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 below diagram represents elliptic equations. The point ‘p’ is influenced by ___________ |
| A. | ab and bc |
| B. | ab and cd |
| C. | closed boundary abcd |
| D. | ab |
| Answer» D. ab | |
| 2. |
Which is an elliptic equation? |
| A. | Wave equation |
| B. | Transient heat conduction |
| C. | Transient heat convection |
| D. | Steady state heat conduction |
| Answer» E. | |
| 3. |
Which of these is the prototype elliptic equation? |
| A. | Incompressible irrotational flow |
| B. | Incompressible rotational flow |
| C. | Compressible irrotational flow |
| D. | Compressible rotational flow |
| Answer» B. Incompressible rotational flow | |
| 4. |
Which of these flows is mathematically elliptic? |
| A. | Transient viscous flow |
| B. | Steady viscous flow |
| C. | Steady inviscid flow |
| D. | Transient inviscid flow |
| Answer» C. Steady inviscid flow | |
| 5. |
The solution technique used to solve elliptic equations should ___________ |
| A. | allow each point to be influenced by its boundary-side neighbours |
| B. | allow each point to be influenced by its west neighbour |
| C. | allow each point to be influenced by its east neighbour |
| D. | allow each point to be influenced by all its neighbours |
| Answer» E. | |
| 6. |
Which of these statements is true for elliptic equations? |
| A. | The solution can be approximated in some of the points |
| B. | The solution can be marched from some initial conditions |
| C. | The solution at all points must be carried out simultaneously |
| D. | The solution process should be carried out simultaneously for some region and then marching can be done |
| Answer» D. The solution process should be carried out simultaneously for some region and then marching can be done | |
| 7. |
The solution of elliptic equations depends on ___________ |
| A. | one of its boundaries |
| B. | all its boundaries |
| C. | its opposite boundaries |
| D. | its adjacent boundaries |
| Answer» E. | |
| 8. |
Which of these are correct for an elliptic equation? |
| A. | There is no limited region of influence or domain of dependence |
| B. | There is no region of influence or domain of dependence |
| C. | There is no region of influence, but there exists a domain of dependence |
| D. | There is no domain of dependence, but there exists a region of influence |
| Answer» B. There is no region of influence or domain of dependence | |
| 9. |
Under which condition does the inviscid steady flow become elliptic? |
| A. | M=1 |
| B. | M<1 |
| C. | M>1 |
| D. | M>5 |
| Answer» C. M>1 | |
| 10. |
The characteristic curves for an elliptic system are ___________ |
| A. | real and imaginary |
| B. | both real |
| C. | both imaginary |
| D. | both zeros |
| Answer» D. both zeros | |