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McqMate
Chapters
1. |
What is the full form of FEA |
A. | Fracture Element Analysis |
B. | Finite Element Analysis |
C. | Future Electronic Analysis |
D. | None of the above |
Answer» B. Finite Element Analysis |
2. |
From the following, which type of element is not two dimensional? |
A. | Tetrahedron |
B. | Quadrilateral |
C. | Parallelogram |
D. | Rectangle |
Answer» A. Tetrahedron |
3. |
For truss analysis, which type of elements is used? |
A. | Triangle |
B. | Parallelogram |
C. | Rectangle |
D. | Bar |
Answer» D. Bar |
4. |
To solve the FEM problem, it subdivides a large problem into smaller, simpler parts that are called |
A. | static elements |
B. | dynamic elements |
C. | infinite elements |
D. | finite elements |
Answer» D. finite elements |
5. |
The art of subdividing the structure into a convenient number of smaller elements is known as |
A. | discretization |
B. | assemblage |
C. | continuum |
D. | traction |
Answer» A. discretization |
6. |
The sum of the shape function is equal to |
A. | 0 |
B. | 0.5 |
C. | 1 |
D. | 2 |
Answer» C. 1 |
7. |
A triangular plane stress element has how many degrees of freedom? |
A. | 3 |
B. | 4 |
C. | 5 |
D. | 6 |
Answer» D. 6 |
8. |
Number of displacement polynomials used for an element depends on . |
A. | nature of element |
B. | type of an element |
C. | degrees of freedom |
D. | nodes |
Answer» C. degrees of freedom |
9. |
On gathering stiffness and loads, the system of equations is given by |
A. | KQ=F |
B. | KQ≠F |
C. | K=QF |
D. | K≠QF |
Answer» A. KQ=F |
10. |
The finite element method is mostly used in the field of |
A. | structural mechanics |
B. | classical mechanics |
C. | applied mechanics |
D. | engineering mechanics |
Answer» D. engineering mechanics |
11. |
In FEA, the sub domains are called as . |
A. | particles |
B. | molecules |
C. | elements |
D. | none |
Answer» C. elements |
12. |
The numbers of node for 1 D element are |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 0 |
Answer» B. 2 |
13. |
Finite element analysis deals with . |
A. | approximate numerical solution |
B. | non-boundary value problems |
C. | Laplace equations |
D. | All of the above |
Answer» A. approximate numerical solution |
14. |
Stiffness matrix depends on |
A. | material |
B. | geometry |
C. | both material and geometry |
D. | none of the above |
Answer» C. both material and geometry |
15. |
Example of 2-D Element is . |
A. | bar |
B. | triangle |
C. | hexahedron |
D. | tetrahedron |
Answer» B. triangle |
16. |
For 1-D bar elements if the structure is having 3 nodes then the stiffness matrix formed is having an order of |
A. | 2*2 |
B. | 3*3 |
C. | 4*4 |
D. | 6*6 |
Answer» B. 3*3 |
17. |
To find the nodal displacements in all parts of the element, are used. |
A. | shape function |
B. | node function |
C. | element function |
D. | coordinate function |
Answer» A. shape function |
18. |
The nature of loading at various locations and other surfaces conditions called |
A. | friction |
B. | traction |
C. | boundary condition |
D. | surfacing |
Answer» C. boundary condition |
19. |
The truss element can resist only |
A. | surface force |
B. | axial force |
C. | point load |
D. | none of the above |
Answer» B. axial force |
20. |
The truss element can deform only in the |
A. | vertical direction |
B. | horizontal direction |
C. | inclined direction |
D. | axial direction |
Answer» D. axial direction |
21. |
Example for one – Dimensional element is . |
A. | triangular element |
B. | brick element |
C. | truss element |
D. | axisymmetric element |
Answer» C. truss element |
22. |
The determinant of an element stiffness matrix is always |
A. | 3 |
B. | 2 |
C. | 1 |
D. | 0 |
Answer» D. 0 |
23. |
How many nodes are there in a 3-D brick element? |
A. | 3 |
B. | 6 |
C. | 8 |
D. | 9 |
Answer» C. 8 |
24. |
From below, choose the condition for the axisymmetric element. |
A. | Symmetric about axis |
B. | Boundary conditions are symmetric about an axis |
C. | Loading conditions are symmetric about an axis |
D. | All the above |
Answer» D. All the above |
25. |
Axis-Symmetric element is Element |
A. | 1D |
B. | 2D |
C. | 3D |
D. | 4D |
Answer» B. 2D |
26. |
is/are the phase/s of finite element method |
A. | Pre-processing |
B. | Solution |
C. | Post Processing |
D. | None |
Answer» C. Post Processing |
27. |
The minimum number of dimensions are required to define the position of a point in space is . |
A. | 3 |
B. | 4 |
C. | 1 |
D. | 2 |
Answer» A. 3 |
28. |
The finite element methods can be applied in ---------areas. |
A. | thermal |
B. | soil and rock mechanics |
C. | vibration |
D. | all of the above |
Answer» D. all of the above |
29. |
If the structure is more complex in order to simplify the model, we need to subdivide the structure into substructures. These substructures are termed as . |
A. | elements |
B. | modules |
C. | links |
D. | models |
Answer» B. modules |
30. |
Which of the following is not a method for calculation of the stiffness matrix? |
A. | The minimum potential energy principle |
B. | Galerkin's principle |
C. | Weighted residual method |
D. | Inverse matrix method |
Answer» D. Inverse matrix method |
31. |
is defined as the ratio of the largest dimension of the element to the smallest dimension. |
A. | Element depth ratio |
B. | Mode shape ratio |
C. | Aspect ratio |
D. | None of the above |
Answer» C. Aspect ratio |
32. |
are used to express the geometry or shape of the element |
A. | Mode shapes |
B. | Shape functions |
C. | Natural curves |
D. | None of the above |
Answer» B. Shape functions |
33. |
When a thin plate is subjected to loading in its own plane only, the condition is called _ |
A. | plane stress |
B. | plane strain |
C. | zero stress |
D. | zero strain |
Answer» A. plane stress |
34. |
The characteristic of the shape function is |
A. | the shape function has a unit value at one nodal point and zero value at the other nodes |
B. | the sum of the shape function is equal to one |
C. | both a & b |
D. | None of the above |
Answer» C. both a & b |
35. |
The points in the entire structure are defined using the coordinates system is known as |
A. | local coordinates system |
B. | natural coordinates system |
C. | global coordinate system |
D. | none of the above |
Answer» C. global coordinate system |
36. |
The applications of the Finite Element Method in two-dimensional analyses are . |
A. | stretching of plates |
B. | gravity of dams |
C. | axisymmetric shells |
D. | all of the above |
Answer» C. axisymmetric shells |
37. |
If the body is in a state of equilibrium then the energy is minimum. This statement is considered in . |
A. | inverse matrix method |
B. | weighted residual method |
C. | Galerkin’s principle |
D. | the minimum potential energy principle |
Answer» D. the minimum potential energy principle |
38. |
Which of the following is true for the stiffness matrix (K)? |
A. | K is a banded matrix |
B. | K is un-symmetric |
C. | K is an un-banded matrix |
D. | none of the above |
Answer» A. K is a banded matrix |
39. |
The actual thickness of plane strain element is . |
A. | very large |
B. | very small |
C. | assumed by software |
D. | any of the above |
Answer» A. very large |
40. |
Which of the following is not an FEA package? |
A. | ANSYS |
B. | Nastran |
C. | Abaqus |
D. | AutoCAD |
Answer» D. AutoCAD |
41. |
Which of the following module of FEA is used to determine natural frequency? |
A. | Static analysis |
B. | Thermal analysis |
C. | Modal analysis |
D. | All of the above |
Answer» C. Modal analysis |
42. |
For thermal analysis, the field variable is |
A. | stress |
B. | strain |
C. | displacement |
D. | Temperature |
Answer» D. Temperature |
43. |
In FEA of a fluid mechanics problem, we need to find . |
A. | stress distribution |
B. | heat flux distribution |
C. | pressure distribution |
D. | all of the above |
Answer» C. pressure distribution |
44. |
Crack propagation problems come under category. |
A. | steady-state problems |
B. | eigenvalue problems |
C. | transient problems |
D. | any of the above |
Answer» C. transient problems |
45. |
In penalty approach, rigid support is considered as a spring having stiffness. |
A. | zero |
B. | very small |
C. | very large |
D. | infinite |
Answer» D. infinite |
46. |
How many nodes are there in a tetrahedron element? |
A. | 3 |
B. | 4 |
C. | 5 |
D. | 6 |
Answer» B. 4 |
47. |
How many nodes are there in a hexahedron element? |
A. | 4 |
B. | 6 |
C. | 8 |
D. | 10 |
Answer» C. 8 |
48. |
How many nodes are there in a tetrahedron with curved sides element? |
A. | 6 |
B. | 8 |
C. | 10 |
D. | 12 |
Answer» C. 10 |
49. |
If the size of the elements is small, the final solution is expected to be accurate. |
A. | more |
B. | less |
C. | depends on other factors |
D. | can't say |
Answer» A. more |
50. |
In truss analysis, the reactions can be found by using the equation . |
A. | R=KQ+F |
B. | R=KQ-F |
C. | R=K+QF |
D. | R=K-QF |
Answer» B. R=KQ-F |
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