MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Aircraft Design knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If damping ratio is 0.05 then, find the lift to drag ratio. Consider 2-degree phugoid approximation. |
| A. | 14.14 |
| B. | 20 |
| C. | 25 |
| D. | 0.05 |
| Answer» B. 20 | |
| 2. |
Consider the 2d phugoid approximation with natural frequency of 0.4. Determine the approximate value of aircraft speed. |
| A. | 34.68 |
| B. | 56 |
| C. | 12 |
| D. | 12.68 |
| Answer» B. 56 | |
| 3. |
Which of the following is an example of longitudinal mode? |
| A. | Phugoid |
| B. | Dutch |
| C. | Lateral |
| D. | Aileron |
| Answer» B. Dutch | |
| 4. |
Which of the following is not the type of aircraft dynamic mode? |
| A. | Flap |
| B. | Dutch roll |
| C. | Phugoid |
| D. | Lateral mode |
| Answer» B. Dutch roll | |
| 5. |
Find critical damping coefficient if damping ratio is 0.5 and damping coefficient is 1.1. |
| A. | 2.2 |
| B. | 1 |
| C. | 4 |
| D. | 1.1 |
| Answer» B. 1 | |
| 6. |
Consider the aircraft with weight of 1234 kg. Find the approximate value of the damping ratio if time taken by system for damping is minimum. |
| A. | 1 |
| B. | 1.7 |
| C. | 1.9 |
| D. | 0.002 |
| Answer» B. 1.7 | |
| 7. |
If damping ratio is unity then, system is _____________ |
| A. | critically damped |
| B. | over damped |
| C. | high lift device |
| D. | thrust augmented |
| Answer» B. over damped | |
| 8. |
An aircraft is consider to be over damped. What will be the appropriate value for damping ratio? |
| A. | 1.45 |
| B. | 0.1 |
| C. | 0.001 |
| D. | 0.04 |
| Answer» B. 0.1 | |
| 9. |
Damping ratio is defined as __________ |
| A. | damping coefficient divided by critical damping coefficient |
| B. | lift to drag |
| C. | thrust to weight |
| D. | weight to power |
| Answer» B. lift to drag | |
| 10. |
Dynamic stability is more concerned about time. |
| A. | True |
| B. | False |
| Answer» B. False | |