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. |
In case of a two-dimensional element, which of these will serve as the face area? |
| A. | Distance of the connecting line |
| B. | Area of the element |
| C. | Unit area |
| D. | Volume of the element |
| Answer» B. Area of the element | |
| 2. |
Which of these formulae is used to calculate the centroid of a polyhedron? |
| A. | \(\sum_{n=1}^{No. \, of \,pyramids}Centroid_n×Volume_n\) |
| B. | \(\frac{\sum_{n=1}^{No. \,of \,pyramids}Centroid_n×Volume_n}{\sum_{n=1}^{No. \, of \,pyramids}Volume_n}\) |
| C. | \(\frac{\sum_{n=1}^{No. \,of\, pyramids}Centroid_n×Volume_n}{Volume_n} \) |
| D. | \(\frac{\sum_{n=1}^{No. \,of \,pyramids}Centroid_n×Volume_n}{Centroid_n} \) |
| Answer» C. \(\frac{\sum_{n=1}^{No. \,of\, pyramids}Centroid_n×Volume_n}{Volume_n} \) | |
| 3. |
The centroid of the polyhedron is ___________ |
| A. | the summation of the centroids of the pyramids |
| B. | the arithmetic mean of the centroids of the pyramids |
| C. | the weighted average of centroids of the pyramids |
| D. | the Pythagorean mean of centroids of the pyramids |
| Answer» D. the Pythagorean mean of centroids of the pyramids | |
| 4. |
The apex of the sub-element while calculating the volume of a polyhedron is ____________ |
| A. | its centre of mass |
| B. | its centre of gravity |
| C. | its centroid |
| D. | its geometric centre |
| Answer» E. | |
| 5. |
To find the volume and centroid of a polyhedral, it is divided into ____________ |
| A. | Quadrilaterals |
| B. | Pyramids |
| C. | Polygons |
| D. | Hexahedrons |
| Answer» C. Polygons | |
| 6. |
Each face of a hexahedron is __________ |
| A. | Cuboid |
| B. | Cube |
| C. | Triangle |
| D. | Quadrilateral |
| Answer» E. | |
| 7. |
Which of these three-dimensional elements has faces as a mixture of two shapes? |
| A. | Tetrahedron |
| B. | Prism |
| C. | Hexahedron |
| D. | Octahedron |
| Answer» C. Hexahedron | |
| 8. |
The general shape of a 3-D element is __________ |
| A. | Quadrilateral |
| B. | Tetrahedral |
| C. | Polyhedron |
| D. | Polygon |
| Answer» D. Polygon | |
| 9. |
What is the shape of a tetrahedral element’s face? |
| A. | Cuboid |
| B. | Cube |
| C. | Triangle |
| D. | Quadrilateral |
| Answer» D. Quadrilateral | |
| 10. |
What is the minimum number of vertices that a 3-D element can have? |
| A. | 6 vertices |
| B. | 5 vertices |
| C. | 3 vertices |
| D. | 4 vertices |
| Answer» E. | |