MCQOPTIONS
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MCQOPTIONS
This section includes 8 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 flow has Mach number of 1.2 then, determine the ratio of total and external flow dynamic pressure. |
| A. | 2.4 |
| B. | 1 |
| C. | 3.8 |
| D. | 5.6 |
| Answer» B. 1 | |
| 2. |
Determine total pressure if static pressure is 1600psf and Mach number is 1.8. Consider flow of air. |
| A. | 9193.2 psf |
| B. | 1000 psf |
| C. | 3450 psf |
| D. | 7892 psf |
| Answer» B. 1000 psf | |
| 3. |
Consider external flow dynamic pressure as 2000psf and static pressure as 800psf. find the approximate value of Mach number. |
| A. | 1.9 |
| B. | 5 |
| C. | 4.5 |
| D. | 2.78 |
| Answer» B. 5 | |
| 4. |
Determine static pressure if external flow dynamic pressure is 1800psf and flow has Mach number of 2. |
| A. | 642.857psf |
| B. | 1000psf |
| C. | 2400 psf |
| D. | 4673 psf |
| Answer» B. 1000psf | |
| 5. |
If static pressure of flow is 1200psf and operating Mach number is 1.19 then, determine the external flow dynamic pressure. |
| A. | 1189.52 psf |
| B. | 12.89 psf |
| C. | 112 psf |
| D. | 2587 psf |
| Answer» B. 12.89 psf | |
| 6. |
Operating envelope is also known as ________ |
| A. | flight envelope |
| B. | fly by wire |
| C. | stall speed diagram |
| D. | lift curve |
| Answer» B. fly by wire | |
| 7. |
The highest altitude where Ps is zero is called ________ |
| A. | absolute ceiling |
| B. | drag polar |
| C. | geometric height |
| D. | geometric altitude |
| Answer» B. drag polar | |
| 8. |
The level flight envelope is determined by ________ |
| A. | stall limit lines and from zero specific power |
| B. | wing aileron size |
| C. | spoilers area |
| D. | tail area |
| Answer» B. wing aileron size | |