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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. | |