MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Computational Fluid Dynamics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Approximate the surface integral ∫Swf d\(\vec{S}\) using the Simpson’s rule. |
| A. | \(\frac{S_w}{6}\)(2fnw+2fw+2fsw) |
| B. | \(\frac{S_w}{4}\)(2fnw+2fsw) |
| C. | \(\frac{S_w}{6}\)(fnw+4fw+fsw) |
| D. | \(\frac{S_w}{4}\)(fnw+2fw+fsw) |
| Answer» D. \(\frac{S_w}{4}\)(fnw+2fw+fsw) | |
| 2. |
In a two dimensional flow, how many terms does Simpson’s rule need to approximate a surface integral? |
| A. | four terms |
| B. | one term |
| C. | two terms |
| D. | three terms |
| Answer» E. | |
| 3. |
Approximate the surface integral in the eastern face ∫Sefd\(\vec{S}\) of a two-dimensional problem using the trapezoidal rule. |
| A. | \(\frac{3}{2}\)(fne+fse) |
| B. | 3 \(\frac{S_e}{2}\)(fne+fse) |
| C. | \(\frac{1}{2}\)(fne+fse) |
| D. | \(\frac{S_e}{2}\) (fne+fse) |
| Answer» D. \(\frac{S_e}{2}\) (fne+fse) | |
| 4. |
Approximate the surface integral ∫Snfd\(\vec{S}\) using the midpoint rule. |
| A. | fn Sn |
| B. | Sn (fne+fnw) |
| C. | \(\frac{S_n}{2}\) (fne+fnw) |
| D. | \(\frac{S_n}{2}\) fn |
| Answer» B. Sn (fne+fnw) | |
| 5. |
Consider a two-dimensional flow. If f is the component of the flux vector normal to the control volume faces, which of these terms represent ∫Sfd\(\vec{S}\)? |
| A. | \(\Sigma_{k=1}^4 \int_{S_k} f d\vec{S}\) |
| B. | \(\Sigma_{k=1}^2 \int_{S_k} f d\vec{S}\) |
| C. | \(\Sigma_{k=1}^6 \int_{S_k} f d\vec{S}\) |
| D. | \(\Sigma_{k=1}^8 \int_{S_k} f d\vec{S}\) |
| Answer» B. \(\Sigma_{k=1}^2 \int_{S_k} f d\vec{S}\) | |