MCQOPTIONS
Saved Bookmarks
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 of these characteristics of the PISO algorithm match with the SIMPLE algorithm? |
| A. | No extra equation |
| B. | Extra equation |
| C. | Under-relaxation factor |
| D. | High convergence |
| Answer» D. High convergence | |
| 2. |
Which of these equations is solved by the PISO algorithm in the extra corrector step? |
| A. | Pressure-correction equation |
| B. | Pressure equation |
| C. | Continuity equation |
| D. | Momentum equation |
| Answer» E. | |
| 3. |
In which of these steps are the pressure-correction equations obtained in the PISO algorithm? |
| A. | The first predictor step |
| B. | The first corrector step |
| C. | The second predictor step |
| D. | The second corrector step |
| Answer» C. The second predictor step | |
| 4. |
The initial corrector step is used to __________ |
| A. | get a velocity field that satisfies the momentum equation |
| B. | get a velocity field that satisfies the continuity equation |
| C. | get a pressure field that satisfies the continuity equation |
| D. | get a pressure field that satisfies the momentum equation |
| Answer» C. get a pressure field that satisfies the continuity equation | |
| 5. |
The guessed velocities will satisfy the continuity equation when ___________ |
| A. | the pressure field is correct |
| B. | the pressure correction is correct |
| C. | the velocity correction is correct |
| D. | the pressure-correction equation satisfies the continuity equation |
| Answer» B. the pressure correction is correct | |
| 6. |
Which of these procedures is done in the predictor step of the discretized momentum equation? |
| A. | Initial guess for velocity and the first corrected pressure are obtained |
| B. | First corrected values of pressure and velocity are obtained |
| C. | Initial guesses for pressure and velocity are obtained |
| D. | Initial guess for pressure and the first corrected velocity are obtained |
| Answer» D. Initial guess for pressure and the first corrected velocity are obtained | |
| 7. |
How many predictor and corrector steps does the PISO algorithm involve? |
| A. | One predictor and one corrector steps |
| B. | Two predictor and one corrector steps |
| C. | Two predictor and two corrector steps |
| D. | One predictor and two corrector steps |
| Answer» E. | |
| 8. |
The PISO algorithm is first built for ___________ |
| A. | steady compressible flows |
| B. | unsteady compressible flows |
| C. | steady incompressible flows |
| D. | unsteady incompressible flows |
| Answer» C. steady incompressible flows | |
| 9. |
What does PISO stand for? |
| A. | Pressure Implicit with SIMPLE Operators |
| B. | Pressure Implicit with Settling of Operators |
| C. | Pressure Implicit with Splitting of Operators |
| D. | Pressure Indication with Splitting of Operators |
| Answer» D. Pressure Indication with Splitting of Operators | |