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. |
The cell-centred arrangements are disadvantageous when we have ___________ |
| A. | Non-conjunctional and non-orthogonal elements |
| B. | Conjunctional and orthogonal elements |
| C. | Unstructured and non-orthogonal elements |
| D. | Structured and orthogonal elements |
| Answer» B. Conjunctional and orthogonal elements | |
| 2. |
Which of these is needed for a vertex-centred arrangement and not for cell-centred elements? |
| A. | Pre-defined shape functions |
| B. | Face-centroids |
| C. | Edge-centroids |
| D. | Cell-centroids |
| Answer» B. Face-centroids | |
| 3. |
Cell-centred FVM is __________ accurate. |
| A. | first-order |
| B. | second-order |
| C. | third-order |
| D. | fourth-order |
| Answer» C. third-order | |
| 4. |
Vertex-centred approach gives accurate solution for ___________ but not for _________ |
| A. | diffusion term, convection term |
| B. | source term, convection term |
| C. | convection term, diffusion term |
| D. | convection term, source term |
| Answer» E. | |
| 5. |
In vertex-centred arrangements, the variables at the vertices are only known. How is the variation of variables in these elements calculated? |
| A. | Interpolation profiles or Taylor series expansion |
| B. | Shape functions or Taylor series expansion |
| C. | Shape functions or interpolation profiles |
| D. | Shape functions or Fourier series expansion |
| Answer» D. Shape functions or Fourier series expansion | |
| 6. |
Consider a 3-D problem. Non-overlapping elements can be created by joining __________ |
| A. | face-centroids and edge-centroids |
| B. | cell-centroids and edge -centroids |
| C. | cell-centroids, face-centroids and edge-centroids |
| D. | cell-centroids and face-centroids |
| Answer» D. cell-centroids and face-centroids | |
| 7. |
Consider a 2-D finite volume problem. A vertex-centred arrangement is created by connecting the centroids of the elements sharing the vertex. What is the problem that may arise because of this arrangement? |
| A. | Unstructured elements |
| B. | Conjunctional elements |
| C. | Orthogonal elements |
| D. | Overlapping elements |
| Answer» E. | |
| 8. |
Dual cell or dual mesh method is used to __________ |
| A. | create boundary elements |
| B. | create elements around a vertex |
| C. | create cell-centred arrangement |
| D. | create boundary faces |
| Answer» C. create cell-centred arrangement | |
| 9. |
The variables are calculated at the __________ in the vertex-centred arrangements. |
| A. | element-edges |
| B. | face-centres |
| C. | centroids |
| D. | vertices |
| Answer» E. | |
| 10. |
What are the two possible variable arrangements for the finite volume method? |
| A. | Cell-centred and Vertex-centred |
| B. | Cell-centred and Face-centred |
| C. | Face-centred and Vertex-centred |
| D. | Face-centred and Boundary-centred |
| Answer» B. Cell-centred and Face-centred | |