MCQOPTIONS
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MCQOPTIONS
This section includes 8 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 correct for a QUICK scheme? |
| A. | False diffusion is zero |
| B. | False diffusion is small |
| C. | False diffusion is big |
| D. | False diffusion is infinity |
| Answer» C. False diffusion is big | |
| 2. |
Which of these is correct about the QUICK scheme? |
| A. | Stable and bounded |
| B. | Stable and unbounded |
| C. | Unstable and bounded |
| D. | Unstable and unbounded |
| Answer» E. | |
| 3. |
What is the first term of the truncation error of the QUICK scheme? |
| A. | ( frac{1}{16} ( Delta x)^2 phi_C ) |
| B. | ( frac{1}{16} ( Delta x)^3 phi_C ) |
| C. | ( frac{1}{16} ( Delta x)^3 phi_C^{iv} ) |
| D. | ( frac{1}{16} ( Delta x)^2 phi_C^{iv} ) |
| Answer» D. ( frac{1}{16} ( Delta x)^2 phi_C^{iv} ) | |
| 4. |
How many terms does the discretized form of source-free 1-D convection problem modelled using the QUICK scheme has? |
| A. | 3 |
| B. | 5 |
| C. | 2 |
| D. | 4 |
| Answer» C. 2 | |
| 5. |
What is the order of accuracy of the QUICK scheme? |
| A. | second-order |
| B. | first-order |
| C. | fourth-order |
| D. | third-order |
| Answer» B. first-order | |
| 6. |
According to the QUICK scheme, the flow variable ( ) is given by ____(Note: U, D and C represents the upwind, downwind and the central nodes respectively). |
| A. | ( phi= phi_U+ frac{(x-x_D)(x-x_C)}{(x_D-x_U)(x_D-x_C)}( phi_D- phi_U)+ frac{(x-x_U)(x-x_D)}{(x_C-x_U)(x_C-x_D )}( phi_C- phi_U) ) |
| B. | ( phi= phi_U+ frac{(x-x_D)(x-x_C)}{(x_D-x_U)(x_D-x_C)}( phi_D- phi_U)+ frac{(x-x_C)(x-x_D)}{(x_C-x_U)(x_C-x_D )}( phi_C- phi_U) ) |
| C. | ( phi= phi_U+ frac{(x-x_U)(x-x_C)}{(x_D-x_U)(x_D-x_C)}( phi_D- phi_U)+ frac{(x-x_C)(x-x_D)}{(x_C-x_U )(x_C-x_D)}( phi_C- phi_U) ) |
| D. | ( phi= phi_U+ frac{(x-x_U )(x-x_C )}{(x_D-x_U)(x_D-x_C)}( phi_D- phi_U)+ frac{(x-x_U)(x-x_D)}{(x_C-x_U)(x_C-x_D)}( phi_C- phi_U) ) |
| Answer» E. | |
| 7. |
Which is correct about the QUICK scheme? |
| A. | A two-point upwind biased interpolation |
| B. | A three-point upwind biased interpolation |
| C. | A three-point downwind biased interpolation |
| D. | A two-point downwind biased interpolation |
| Answer» C. A three-point downwind biased interpolation | |
| 8. |
What does QUICK stand for? |
| A. | Quadratic Upstream Interpolation for Convective Kinetics |
| B. | Quadratic Upstream Interval for Convective Kinetics |
| C. | Quadratic Upwind Interval for Convective Kinetics |
| D. | Quadratic Upwind Interpolation for Convective Kinetics |
| Answer» B. Quadratic Upstream Interval for Convective Kinetics | |