MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Why do cargo aircrafts make use of supercritical airfoil? |
| A. | Better takeoff and landing performance |
| B. | No vortex formation |
| C. | More fuel carrying capacity in thicker airfoil |
| D. | Thinner airfoil resulting in less wing weight |
| Answer» B. No vortex formation | |
| 2. |
Supercritical wings are characterized as high-lifting wings. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Why does the trailing edge of a supercritical airfoil have a cusp-like shape? |
| A. | Reduce drag |
| B. | Counter highly negative camber at the front end |
| C. | Counter highly positive camber at the front end |
| D. | Increase fuel carrying capacity in the wing |
| Answer» C. Counter highly positive camber at the front end | |
| 4. |
How is supercritical airfoil different from the NACA 64 series airfoil? |
| A. | Thinner airfoil |
| B. | Less cambered |
| C. | Flatter top surface |
| D. | Flatter lower surface |
| Answer» D. Flatter lower surface | |
| 5. |
What is the purpose of supercritical airfoil? |
| A. | Reduce critical Mach number |
| B. | Increase drag divergence Mach number |
| C. | Reduce drag divergence Mach number |
| D. | Increase lift of the airfoil at supersonic speed |
| Answer» C. Reduce drag divergence Mach number | |
| 6. |
What is the reason for a sudden increase in drag beyond drag divergence? |
| A. | Transonic region on top surface of the airfoil |
| B. | Supersonic region on top and bottom region of the airfoil |
| C. | Prandt- Glauert compressibility effect |
| D. | The shape of the airfoil |
| Answer» C. Prandt- Glauert compressibility effect | |
| 7. |
High speed subsonic aircrafts are designed with thick airfoil wings. |
| A. | True |
| B. | False |
| Answer» C. | |