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. |
Determine the corrections or otherwise of the following assertion [A] and reason [R]:Assertion [A]: Maintaining smooth longitudinal contour in fuselage will give better aerodynamic design.Reason[R]: Longitudinal control lines are used to provide smoothness to the fuselage. |
| A. | Both [A] and [R] are true and [R] is the correct reason for [A] |
| B. | Both [A] and [R] are true but [R] is not the correct reason for [A] |
| C. | Both [A] and [R] are false |
| D. | [A] is false but [R] is true |
| Answer» C. Both [A] and [R] are false | |
| 2. |
A fuselage is designed as show in below diagram. If velocity of free stream is 120knts then, find the maximum angle marked by’?’. |
| A. | 10° – 12° |
| B. | 40° |
| C. | 39° |
| D. | 54° |
| Answer» B. 40° | |
| 3. |
What is the disadvantage of short and fat fuselage? |
| A. | Higher supersonic wave drag |
| B. | Higher incompressible wave drag |
| C. | Lower supersonic wave drag |
| D. | Lower wetted area |
| Answer» B. Higher incompressible wave drag | |
| 4. |
Short and fat fuselage will have ___________ |
| A. | lower tail arm |
| B. | higher tail arm |
| C. | higher fineness ratio |
| D. | higher wetted area |
| Answer» B. higher tail arm | |
| 5. |
To reduce fuselage wetted area we can ___________ |
| A. | lower the fineness ratio |
| B. | increase fineness ratio |
| C. | always double the fineness ratio |
| D. | always use long fuselage |
| Answer» B. increase fineness ratio | |
| 6. |
___________ can be considered as one of the most powerful aerodynamic consideration. |
| A. | Wetted area |
| B. | Number of spars |
| C. | Number of ribs |
| D. | Only wingspan |
| Answer» B. Number of spars | |
| 7. |
If an aircraft is not designed properly then __________ |
| A. | it can experience excessive flow separation |
| B. | it will have more lift |
| C. | it will have less drag |
| D. | it will have higher aerodynamic efficiency |
| Answer» B. it will have more lift | |
| 8. |
Poor wing fuselage will reduce lift loss. |
| A. | True |
| B. | False |
| Answer» C. | |