MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Finite Element Method knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In Finite Element Method (FEM), choose the incorrect option regarding to the dimensions (mm) of elements in a finite element mesh? |
| A. | Elements with very large aspect ratios are avoided |
| B. | Elements with small angles are undesired |
| C. | The coefficient matrices in finite element equations depend on dimensions of elements |
| D. | Rectangular elements with high aspect ratio are preferred |
| Answer» E. | |
| 2. |
To discretize a domain using rectangular elements, if the aspect ratio is to be limited to 10, which dimension (mm) of rectangular element gives finest mesh? |
| A. | 1 0.5 |
| B. | 1.1 0.1 |
| C. | 0.11 0.01 |
| D. | 0.1 0.05 |
| Answer» E. | |
| 3. |
In Finite Element Method (FEM), for discretization purpose in general, which optionis not true for mesh refinement? |
| A. | Previous meshes should be contained in the refined mesh |
| B. | Any point in the body can be included within an arbitrarily small element at any stage of the mesh refinement |
| C. | The same order of approximation for the solution may be preserved through all stages of the refinement process |
| D. | Elements with very large aspect ratios are desired |
| Answer» E. | |
| 4. |
In Finite Element Method (FEM), for discretization purpose in general, which 2D element is an undesired one? |
| A. | An equilateral triangle of side 5 units |
| B. | A quadrilateral |
| C. | A rhombus of side 10 units |
| D. | A rectangle of dimensions 100 1 |
| Answer» E. | |
| 5. |
In Finite Element Method (FEM), for discretization purpose in general, a refined mesh is employed in areas where changes in geometry, boundary conditions, loading, material properties or solution are present. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
In Finite Element Method (FEM), In order to increase accuracy of a solution, while domain discretization, more than one node is to be placed at a point source. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
In Finite Element Method (FEM), While domain discretization, at which of the following geometrical cases a node is not required? |
| A. | Change in cross-section area only |
| B. | Change in cross-section only |
| C. | Change in cross section area as well as change in cross-section |
| D. | No change |
| Answer» E. | |
| 8. |
In Finite Element Method (FEM), Mesh convergence is a measure of the number of _____ required in a model to ensure that the results of an analysis are not affected by changing the size of the _____ |
| A. | elements, mesh |
| B. | nodes, mesh |
| C. | nodes, element |
| D. | degrees of freedom, element |
| Answer» B. nodes, mesh | |
| 9. |
In Finite Element Method (FEM), which option is not correct with respect to discretization or mesh generation? |
| A. | Density of elements depends on the degree of accuracy desired |
| B. | Choice of element type may depend on the geometry of domain |
| C. | For better accuracy correct formulae has to be applied |
| D. | Some general rules govern mesh generation |
| Answer» D. Some general rules govern mesh generation | |