MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
In the Normalized Variable Diagram (NVD), all the second-order and third-order schemes pass through the point ________________ |
| A. | (0,1) |
| B. | (0.5,0.5) |
| C. | (0.5, 0.75) |
| D. | (1,1) |
| Answer» D. (1,1) | |
| 2. |
Plotting the QUICK scheme in the ( ( tilde{ phi_c}, tilde{ phi_f} )) plane, the profile will be ____(Note: ( tilde{ phi_c} ,and , tilde{ phi_f} ) are the normalized flow variable at the upwind node and at the face respectively). |
| A. | quadratic line |
| B. | straight line |
| C. | curved line |
| D. | a parabola |
| Answer» C. curved line | |
| 3. |
What is the normalized flow variable at the face ( ( tilde{ phi_f} )) for the upwind and downwind schemes respectively?(Note: ( tilde{ phi_c} ) is the normalized flow variable at the upwind node). |
| A. | 1 and 0 |
| B. | 1 and ( tilde{ phi_c} ) |
| C. | 0 and 1 |
| D. | ( tilde{ phi_c} ) and 1 |
| Answer» E. | |
| 4. |
If ( tilde{ phi_c}<0 ,or , tilde{ phi_c}>1 ), what does it mean?(Note: ( tilde{ phi_c} ) is the normalized flow variable at the upwind node). |
| A. | Maximum at c |
| B. | Minimum at c |
| C. | Extremum at c |
| D. | Global minimum at c |
| Answer» D. Global minimum at c | |
| 5. |
Which of these conditions represent a monotonic profile of variable between the far upwind node and downwind node?(Note: ( tilde{ phi_c} ) is the normalized flow variable at the upwind node). |
| A. | (1 leq tilde{ phi_c} leq ) |
| B. | (0 leq tilde{ phi_c} leq 1 ) |
| C. | (0 leq tilde{ phi_c} leq 0.5 ) |
| D. | (0.5 leq tilde{ phi_c} leq 1 ) |
| Answer» C. (0 leq tilde{ phi_c} leq 0.5 ) | |
| 6. |
What are the normalized values of the variables d (downwind) and u (far upwind)? |
| A. | 1 and 0 |
| B. | 0 and |
| C. | 1 and |
| D. | 0 and 1 |
| Answer» B. 0 and | |
| 7. |
The NVF approach does not rely on _____________ |
| A. | far downwind node |
| B. | far upwind node |
| C. | upwind node |
| D. | downwind node |
| Answer» B. far upwind node | |
| 8. |
The Normalized Variable Formulation (NVF) is used to ___________ |
| A. | describe and analyse temporal schemes |
| B. | describe and analyse high-resolution schemes |
| C. | visualize high-resolution schemes |
| D. | visualize temporal scheme |
| Answer» C. visualize high-resolution schemes | |