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. |
While using the Picard iteration, how is the source term decomposed? |
| A. | q<sub> </sub>=b<sub>0</sub>+b<sub>1</sub> |
| B. | q<sub> </sub>=b<sub>0</sub> +b<sub>1</sub> <sup>2</sup> |
| C. | q<sub> </sub>=b<sub>0</sub> |
| D. | q<sub> </sub>=b<sub>0</sub>+b<sub>1</sub> <sup>2</sup> |
| Answer» B. q<sub> </sub>=b<sub>0</sub> +b<sub>1</sub> <sup>2</sup> | |
| 2. |
The non-linear terms like convection and source terms in a system are linearized using __________ |
| A. | Iterative gradient method |
| B. | Jacobi method |
| C. | Picard iteration |
| D. | Incomplete LU decomposition |
| Answer» D. Incomplete LU decomposition | |
| 3. |
When evaluation of the derivative of the non-linear function is not possible, which method is used? |
| A. | Newton s method |
| B. | Global method |
| C. | Jacobi method |
| D. | Secant method |
| Answer» E. | |
| 4. |
Which of these creates a problem in Newton s method for solving non-linear system of equations? |
| A. | Taylor series |
| B. | Jacobian |
| C. | Convergence |
| D. | Speed |
| Answer» C. Convergence | |
| 5. |
Newton s method linearizes the function using ___________ |
| A. | McLaurin series |
| B. | Laurent series |
| C. | Taylor series |
| D. | Fourier series |
| Answer» D. Fourier series | |
| 6. |
The master method for solving the non-linear system of equations is __________ |
| A. | Newton s method |
| B. | Global method |
| C. | Jacobi method |
| D. | Gradient method |
| Answer» B. Global method | |
| 7. |
In solving non-linear systems, there is a trade-off between ___________ and ___________ |
| A. | speed and stability |
| B. | speed and security |
| C. | stability and convergence |
| D. | stability and error |
| Answer» C. stability and convergence | |
| 8. |
For solving for a single unknown in sequential solvers ____________ is used. |
| A. | Direct solver |
| B. | LU decomposition |
| C. | Elimination method |
| D. | Iterative solver |
| Answer» E. | |
| 9. |
In sequential methods for solving coupled equations, except the variable for which the equations are solved, the other variables are treated as ___________ |
| A. | zeros |
| B. | unknowns |
| C. | known values |
| D. | ones |
| Answer» D. ones | |
| 10. |
When coupled equations are ___________ sequential solutions are used. |
| A. | linear and highly coupled |
| B. | non-linear and uncoupled |
| C. | linear and uncoupled |
| D. | non-linear and highly coupled |
| Answer» B. non-linear and uncoupled | |