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. |
Which of these is a popular version of the ADI scheme? |
| A. | Operator splitting |
| B. | Approximate factorization |
| C. | ALU algorithm |
| D. | SIMPLE algorithm |
| Answer» C. ALU algorithm | |
| 2. |
The ADI scheme is particularly suitable for ____________ problems. |
| A. | parabolic and elliptic |
| B. | parabolic and hyperbolic |
| C. | hyperbolic |
| D. | parabolic |
| Answer» B. parabolic and hyperbolic | |
| 3. |
The order of accuracy of the ADI scheme in the x and y-directions are __________ and __________ |
| A. | second-order and first-order |
| B. | first-order and second-order |
| C. | second-order and second-order |
| D. | second-order and third-order |
| Answer» D. second-order and third-order | |
| 4. |
The order of accuracy of the ADI scheme in the time direction is ___________ |
| A. | third-order |
| B. | fourth-order |
| C. | first-order |
| D. | second-order |
| Answer» E. | |
| 5. |
If there are N grid points in both the x and y-directions, how many times does the ADI scheme use the Thomas algorithm? |
| A. | N/2 |
| B. | 2 |
| C. | N<sup>2</sup> |
| D. | 2N |
| Answer» E. | |
| 6. |
The second step of the ADI scheme is swept over __________ direction. |
| A. | both the x and y |
| B. | the x |
| C. | the y |
| D. | the time |
| Answer» D. the time | |
| 7. |
Which of these statements is correct about the first step of the ADI scheme? |
| A. | x-derivative is treated implicitly |
| B. | y-derivative is treated implicitly |
| C. | Time derivative is treated implicitly |
| D. | Thomas algorithm is not used |
| Answer» B. y-derivative is treated implicitly | |
| 8. |
The intermediate step of the ADI scheme is at __________ |
| A. | t+ ( frac{ Delta t}{3} ) |
| B. | t+ ( frac{ Delta t}{2} ) |
| C. | t- ( frac{ Delta t}{2} ) |
| D. | t+ ( frac{ Delta t}{4} ) |
| Answer» C. t- ( frac{ Delta t}{2} ) | |
| 9. |
How many steps does the Alternating Direction Implicit (ADI) scheme involve? |
| A. | One step |
| B. | Two steps |
| C. | Three steps |
| D. | Four steps |
| Answer» C. Three steps | |
| 10. |
Which of these is important while solving a system with implicit methods? |
| A. | Linearizing the difference equation |
| B. | Linearizing the partial differential equation |
| C. | Normalizing the difference equation |
| D. | Normalizing the partial differential equation |
| Answer» B. Linearizing the partial differential equation | |