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 velocity-corrections in the SIMPLER algorithm depends on ____________ |
| A. | pressure equation |
| B. | pressure-correction equation |
| C. | pressure corrections |
| D. | pressure values |
| Answer» D. pressure values | |
| 2. |
Which of these terms is not included in the pseudo-velocities? |
| A. | Pressures in the current and previous iterations |
| B. | Momentum sources |
| C. | Neighbouring velocities |
| D. | Coefficients of the current velocities |
| Answer» B. Momentum sources | |
| 3. |
The pseudo-velocities of the SIMPLER algorithm are obtained from _________ |
| A. | continuity equation in the PDE form |
| B. | discretized momentum equation |
| C. | discretized pressure equation |
| D. | discretized pressure-correction equation |
| Answer» C. discretized pressure equation | |
| 4. |
The source term in the pressure equation of the SIMPLER algorithm is obtained using ___________ |
| A. | velocities in the previous iteration |
| B. | pressure in the previous iteration |
| C. | pseudo-neighbours |
| D. | pseudo-velocities |
| Answer» E. | |
| 5. |
Which of these equations is used in the SIMPLER algorithm for updating the pressure values? |
| A. | Pressure-correction equation |
| B. | Discretized pressure equation |
| C. | Momentum equation |
| D. | Continuity equation |
| Answer» B. Discretized pressure equation | |
| 6. |
Which of these is correct about the SIMPLER algorithm? |
| A. | Velocity is obtained without any correction |
| B. | Velocity is obtained using the pressure values and the continuity equation |
| C. | Prediction-correction is used for the velocity field |
| D. | Velocity is obtained using the pressure values and the momentum equation |
| Answer» D. Velocity is obtained using the pressure values and the momentum equation | |
| 7. |
The equation for pressure of the SIMPLER algorithm is obtained using _________ |
| A. | continuity equation in the PDE form |
| B. | discretized continuity equation |
| C. | momentum equation in the PDE form |
| D. | discretized momentum equation |
| Answer» C. momentum equation in the PDE form | |
| 8. |
What is the disadvantage of using the SIMPLE algorithm over the SIMPLER one? |
| A. | The pressure field does not satisfy the momentum equation |
| B. | The pressure field does not satisfy the continuity equation |
| C. | The velocity field does not satisfy the continuity equation |
| D. | The velocity field does not satisfy the momentum equation |
| Answer» E. | |
| 9. |
What is the difference between the SIMPLE and the SIMPLER algorithms? |
| A. | No velocity-correction equation |
| B. | No relaxation factor |
| C. | Pressure is directly calculated |
| D. | No pressure-correction equation |
| Answer» D. No pressure-correction equation | |
| 10. |
What does the R in the SIMPLER algorithm stand for? |
| A. | Rewritten |
| B. | Revised |
| C. | Republished |
| D. | Refresh |
| Answer» C. Republished | |