MCQOPTIONS
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MCQOPTIONS
This section includes 11 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 the application of method of characteristics? |
| A. | Optimizing the wing |
| B. | Designing the compressor |
| C. | Designing contour of nozzle |
| D. | Optimizing the shape of the fuselage |
| Answer» D. Optimizing the shape of the fuselage | |
| 2. |
Method of characteristics is applicable for which of these flows? |
| A. | Inviscid, subsonic flow |
| B. | Steady, supersonic flow |
| C. | Unsteady, subsonic flow |
| D. | Unsteady supersonic flow |
| Answer» C. Unsteady, subsonic flow | |
| 3. |
What is the cause of truncation error in numerical solution? |
| A. | Neglecting higher order terms |
| B. | Rounding number to significant figure |
| C. | Solving nonlinear equation |
| D. | Incoherent boundary conditions |
| Answer» B. Rounding number to significant figure | |
| 4. |
Which grid is used to find the flow field properties using finite difference solutions? |
| A. | Rectangular grid |
| B. | Non – rectangular grid |
| C. | Square grid |
| D. | Circular grid |
| Answer» B. Non – rectangular grid | |
| 5. |
The Riemann invariants are constant along the characteristic line. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
What is the slope of the right running wave characteristic equation? |
| A. | u + a |
| B. | u – a |
| C. | 2u |
| D. | 2a |
| Answer» B. u – a | |
| 7. |
Which of these is the compatibility equation along C– characteristic line? |
| A. | du + \(\frac {dp}{ρa}\) = 0 |
| B. | du – \(\frac {dp}{ρa}\) = 0 |
| C. | \(\frac {dpu}{ρa}\) = 0 |
| D. | \(\frac {du}{ρa}\) = 0 |
| Answer» C. \(\frac {dpu}{ρa}\) = 0 | |
| 8. |
What causes ‘round off’ error in numerical solution? |
| A. | Finite grid points |
| B. | Rounding number to a significant figure |
| C. | Solving nonlinear equation |
| D. | Incoherent boundary conditions |
| Answer» C. Solving nonlinear equation | |
| 9. |
The numerical solution results in certain amount of truncation error. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Which of these methods is employed to find solution using method of characteristics? |
| A. | Taylor series |
| B. | Fourier series |
| C. | McLaurin series |
| D. | Laurent series |
| Answer» B. Fourier series | |
| 11. |
For which of these flows is methods of characteristics limited to? |
| A. | Inviscid flow |
| B. | Viscous flow |
| C. | One – dimensional flow |
| D. | Quasi – two – dimensional flow |
| Answer» B. Viscous flow | |