MCQOPTIONS
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MCQOPTIONS
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. |
Where is methods of characteristics used? |
| A. | Designing supersonic nozzle |
| B. | Designing fuselage’s bulkhead |
| C. | Computing optimum wing camber |
| D. | Designing diamond airfoil for supersonic flow |
| Answer» B. Designing fuselage’s bulkhead | |
| 2. |
If the flow conditions at point 1 near the nozzle wall is given, then what is the flow conditions at point 2 on the wall? |
| A. | ν2 = θ2 + θ1 – ν3 |
| B. | ν2 = θ2 – θ1 + ν3 |
| C. | ν2 = θ2 – θ1 |
| D. | ν2 = θ2 + θ1 |
| Answer» C. ν2 = θ2 – θ1 | |
| 3. |
If we know the value of θ1,ν1 at point 1 and θ2,ν2 in a flow, then what is the flow field condition at an internal point 3 lying at the intersection of characteristic lines passing from points 1 and 2? |
| A. | θ3 = \(\frac {(K_- )_1 + (K_+ )_2}{2}\) |
| B. | θ3 = \(\frac {(K_- )_1 + (K_+ )_3}{2}\) |
| C. | θ3 = \(\frac {(K_+ )_1 + (K_+ )_2 + (K_+ )_3}{2}\) |
| D. | θ3 = \(\frac {(K_- )_1 + (K_- )_2 + (K_- )_3}{2}\) |
| Answer» B. θ3 = \(\frac {(K_- )_1 + (K_+ )_3}{2}\) | |
| 4. |
K+ and K– constant along the characteristic lines related velocity to J+ and J– constants. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Which of these is not an application of a hodograph? |
| A. | Solution for method of characteristics |
| B. | Obtaining motion of celestial objects |
| C. | Swinging Artwood’s machine |
| D. | Determining temperature |
| Answer» E. | |
| 6. |
K+ and K– constant along the characteristic lines are analogous to the Reimann constants. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Which of these represents K+ constant along the C+ characteristic line? |
| A. | θ + ν(M) = const |
| B. | θ – ν(M) = const |
| C. | θ + 2ν(M) = const |
| D. | θ – 2ν(M) = const |
| Answer» B. θ – ν(M) = const | |
| 8. |
Which of these represent compatibility equation along C+ characteristic line? |
| A. | dθ = tan(θ – μ) |
| B. | dθ = \(\sqrt {M^2 + 1} \frac {dV}{V}\) |
| C. | dθ = \(\sqrt {M^2 – 1} \frac {dV}{V}\) |
| D. | dθ = tan(θ – μ)\(\frac {dV}{V}\) |
| Answer» D. dθ = tan(θ – μ)\(\frac {dV}{V}\) | |