sqrt[4]{\frac{ZW^2}{Y^2}}\) |
| D. | Vemd=\(\sqrt[3]{\frac{ZW^2}{Y^2}}\) |
| Answer» C. Vemd=\(\sqrt[4]{\frac{ZW^2}{Y^2}}\) | |
| 8. |
Which of the following is correct equation? |
| A. | D=YVee+\(\frac{ZW^2}{V^2_e}\) |
| B. | CD=CDz-KCL2 |
| C. | D=Dz-Di |
| D. | Vemd=\(\sqrt[3]{\frac{ZW^2}{Y}}\) |
| Answer» B. CD=CDz-KCL2 | |
| 9. |
What is the correct expression for pressure drag? |
| A. | \(\frac{ZW^2}{V^2_e}\) |
| B. | YVe2 |
| C. | \(\frac{ZW^2}{V_e}\) |
| D. | YVe |
| Answer» C. \(\frac{ZW^2}{V_e}\) | |
| 10. |
What is the correct expression for induced drag? |
| A. | \(\frac{ZW^2}{V^2_e}\) |
| B. | YVe2 |
| C. | \(\frac{ZW^2}{V_e}\) |
| D. | YVe |
| Answer» B. YVe2 | |