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 variation of the size of a cell from an optimal cell size is its __________ |
| A. | centroid |
| B. | structure |
| C. | orthogonality |
| D. | skewness |
| Answer» E. | |
| 2. |
The aspect ratio of each element should be ___________ |
| A. | less than one |
| B. | equal to one |
| C. | around one |
| D. | greater than one |
| Answer» D. greater than one | |
| 3. |
In a two-dimensional flow, the algebraic equation of an element relates the element with ___________ |
| A. | its face centres |
| B. | its vertices |
| C. | its faces |
| D. | its neighbours |
| Answer» E. | |
| 4. |
Element connectivity is responsible for ___________ |
| A. | consistency of the fluxes of different elements |
| B. | consistency of the equations formed for different elements |
| C. | flow field variables |
| D. | gradient of the flow field variables |
| Answer» C. flow field variables | |
| 5. |
Which of these establish a one-to-one relationship between two elements? |
| A. | Face |
| B. | Node |
| C. | Vertex |
| D. | Element |
| Answer» B. Node | |
| 6. |
Vertex connectivity is important while __________ |
| A. | solving the discretized equation |
| B. | discretizing |
| C. | post-processing |
| D. | pre-processing |
| Answer» D. pre-processing | |
| 7. |
Which of these points is shared by the maximum number of elements? |
| A. | Grid point |
| B. | Cell centre |
| C. | Face centre |
| D. | Vertex |
| Answer» E. | |
| 8. |
In the boundary faces, the normal vector points _____________ |
| A. | to the owner element |
| B. | outside the domain |
| C. | in the direction of the flux |
| D. | in the direction opposite to the flux |
| Answer» C. in the direction of the flux | |
| 9. |
The direction of the normal vector to a face in mesh ____________ |
| A. | is from the owner element to the neighbour element |
| B. | is from the neighbour element to the owner element |
| C. | is in the direction of the flux |
| D. | is in the direction opposite to the flux |
| Answer» B. is from the neighbour element to the owner element | |
| 10. |
Which of these is related to the flux terms? |
| A. | Element connectivity |
| B. | Node connectivity |
| C. | Face connectivity |
| D. | Vertex connectivity |
| Answer» D. Vertex connectivity | |