MCQOPTIONS
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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. |
For small grid sizes, convergence is related to _________ |
| A. | truncation error |
| B. | stability |
| C. | consistency |
| D. | boundedness |
| Answer» B. stability | |
| 2. |
Which of these properties is not included in the Lax Equivalence Theorem? |
| A. | Stability |
| B. | Boundedness |
| C. | Consistency |
| D. | Convergence |
| Answer» C. Consistency | |
| 3. |
Which of these is related to convergence? |
| A. | Stopping criteria |
| B. | Peclet number |
| C. | Lax Equivalence Theorem |
| D. | Scarborough criteria |
| Answer» D. Scarborough criteria | |
| 4. |
Which of these statements is wrong? |
| A. | Convergence is applicable for iteration processes |
| B. | Convergence is affected by accuracy and efficiency |
| C. | Converged solutions do not vary much with further iterations |
| D. | Converged solutions are exact |
| Answer» E. | |
| 5. |
If the tolerance value to stop the iteration is too big, which of these properties will be affected? |
| A. | Accuracy |
| B. | Efficiency |
| C. | Stability |
| D. | Conservativeness |
| Answer» C. Stability | |
| 6. |
How is the tolerance of convergence decided? |
| A. | Based on stability and consistency |
| B. | Based on efficiency and accuracy |
| C. | Based on efficiency and consistency |
| D. | Based on consistency and accuracy |
| Answer» C. Based on efficiency and consistency | |
| 7. |
Convergence decides _________ |
| A. | the result of the numerical method |
| B. | the method of iteration |
| C. | the stability of the system |
| D. | when to stop the iterations |
| Answer» E. | |
| 8. |
In real, how is convergence defined? |
| A. | Variations are accepted |
| B. | When the variation is less than the result |
| C. | When the variation falls below a certain acceptable range |
| D. | When the variation is the same as the result |
| Answer» D. When the variation is the same as the result | |
| 9. |
A solution is ideally converged if _________ |
| A. | the results match with the exact solution |
| B. | the results for two consecutive iterations are the same |
| C. | the results for two schemes are the same |
| D. | the results for different boundary conditions are the same |
| Answer» C. the results for two schemes are the same | |
| 10. |
Convergence is defined for _________ |
| A. | Elimination method |
| B. | Iterative solvers |
| C. | Direct solvers |
| D. | Cramer’s method |
| Answer» B. Iterative solvers | |