MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If a cone with half angle 30.2 degrees is kept in a flow at Mach number 3.5, then what is the value of Mach number downstream of the shockwave? |
| A. | 1.110 |
| B. | 2.482 |
| C. | 1.648 |
| D. | 3.45 |
| Answer» D. 3.45 | |
| 2. |
The flow properties remain constant in a conical flow over which of the following? |
| A. | Ray from a vertex |
| B. | Along the axis |
| C. | Along the conical base |
| D. | Interior of the conical surface |
| Answer» B. Along the axis | |
| 3. |
What happens to the velocity downstream of the shock as the deflection angle increases? |
| A. | Remains same |
| B. | Increases |
| C. | Decreases |
| D. | Tends to infinity |
| Answer» D. Tends to infinity | |
| 4. |
What information does the shock polar provide? |
| A. | Oblique shock properties |
| B. | Normal shock properties |
| C. | Shock angle |
| D. | Intensity of shock |
| Answer» B. Normal shock properties | |
| 5. |
What is the shape of the shock wave formed over a cone in a supersonic flow? |
| A. | Normal shock |
| B. | Conical shock |
| C. | Straight shock |
| D. | Triangular shock |
| Answer» C. Straight shock | |
| 6. |
What is the application of studying conical flow? |
| A. | Re-entry shuttle |
| B. | Boeing A 320 |
| C. | Flow over flat plate in wind tunnel |
| D. | Hot air balloon |
| Answer» B. Boeing A 320 | |
| 7. |
For a wedge and cone of same half angle, the shock wave formed at the cone is weaker. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
3D relieving effect is a consequence of which of these flows? |
| A. | Flow over a wedge |
| B. | Flow over a flat plate |
| C. | Flow over a cone |
| D. | Flow over a flat plate kept at 90 degrees |
| Answer» D. Flow over a flat plate kept at 90 degrees | |
| 9. |
The flow stream behind the shock in a conical flow is parallel to the conical surface. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Conical flow is an example of which of these flows? |
| A. | Axisymmetric flow |
| B. | Two dimensional flow |
| C. | Flow symmetrical about x z plane |
| D. | One dimensional flow |
| Answer» B. Two dimensional flow | |