1. What is the reason for an element in the Serendipity family to have a smaller size of stiffness matrix compare to a similar element in the Lagrange family?
Answer
Correct Answer:
Third-order Lagrange element has fifteen nodes
Note: This Question is unanswered, help us to find answer for this one
2. Which nodes of the higher-order elements of the Lagrange family do not contribute to the inter-element connectivity?
Answer
Correct Answer:
Interior nodes
Note: This Question is unanswered, help us to find answer for this one
3. What is the number of nodes present on the boundary of the Lagrange quadratic rectangular element used in FEM?
Answer
Correct Answer:
8
Note: This Question is unanswered, help us to find answer for this one
4. Which option is not correct about the Lagrange rectangular element used in FEM?
Answer
Correct Answer:
Third-order Lagrange element has fifteen nodes
Note: This Question is unanswered, help us to find answer for this one
5. In FEM, what are the elements in which the same shape functions describe the geometry and field displacement variables?
Answer
Correct Answer:
Iso-parametric
Note: This Question is unanswered, help us to find answer for this one
6. In FEM, which option is used to develop the Higher-order rectangular elements (i.e., rectangular elements with interpolation functions of higher degree) systematically?
Answer
Correct Answer:
A rectangular array of binomial coefficients
Note: This Question is unanswered, help us to find answer for this one
7. In FEM, what is the name of the shape function of an Euler-Bernoulli beam element?
Answer
Correct Answer:
Hermite cubic interpolation function
Note: This Question is unanswered, help us to find answer for this one
8. In FEM, what is the name of the element specified by a polynomial of order two or more?
Answer
Correct Answer:
Higher-order element
Note: This Question is unanswered, help us to find answer for this one
9. If the geometry and other parameters of an element are defined in terms of only one spatial coordinate, then the element is a one-dimensional element?
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
10. In the FEM element library, what is the correct name for a three noded triangular element?
Answer
Correct Answer:
Constant strain triangular element
Note: This Question is unanswered, help us to find answer for this one
11. In the FEM element library, what is the correct name for a six noded triangular element?
Answer
Correct Answer:
Linear strain triangular element
Note: This Question is unanswered, help us to find answer for this one
12. In the FEM element library, an eight noded quadrilateral element belongs to which family?
Answer
Correct Answer:
Serendipity
Note: This Question is unanswered, help us to find answer for this one
13. In the FEM element library, what is the other name of a higher-order element?
Answer
Correct Answer:
Complex element
Note: This Question is unanswered, help us to find answer for this one
14. Which option is not correct about the four-noded rectangular plane stress element used in FEM?
Answer
Correct Answer:
Its Delaunay triangulation is unique
Note: This Question is unanswered, help us to find answer for this one
15. Concerning triangular elements in FEM, which option is not correct about the mathematical formula of Pascal’s triangle?
Answer
Correct Answer:
A triangular element of order 2 corresponds to the second row
Note: This Question is unanswered, help us to find answer for this one
16. In FEM, What is the number of displacement polynomials necessary for finding displacements in a linear triangular element?
Answer
Correct Answer:
2
Note: This Question is unanswered, help us to find answer for this one
17. In FEM, which option is used to develop the Higher-order triangular elements (i.e. triangular elements with interpolation functions of higher degree) systematically?
Answer
Correct Answer:
Pascal’s triangle
Note: This Question is unanswered, help us to find answer for this one
18. Which option is not correct about the three-noded triangular plane stress (linear) element used in FEM?
Answer
Correct Answer:
It can be improved by the addition of internal degrees of freedom
Note: This Question is unanswered, help us to find answer for this one
19. Which of the following equations give the relation between material properties like modulus of elasticity (E), modulus of rigidity (G), and Poisson’s ratio (u)?
Answer
Correct Answer:
E = 2*G*(1+u)
Note: This Question is unanswered, help us to find answer for this one
20. Traction is force acting on an area in any direction other than normal.
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
21. Which of the following boundary conditions cannot be directly applied on solid elements?
Answer
Correct Answer:
Torque
Note: This Question is unanswered, help us to find answer for this one
22. Which of the following conditions must be fulfilled to apply symmetry in a finite element model?
Answer
Correct Answer:
Geometry of the model is symmetric and boundary conditions to be applied are symmetric
Note: This Question is unanswered, help us to find answer for this one
23. Which of the following is the correct equation for stiffness (K) of an element given value of force (F) and displacement (Q)?
Answer
Correct Answer:
KQ=F
Note: This Question is unanswered, help us to find answer for this one
24. Boundary conditions are applied to simulate the physical constraints on the finite element model.
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
25. Symmetry in application of boundary conditions should be avoided in which of the following types of analysis?
Answer
Correct Answer:
Modal analysis
Note: This Question is unanswered, help us to find answer for this one
26. For a taper beam element two cross sections are necessary to define the geometry.
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
27. The application of force at which of the following points on a beam will nullify the effect of torsion?
Answer
Correct Answer:
Shear centre
Note: This Question is unanswered, help us to find answer for this one
28. Three geometrically identical beams made out of steel, aluminium, and titanium are axially loaded. Which of are the following statements correct?
Answer
Correct Answer:
Stress in all three beams is the sam
Note: This Question is unanswered, help us to find answer for this one
29. Which of the following is not a one dimensional element?
Answer
Correct Answer:
Brick
Note: This Question is unanswered, help us to find answer for this one
30. In the Galerkin method we convert a continuous operator problem into a discrete problem.
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
31. Which of the following statements is correct?
Answer
Correct Answer:
Stiffness coefficient value for numerical solution is greater than the value of exact solution
Note: This Question is unanswered, help us to find answer for this one
32. In beam elements the cross section of the element is assumed.
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
33. The shape functions for interpolation on beam elements are defined on the range of ________
Answer
Correct Answer:
-1 to +1
Note: This Question is unanswered, help us to find answer for this one
34. The displacements in beam elements are interpolated using _______
Answer
Correct Answer:
Shape functions
Note: This Question is unanswered, help us to find answer for this one
35. The total number of degrees of freedom in a beam with four nodes is ______
Answer
Correct Answer:
Eight
Note: This Question is unanswered, help us to find answer for this one
36. Beams are horizontal members used for supporting transverse loading.
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
37. During finite element formulation of beam each node has _______ degrees of freedom.
Answer
Correct Answer:
Two
Note: This Question is unanswered, help us to find answer for this one
38. In a nine node quadrilateral, the shape functions can be defined as _______
Answer
Correct Answer:
Generic shape functions
Note: This Question is unanswered, help us to find answer for this one
39. The gauss points for a triangular region differ from the _____ region.
Answer
Correct Answer:
Square
Note: This Question is unanswered, help us to find answer for this one
40. The nodal temperature load can be evaluated by using _____
Answer
Correct Answer:
Numerical integration
Note: This Question is unanswered, help us to find answer for this one
41. The mid node should not be outside of the triangular element this condition should ensures that det J does not attain a value ____
Answer
Correct Answer:
Zero
Note: This Question is unanswered, help us to find answer for this one
42. In six node triangular element, the gauss points of a triangular element can be defined by ____
Answer
Correct Answer:
One point rule
Note: This Question is unanswered, help us to find answer for this one
43. Six node triangular elements is also known as _____
Answer
Correct Answer:
Quadratic triangle
Note: This Question is unanswered, help us to find answer for this one
44. Eight-Node Quadrilateral. This element belongs to the ________ family of elements.
Answer
Correct Answer:
Serendipity
Note: This Question is unanswered, help us to find answer for this one
45. A _________ element by using a nine-node shape function.
Answer
Correct Answer:
Sub parametric
Note: This Question is unanswered, help us to find answer for this one
46. In the four-node quadrilateral element, the shape functions contained terms _________
Answer
Correct Answer:
ξ
Note: This Question is unanswered, help us to find answer for this one
47. Gauss points are also the points used for numerical evaluation of _____ Surfaces
Answer
Correct Answer:
E
Note: This Question is unanswered, help us to find answer for this one
48. For degenerate four noded quadrilateral element the errors are _____
Answer
Correct Answer:
Higher
Note: This Question is unanswered, help us to find answer for this one
49. For quadrilaterals with 2X2 integration gives _____ sets of stress values.
Answer
Correct Answer:
Four
Note: This Question is unanswered, help us to find answer for this one
50. The stresses are evaluated at the __________
Answer
Correct Answer:
Gauss points
Note: This Question is unanswered, help us to find answer for this one
51. The stresses in the quadratic element are not ______
Answer
Correct Answer:
Constant
Note: This Question is unanswered, help us to find answer for this one
52. Shape functions are linear functions along the _____
Answer
Correct Answer:
Edges
Note: This Question is unanswered, help us to find answer for this one
53. For four noded quadrilateral element, the global load vector can be determined by considering the body force term in _____
Answer
Correct Answer:
Potential energy
Note: This Question is unanswered, help us to find answer for this one
54. The stiffness matrix from the quadrilateral element can be derived from _____
Answer
Correct Answer:
Strain energy
Note: This Question is unanswered, help us to find answer for this one
55. The master element is defined in ______
Answer
Correct Answer:
Natural coordinates
Note: This Question is unanswered, help us to find answer for this one
56. For a four noded quadrilateral, we define shape functions on _____
Answer
Correct Answer:
Master element
Note: This Question is unanswered, help us to find answer for this one
57. In two dimensional isoparametric elements, we can generate element stiffness matrix by using ____
Answer
Correct Answer:
Numerical integration
Note: This Question is unanswered, help us to find answer for this one
58. Increasing the number of nodes in coarse mesh regions where stress variations are high, should give better results. This method is called _____
Answer
Correct Answer:
Convergence
Note: This Question is unanswered, help us to find answer for this one
59. Coarser meshes are recommended for _____
Answer
Correct Answer:
Initial trails
Note: This Question is unanswered, help us to find answer for this one
60. The _____ can be obtained even with coarser meshes by plotting and extrapolating.
Answer
Correct Answer:
Maximum stresses
Note: This Question is unanswered, help us to find answer for this one
61. The Constant strain triangle can give____ stresses on elements.
Answer
Correct Answer:
Constant
Note: This Question is unanswered, help us to find answer for this one
62. Stresses can be change widely at ____
Answer
Correct Answer:
Notches and fillets
Note: This Question is unanswered, help us to find answer for this one
63. In dividing the elements a good practice may be to choose corner angles in the range of ____
Answer
Correct Answer:
30-120°
Note: This Question is unanswered, help us to find answer for this one
64. When dividing an area into triangles, avoid large _____
Answer
Correct Answer:
Aspect ratios
Note: This Question is unanswered, help us to find answer for this one
65. Boundary conditions can be easily considered by using _______
Answer
Correct Answer:
Penalty approach method
Note: This Question is unanswered, help us to find answer for this one
66. For a circular pipe under internal or external pressure, by symmetry all points move _____
Answer
Correct Answer:
Radially
Note: This Question is unanswered, help us to find answer for this one
67. In deformation of the body, the symmetry of ______ and symmetry of ____ can be used effectively.
Answer
Correct Answer:
Geometry and loading
Note: This Question is unanswered, help us to find answer for this one
68. Finite element method is used for computing _____ and _____
Answer
Correct Answer:
Displacement and strain
Note: This Question is unanswered, help us to find answer for this one
69. I the distribution of the change in temperature ΔT, the strain due to this change is ____
Answer
Correct Answer:
Initial strain
Note: This Question is unanswered, help us to find answer for this one
70. Principal stresses and their directions are calculated by using ____
Answer
Correct Answer:
Mohr’s circle method
Note: This Question is unanswered, help us to find answer for this one
71. In the equation KQ=F, K is called as ____
Answer
Correct Answer:
Modified stiffness matrix
Note: This Question is unanswered, help us to find answer for this one
72. For plane stress or plane strain, the element stiffness matrix can be obtained by taking _____
Answer
Correct Answer:
Material property matrix, D
Note: This Question is unanswered, help us to find answer for this one
73. The equation u=Nq is a _____ representation.
Answer
Correct Answer:
Isoparametric
Note: This Question is unanswered, help us to find answer for this one
74. The shape functions are physically represented by _____
Answer
Correct Answer:
Area coordinates
Note: This Question is unanswered, help us to find answer for this one
75. In two dimensional problems x-, y- coordinates are mapped onto ____
Answer
Correct Answer:
ξ-η-Co-ordinates
Note: This Question is unanswered, help us to find answer for this one
76. In particular, N 1+N 2 +N 3 represent a plane at a height of one at nodes ______
Answer
Correct Answer:
One, two and three
Note: This Question is unanswered, help us to find answer for this one
77. Linear combination of these shape functions represents a ______
Answer
Correct Answer:
Plane surface
Note: This Question is unanswered, help us to find answer for this one
78. For constant strain elements the shape functions are ____
Answer
Correct Answer:
Linear
Note: This Question is unanswered, help us to find answer for this one
79. Finite element method uses the concept of _____
Answer
Correct Answer:
Shape functions
Note: This Question is unanswered, help us to find answer for this one
80. The information of array of size and number of elements and nodes per element can be seen in ___
Answer
Correct Answer:
Element connectivity table
Note: This Question is unanswered, help us to find answer for this one
81. In two dimensional modelling each node has ____ degrees of freedom.
Answer
Correct Answer:
Two
Note: This Question is unanswered, help us to find answer for this one
82. The finite element method is used to solve the problem ______
Answer
Correct Answer:
Approximately
Note: This Question is unanswered, help us to find answer for this one
83. Each triangle formed by three nodes and three sides is called a ______
Answer
Correct Answer:
Element
Note: This Question is unanswered, help us to find answer for this one
84. In 2D elements. Discretization can be done. The points where triangular elements meet are called ____
Answer
Correct Answer:
Nodes
Note: This Question is unanswered, help us to find answer for this one
85. The details of a skyline assembly matrix are implemented in a program called ____
Answer
Correct Answer:
Trussky program
Note: This Question is unanswered, help us to find answer for this one
86. The second step in skyline approach is assembling the element stiffness values into _____
Answer
Correct Answer:
Column vector
Note: This Question is unanswered, help us to find answer for this one
87. The first step of skyline assembly matrix involves evaluation of ____
Answer
Correct Answer:
Column height
Note: This Question is unanswered, help us to find answer for this one
88. In Skyline matrix, the elements in a stiffness matrix can be placed in _______
Answer
Correct Answer:
Vector form
Note: This Question is unanswered, help us to find answer for this one
89. In a banded matrix, elements are _____ placed in the stiffness matrix.
Answer
Correct Answer:
Directly
Note: This Question is unanswered, help us to find answer for this one
90. Which of these was one of the methods for determining assembly of the global stiffness matrix?
Answer
Correct Answer:
Skyline approach
Note: This Question is unanswered, help us to find answer for this one
91. Symmetry and sparsity of the global stiffness matrix can be approached by _____ methods.
Answer
Correct Answer:
Two
Note: This Question is unanswered, help us to find answer for this one
