MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
Buttock-planes are used to __________ |
| A. | evaluate the smoothness of A/C fuselage |
| B. | evaluate Lift |
| C. | find lift curve |
| D. | find lift curve slope |
| Answer» B. evaluate Lift | |
| 2. |
What is meant by butt-plane 40 ? |
| A. | Buttock plane is at a distance of 40 unit from fuselage centerline |
| B. | Buttock plane is at a distance of 20 unit from fuselage centerline |
| C. | Buttock plane is at a distance of 80 from fuselage centerline |
| D. | Buttock plane is at the 40 from fuselage centerline |
| Answer» B. Buttock plane is at a distance of 20 unit from fuselage centerline | |
| 3. |
Let s consider we want to loft fuselage by using flat wrap method then, __________ |
| A. | longitudinal control lines must be straight |
| B. | longitudinal control lines must be curved |
| C. | longitudinal lines must be avoided |
| D. | always use cross shape parameter |
| Answer» B. longitudinal control lines must be curved | |
| 4. |
As a designer our task is to generate fuselage through conic lofting method. If an intermediate C/S shape is elliptic then, what should be the appropriate value of conic shape parameter? |
| A. | 0.4142-0.5 |
| B. | 0.7 |
| C. | 0.8369 |
| D. | 1.2-1.5 |
| Answer» B. 0.7 | |
| 5. |
If distance between shoulder point and tangent point is much higher then, it will produce ____________ |
| A. | flat C/S shape |
| B. | circle shape only |
| C. | circle with diameter as distance |
| D. | circle of radius as distance between points |
| Answer» B. circle shape only | |
| 6. |
Typically, a fuselage is lofted by using 5-10 control station based on requirements of fuselage. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
As a designer we need to design a single engine fighter A/C having circular nozzle exhaust. Most appropriate control station for nozzle exhaust is ____________ |
| A. | circle with nozzle exhaust diameter |
| B. | square of circle diameter |
| C. | triangular |
| D. | elliptic shape |
| Answer» B. square of circle diameter | |
| 8. |
Define control station. |
| A. | Original cross-section used for longitudinal control lines |
| B. | Auxiliary lines |
| C. | Conic shape with circle only |
| D. | Elliptic contour only |
| Answer» B. Auxiliary lines | |
| 9. |
What do you mean by longitudinal control lines? |
| A. | Smooth lines which controls overall shape of the conic cross-section |
| B. | Lines which expands to vertical direction only |
| C. | Lines which go in horizontal direction only |
| D. | Line which can be expanded only in lateral direction |
| Answer» B. Lines which expands to vertical direction only | |
| 10. |
The purpose of the longitudinal control lines is __________ |
| A. | to connect end points, shoulder points and tangent point of different conic curves |
| B. | to connect tangent points at half distance only of same conic curve |
| C. | only to produce control of lifting lines of same curve |
| D. | to change lifting line slope |
| Answer» B. to connect tangent points at half distance only of same conic curve | |