MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 9 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. |
Which of the following is disadvantage of fixed engine sizing? |
| A. | Often requires compromise in mission range or performance |
| B. | Less costly compared to rubber engine |
| C. | Availability is more than rubber engine |
| D. | Has no disadvantage |
| Answer» B. Less costly compared to rubber engine | |
| 2. |
An aircraft needs to accelerate from 0.8M to 2.0M. What should be the mission segment weight fraction if fixed engine sizing is used? |
| A. | 0.956 |
| B. | 0.9365 |
| C. | 0.937 |
| D. | 0.98052 |
| Answer» B. 0.9365 | |
| 3. |
As a designer let s consider that we want to build an aircraft weighing 28000 units at take-off. How many engine will require if our thrust loading T.L. is 0.71 and thrust per engine is 10000 unit? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 1 |
| Answer» B. 3 | |
| 4. |
Fixed engine sizing method is adopted for aircraft. If thrust per engine is 20000 unit and thrust loading T.L. is 0.8 then, find the take-off gross weight. Given aircraft has 2 engines. |
| A. | 50000 unit |
| B. | 58000 unit |
| C. | 50822 |
| D. | 32589 unit |
| Answer» B. 58000 unit | |
| 5. |
Why we use fixed engine for aircraft sizing? |
| A. | Cost effective |
| B. | Can be stretched |
| C. | Can be rubberized |
| D. | Can provide variable thrust at sizing |
| Answer» B. Can be stretched | |
| 6. |
Size of fixed engine can vary during sizing. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
The thrust developed by fixed engine will be ___________ |
| A. | fixed during sizing |
| B. | unfixed during sizing |
| C. | independent of engine |
| D. | zero at sizing |
| Answer» B. unfixed during sizing | |
| 8. |
Existing engine used for sizing is called as __________ |
| A. | fixed engine |
| B. | unfixed engine |
| C. | differential engine |
| D. | rubber engine |
| Answer» B. unfixed engine | |
| 9. |
Based on existing engine or based on new design, aircraft sizing can be done. |
| A. | True |
| B. | False |
| Answer» B. False | |