MCQOPTIONS
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MCQOPTIONS
This section includes 9 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 not a type of boundary conditions in CFD? |
| A. | Cyclic boundary conditions |
| B. | Symmetry boundary conditions |
| C. | Wall boundary conditions |
| D. | Nodal boundary conditions |
| Answer» E. | |
| 2. |
Which of these is not a combination of Neumann and Dirichlet Boundary conditions? |
| A. | Cauchy boundary conditions |
| B. | Wall boundary conditions |
| C. | Mixed boundary conditions |
| D. | Robin boundary conditions |
| Answer» C. Mixed boundary conditions | |
| 3. |
Which among these is a combination of value specified and flux specified boundary conditions? |
| A. | Dirichlet |
| B. | Mixed |
| C. | Neumann |
| D. | Symmetry |
| Answer» C. Neumann | |
| 4. |
Initial conditions are used for __________ problems. |
| A. | time-dependent problems |
| B. | boundary value problems |
| C. | control volume problems |
| D. | finite difference problems |
| Answer» C. control volume problems | |
| 5. |
In Dirichlet boundary conditions, the flux values _________ |
| A. | can be calculated |
| B. | are unknowns |
| C. | are known |
| D. | are 0 |
| Answer» B. are unknowns | |
| 6. |
The Neumann and Dirichlet boundary conditions are _________ and _________ in mathematical terms. |
| A. | value specified, flux specified |
| B. | flux specified, value specified |
| C. | flux specified, gradient specified |
| D. | value specified, time specified |
| Answer» C. flux specified, gradient specified | |
| 7. |
Which of these best define the Dirichlet boundary conditions for the property at a point b in a boundary? |
| A. | ( frac{ partial^3 Phi}{ partial^3 x} ) |
| B. | ( frac{ partial^2 Phi}{ partial^2 x} ) |
| C. | ( frac{ partial Phi}{ partial x} ) |
| D. | <sub>b</sub> |
| Answer» E. | |
| 8. |
What are the two major types of boundary conditions? |
| A. | Wall and symmetry |
| B. | Inlet and outlet |
| C. | Dirichlet and Neumann |
| D. | Initial and physical |
| Answer» D. Initial and physical | |
| 9. |
Which among these is used to specify a particular problem which we consider for solving in CFD? |
| A. | Boundary conditions |
| B. | Governing equations |
| C. | Governing laws |
| D. | Solution method |
| Answer» B. Governing equations | |