MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Computational Fluid Dynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Quadratic interpolation results in conservation problems. Why? |
| A. | Their physical problem is non-conservative |
| B. | They involve quadratic equations |
| C. | They are higher order schemes |
| D. | Interpolation curves vary at the face |
| Answer» E. | |
| 2. |
Which of these higher-order schemes is conservative? |
| A. | Upwind |
| B. | TVD |
| C. | QUICK |
| D. | Power law scheme |
| Answer» D. Power law scheme | |
| 3. |
Which of these schemes ensure conservativeness? |
| A. | Central differencing |
| B. | Upwind differencing |
| C. | TVD scheme |
| D. | Quadratic schemes |
| Answer» B. Upwind differencing | |
| 4. |
Non-conservative schemes produce ___________ |
| A. | artificial radiation |
| B. | artificial diffusion |
| C. | artificial convection |
| D. | artificial source or sink |
| Answer» E. | |
| 5. |
For a system with a source or sink to be conservative, which of these is correct? |
| A. | The total source or sink in the domain is divided equally between the elements |
| B. | The total source or sink in the domain is equal to the net flux through the boundaries |
| C. | The total source or sink in the domain is not considered for checking conservativeness |
| D. | Flux leaving the face of one element is equal to the flux entering the neighbouring element |
| Answer» C. The total source or sink in the domain is not considered for checking conservativeness | |
| 6. |
Which of these methods is usually conservative? |
| A. | Finite Difference Method |
| B. | Finite Element Method |
| C. | Finite Volume Method |
| D. | Iterative Method |
| Answer» D. Iterative Method | |
| 7. |
Non-conservative schemes can be consistent and stable if ____________ |
| A. | grid is fine |
| B. | grid is coarse |
| C. | solution converges |
| D. | solution is bounded |
| Answer» B. grid is coarse | |
| 8. |
Conservation of the system leaves a limitation to the __________ |
| A. | stability |
| B. | solution error |
| C. | convergence |
| D. | boundedness |
| Answer» C. convergence | |
| 9. |
The flux of one element must have _________ to the flux of the neighbouring element. |
| A. | different magnitude and equal sign |
| B. | different magnitude and opposite sign |
| C. | equal magnitude and equal sign |
| D. | equal magnitude and opposite sign |
| Answer» E. | |
| 10. |
Conservation of the flow properties should be ensured in __________ |
| A. | both the global and local domains |
| B. | the global domain only |
| C. | the local domain only |
| D. | the global domain and optionally in the local domain |
| Answer» B. the global domain only | |