MCQOPTIONS
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MCQOPTIONS
This section includes 13 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 for a given fuselage Stop=10m2, Aside=14m2, L = 10m then, find the ratio of wetted area to the volume of fuselage. |
| A. | 3.42 per m |
| B. | 6.68 per m<sup>3</sup> |
| C. | 8.36 m |
| D. | 4.001 |
| Answer» B. 6.68 per m<sup>3</sup> | |
| 2. |
My fuselage has length of 10.12m and volume of 8m3. Now if I want to design same fuselage but with volume of 16m3 then, what should be the length of fuselage? Given, all others parameters are held constant. |
| A. | 5.06m |
| B. | 1012cm |
| C. | 1000mm |
| D. | 6.025m |
| Answer» B. 1012cm | |
| 3. |
If a fuselage has length of 12m and area when viewed from top and side are 4m2 and 8m2 respectively. Find the approximate value of volume. |
| A. | 2.26m<sup>3</sup> |
| B. | 2.65m<sup>2</sup> |
| C. | 2.285 |
| D. | 2.65 |
| Answer» B. 2.65m<sup>2</sup> | |
| 4. |
A fuselage is configure to have length L. What will be the approximated internal volume (V)? |
| A. | V = 3.4*(S<sub>top</sub>*A<sub>side</sub>/4L) |
| B. | V = 3.4/4L |
| C. | V = 3.4*(S<sub>top</sub>*A<sub>side</sub>/4) |
| D. | V = 0.4*(S<sub>top</sub>*A<sub>side</sub>/L) |
| Answer» B. V = 3.4/4L | |
| 5. |
Fuselage has wetted area of 20m2. Given Aright = 5m2. Find the value of area viewed from top. |
| A. | 6.8m<sup>2</sup> |
| B. | 9.8m<sup>2</sup> |
| C. | 6.8m |
| D. | 68m |
| Answer» B. 9.8m<sup>2</sup> | |
| 6. |
Wetted area of a rectangular body is 64.64m2. Find the average projected area. |
| A. | 16.16m<sup>2</sup> |
| B. | 15.85 m<sup>2</sup> |
| C. | 25.368 km |
| D. | 45.45 cm |
| Answer» B. 15.85 m<sup>2</sup> | |
| 7. |
A fuselage is designed with circular C/S only. Average projected area is 28.2m2 then, find the wetted area of this fuselage. |
| A. | 88.6m<sup>2</sup> |
| B. | 96 m |
| C. | 540cm |
| D. | 253m |
| Answer» B. 96 m | |
| 8. |
For wetted area Aw, which of the following is correct? |
| A. | Aw = 3.4*(S<sub>top</sub> + A<sub>side</sub>) / 2 |
| B. | Aw = 3.4*(S<sub>top</sub> + A<sub>side</sub>) / 5 |
| C. | Aw = 3.4*(S<sub>top</sub> + A<sub>side</sub>) / 4 |
| D. | Aw = 3.4*(S<sub>top</sub> + A<sub>side</sub>) / 3 |
| Answer» B. Aw = 3.4*(S<sub>top</sub> + A<sub>side</sub>) / 5 | |
| 9. |
A wing has thickness of 15% of chord then, find the approximated wetted area. Given exposed area A is 10m2. |
| A. | 20.55m<sup>2</sup> |
| B. | 26.55 |
| C. | 36 |
| D. | 56 |
| Answer» B. 26.55 | |
| 10. |
If thickness ratio t/c is less or equal to the 0.05 then, the wetted area is ____ |
| A. | S<sub>wet</sub> = 2.003*S<sub>exposed</sub> |
| B. | S<sub>wet</sub> = 2.003*4*S<sub>exposed</sub> |
| C. | S<sub>wet</sub> = 2/S<sub>exposed</sub> |
| D. | S<sub>wet</sub> = 2*S<sub>exposed</sub> |
| Answer» B. S<sub>wet</sub> = 2.003*4*S<sub>exposed</sub> | |
| 11. |
Wing has planform area of 2m2. If wing is paper thin then, find wetted area of the wing. |
| A. | 4m<sup>2</sup> |
| B. | 10m<sup>2</sup> |
| C. | 5m<sup>2</sup> |
| D. | 20m<sup>2</sup> |
| Answer» B. 10m<sup>2</sup> | |
| 12. |
Wetted area has effect on drag estimation. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
Total exposed area that would get wet if immersed in fluid is called ____________ |
| A. | wetted area |
| B. | volume |
| C. | length |
| D. | planform of wing |
| Answer» B. volume | |