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. |
A twin turboprop engine is flying with 120m/s. Wing of the aircraft has span of 2m and lift co-efficient as 0.15 with aspect ratio as 9.2. Find the lift produced by the wing. |
| A. | 574.18 N |
| B. | 574.18 |
| C. | 120 N |
| D. | 620 N |
| Answer» B. 574.18 | |
| 2. |
Determine the corrections or otherwise of the following assertion [A] and reason [R]:
|
| A. | nReason[R]: For finite taper ratio, wing thickness will be different at root and tip. |
| B. | Both [A] and [R] are true and [R] is the correct reason for [A] |
| C. | Both [A] and [R] are true but [R] is not the correct reason for [A] |
| D. | [A] is true but [R] is false |
| E. | [A] is false but [R] is true |
| Answer» B. Both [A] and [R] are true and [R] is the correct reason for [A] | |
| 3. |
A jet fighter is operating at Mach number of 1.4. Wing chord is 1m then, find the location of aerodynamic centre. |
| A. | 0.4m |
| B. | 0.4 |
| C. | 0.8m |
| D. | 0.8 |
| Answer» B. 0.4 | |
| 4. |
If a sailplane is to be designed then, the aspect ratio of the sailplane will be ______ |
| A. | higher than military aircraft |
| B. | same as military aircraft |
| C. | lower than military aircraft |
| D. | exactly half of the military aircraft |
| Answer» B. same as military aircraft | |
| 5. |
A typical wing has aspect ratio of 7 and span of 2m. If taper ratio T = 0.2 then, find the value of root chord. |
| A. | 0.4761m |
| B. | 0.61m |
| C. | 0.81m |
| D. | 0.71cm |
| Answer» B. 0.61m | |
| 6. |
Wing aspect ratio is defined as _____ |
| A. | span square divided by reference area |
| B. | span square multiplied by reference area |
| C. | span square plus reference area |
| D. | span square |
| Answer» B. span square multiplied by reference area | |
| 7. |
Wing planform is affected by _____ |
| A. | sweep only |
| B. | aspect ratio, sweep angle, taper ratio |
| C. | aspect ratio only |
| D. | taper ratio only |
| Answer» C. aspect ratio only | |
| 8. |
A wing has root chord of 2m and taper ratio of 0.5. Determine what will be the value of tip chord? |
| A. | 1m |
| B. | 1.5m |
| C. | 1 |
| D. | 1.5 |
| Answer» B. 1.5m | |
| 9. |
If taper ratio is T and span is b with surface area as S then the root chord is _____ |
| A. | C<sub>root</sub> = 2*S / (b*(1+T)) |
| B. | C<sub>root</sub> = 2*S / (b*(3+T)) |
| C. | C<sub>root</sub> = 2*S / (2b*(1+T)) |
| D. | C<sub>root</sub> = 2*S / (1+T) |
| Answer» B. C<sub>root</sub> = 2*S / (b*(3+T)) | |
| 10. |
Wing and airfoil both are 3D phenomena. |
| A. | True |
| B. | False |
| Answer» C. | |