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. |
Which is the input part of a CFD problem? |
| A. | Post-processing |
| B. | Flow visualization |
| C. | Pre-processing |
| D. | Solving |
| Answer» D. Solving | |
| 2. |
The step – specification of boundary conditions – in CFD comes under ________________ |
| A. | Post-processing |
| B. | Solving |
| C. | Discretizing |
| D. | Pre-processing |
| Answer» E. | |
| 3. |
Which of these will fall into the post-processing category? |
| A. | Definition of boundary conditions |
| B. | Grid generation |
| C. | Flow visualization |
| D. | Discretization |
| Answer» D. Discretization | |
| 4. |
Validation of a CFD code requires information about ____________ |
| A. | Boundary conditions |
| B. | Domain |
| C. | Grids |
| D. | Cells |
| Answer» B. Domain | |
| 5. |
CFD packages solve the algebraic equations of flow using ____________ method. |
| A. | Direct |
| B. | Iterative |
| C. | Analytical |
| D. | Trial and error |
| Answer» C. Analytical | |
| 6. |
The solution of a flow problem is defined at discrete points in the domain is called as _________ |
| A. | Elements |
| B. | Cells |
| C. | Grids |
| D. | Nodes |
| Answer» E. | |
| 7. |
Which of these could be an optimal mesh? |
| A. | Non-uniform |
| B. | Uniform |
| C. | Grids with increasing lengths |
| D. | Grids with decreasing lengths |
| Answer» B. Uniform | |
| 8. |
Over 50% of the time spent in the industry on a CFD project is devoted to the definition of the domain geometry and grid generation. Which one will be the reason for this? |
| A. | More grids will give better results |
| B. | Calculation time is directly proportional to the number of cells |
| C. | To generate non-uniform grids |
| D. | To generate an optimal grid which is a compromise between desired accuracy and solution cost |
| Answer» E. | |
| 9. |
The region of interest for analysis in CFD is called as _______________ |
| A. | Cell |
| B. | Domain |
| C. | Mesh |
| D. | Grid |
| Answer» C. Mesh | |
| 10. |
Which of these will not come under the three main elements of CFD packages? |
| A. | Pre-processor |
| B. | Post-processor |
| C. | Code creator |
| D. | Solver |
| Answer» D. Solver | |