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This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.
1. |
What happens to the shock wave when the cone angle is less than the maximum cone angle? |
A. | Oblique shock formation does not occur |
B. | Shock wave becomes detached |
C. | Shock wave is attached to the cone |
D. | There is formation of normal shock wave |
Answer» D. There is formation of normal shock wave | |
2. |
Where does the flow remain supersonic in a conical surface? |
A. | Between the oblique shock and the sonic line |
B. | Between the oblique shock and the conical surface |
C. | Between the sonic line and the conical surface |
D. | Flow is not supersonic beyond the oblique shock |
Answer» B. Between the oblique shock and the conical surface | |
3. |
The flow is parallel behind the shock wave in a cone. |
A. | True |
B. | False |
Answer» C. | |
4. |
How are the streamlines for a conical flow behind a shock wave? |
A. | Parallel throughout |
B. | Curved at the beginning, parallel as surface tends to infinity |
C. | Curved till surface tends to infinity |
D. | Conical |
Answer» C. Curved till surface tends to infinity | |
5. |
What is the relation between maximum allowed cone angle and wedge angle for attached shock wave? |
A. | (θmax)wedge = (θmax)cone |
B. | (θmax)wedge > (θmax)cone |
C. | (θmax)wedge < (θmax)cone |
D. | (θmax)wedge ≈ (θmax)cone |
Answer» C. (θmax)wedge < (θmax)cone | |
6. |
The shock wave present on the cone is weaker than the one on the wedge for a particular angle. |
A. | True |
B. | False |
Answer» B. False | |
7. |
Under which condition do we get the detached shock wave on a cone? |
A. | θc = θcmax |
B. | θc > θcmax |
C. | θc = 0 |
D. | θc = infinty |
Answer» C. θc = 0 | |
8. |
For a given cone angle and freestream Mach number, how many oblique shock(s) is/are present? |
A. | 1 |
B. | 2 |
C. | 4 |
D. | Infinity |
Answer» C. 4 | |