Note: This Question is unanswered, help us to find answer for this one
2. FEM cant produce exact results as those of…………methods
Answer
Correct Answer:
All the above
Note: This Question is unanswered, help us to find answer for this one
3. The finite element method is mostly used in the field of
Answer
Correct Answer:
Engg mechanics
Note: This Question is unanswered, help us to find answer for this one
4. The geometry and other parameters of an element in terms of only one spatial coordinate then the element is
Answer
Correct Answer:
None
Note: This Question is unanswered, help us to find answer for this one
5. The art of subdividing a structure into a convenient number of smaller components isCalled
Answer
Correct Answer:
Discretization
Note: This Question is unanswered, help us to find answer for this one
6. A six noded triangular element is known as
Answer
Correct Answer:
Constant strain triangular element
Note: This Question is unanswered, help us to find answer for this one
7. On gathering stiffness and loads, the system of equations is given by
Answer
Correct Answer:
KQ=F
Note: This Question is unanswered, help us to find answer for this one
8. The displacement function for 1-D ,two node linear element in terms of shape function will be
Answer
Correct Answer:
U = N1u1+N2u2
Note: This Question is unanswered, help us to find answer for this one
9. The eight node quadrilateral element belongs to…………. Family of elements
Answer
Correct Answer:
None
Note: This Question is unanswered, help us to find answer for this one
10. The higher order elements are also called as
Answer
Correct Answer:
None
Note: This Question is unanswered, help us to find answer for this one
11. In weighted residual technique,the methods adopted are
Answer
Correct Answer:
All
Note: This Question is unanswered, help us to find answer for this one
12. Number of displacement polynomials used for an element depends on
Answer
Correct Answer:
Degrees of freedom
Note: This Question is unanswered, help us to find answer for this one
13. A triangular plane stress element has_________degree of freedom
Answer
Correct Answer:
6
Note: This Question is unanswered, help us to find answer for this one
14. A three noded triangular element is called as
Answer
Correct Answer:
Differable strain triangular element
Note: This Question is unanswered, help us to find answer for this one
15. To solve the FEM problem, it subdivides a large problem into smaller, simpler parts that
Answer
Correct Answer:
Finite elements
Note: This Question is unanswered, help us to find answer for this one
16. Numerical algorithms are based on
Answer
Correct Answer:
FEM and FDTD
Note: This Question is unanswered, help us to find answer for this one
17. Finite element method is also called
Answer
Correct Answer:
Finite element analysis
Note: This Question is unanswered, help us to find answer for this one
18. FEM gives accurate representation of
Answer
Correct Answer:
Complex geometry
Note: This Question is unanswered, help us to find answer for this one
19. The finite element method formulation of the problem results in a system of
Answer
Correct Answer:
Algebraic equations
Note: This Question is unanswered, help us to find answer for this one
20. Which part of the building is to be analysed as per theory of plate bending?
Answer
Correct Answer:
Slab
Note: This Question is unanswered, help us to find answer for this one
21. From the following options, identify the incorrect weighted residual method.
Answer
Correct Answer:
Wilson-q method
Note: This Question is unanswered, help us to find answer for this one
22. When displacement nodes are greater than geometry nodes, it is known as
Answer
Correct Answer:
Subparametric
Note: This Question is unanswered, help us to find answer for this one
23. Pick the incorrect statement
Answer
Correct Answer:
FEM is an exact method of analysis.
Note: This Question is unanswered, help us to find answer for this one
24. The following element is only used in conforming variational correctness.
Answer
Correct Answer:
BFS element
Note: This Question is unanswered, help us to find answer for this one
25. The ratio of the largest dimension of the element to the smallest dimension is defined as
Answer
Correct Answer:
Aspect ratio
Note: This Question is unanswered, help us to find answer for this one
26. The shape function has
Answer
Correct Answer:
Unit value at one nodal point and zero value at other nodal points.
Note: This Question is unanswered, help us to find answer for this one
27. As per Mindlin plate theory
Answer
Correct Answer:
C2 Continuity element is converted into C0 Continuity element
Note: This Question is unanswered, help us to find answer for this one
28. Which of the following statements is not true for an axial bar divided into three elements?
Answer
Correct Answer:
The size of the local stiffness matrix will be 2X2.
Note: This Question is unanswered, help us to find answer for this one
29. Four noded rectangular element in natural coordinate system belongs to
Answer
Correct Answer:
Both lagrangence and serendipity families
Note: This Question is unanswered, help us to find answer for this one
30. Consider a bar of uniform cross section as shown in figure. The distributed force acting on the bar is varying linearly with ‘x’, thus identifying the proper polynomial functions for approximation of solution.
Answer
Correct Answer:
U(x) = a1 x + a2 x2
Note: This Question is unanswered, help us to find answer for this one
31. If the length of element is 5mm , cross section area is 20 mm2 and E is 210 GPa, the axial stiffness is
Answer
Correct Answer:
20x210000000/5
Note: This Question is unanswered, help us to find answer for this one
32. If natural coordinates xi=0.5, eta=0.6, the values of shape functions of four noded Isoparametric rectangular element in natural coordinates are
Answer
Correct Answer:
0.5, 0.15, 0.6, 0.2
Note: This Question is unanswered, help us to find answer for this one
33. Which is not a convergence requirement of the displacement function
Answer
Correct Answer:
The displacement function should be geometrically invariant
Note: This Question is unanswered, help us to find answer for this one
34. For 1-D bar elements if the structure is having 3 nodes then the stiffness matrix formed is having an order of
Answer
Correct Answer:
3x3
Note: This Question is unanswered, help us to find answer for this one
35. Which is not the characteristic of a Flat shell element?
Answer
Correct Answer:
They must be thick and the variation of stresses take place along the thickness of element
Note: This Question is unanswered, help us to find answer for this one
36. Classical thin plate theory is called as
Answer
Correct Answer:
Kirchhoff Theory
Note: This Question is unanswered, help us to find answer for this one
37. The following element is only used in non conforming variational correctness.
Answer
Correct Answer:
ACM element
Note: This Question is unanswered, help us to find answer for this one
38. Determine the Cartesian coordinates of any point P if N1=0.05, N2=0.15, N3=0.6 and N4=0.2. Coordinates of nodes are x1=2, x2=8, x3=7, x4=3, y1=1, y2=3, y3=7, y4=5.
Answer
Correct Answer:
6.1, 5.7
Note: This Question is unanswered, help us to find answer for this one
39. The following integral formulation is used in weighted residual method. Identify the form of integral
Answer
Correct Answer:
Linear form
Note: This Question is unanswered, help us to find answer for this one
40. How many nodes are there in a hexahedron element?
Answer
Correct Answer:
8
Note: This Question is unanswered, help us to find answer for this one
41. If the plate thickness to span ratio is less than (1/10) then it is called as
Answer
Correct Answer:
Thin plate with small deformation
Note: This Question is unanswered, help us to find answer for this one
42. Axis-Symmetric element is
Answer
Correct Answer:
Both 2D and 1D elements
Note: This Question is unanswered, help us to find answer for this one
43. W, qx, and qy are considered in
Answer
Correct Answer:
Mindlin element
Note: This Question is unanswered, help us to find answer for this one
44. This form states the condition that must be met at every material point
Answer
Correct Answer:
Strong Form
Note: This Question is unanswered, help us to find answer for this one
45. The following method assumes trial functions only over an element.
Answer
Correct Answer:
Finite Element Method.
Note: This Question is unanswered, help us to find answer for this one
46. For constant strain triangle element, the shape function is
Answer
Correct Answer:
N1+N2+N3=1
Note: This Question is unanswered, help us to find answer for this one
47. Accuracy of solution in finite element can be increased by
Answer
Correct Answer:
Using higher order element
Note: This Question is unanswered, help us to find answer for this one
48. The shear deformation in plate is considered using following theory
Answer
Correct Answer:
Mindlin Theory
Note: This Question is unanswered, help us to find answer for this one
49. Which is not the characteristic of CST element
Answer
Correct Answer:
The strain displacement matrix for CST element is a single term matrix
Note: This Question is unanswered, help us to find answer for this one
50. As per the theory of thin plate with small deformation, The ratio of maximum deflection to thickness (S) should be
Answer
Correct Answer:
S < (1/5)
Note: This Question is unanswered, help us to find answer for this one
51. The variational principle corresponding to the weak form of elasticity is called as
Answer
Correct Answer:
Theorem of minimum potential energy
Note: This Question is unanswered, help us to find answer for this one
52. For CST element, if N1=0.3 and N2-0.2 what is the value of N3
Answer
Correct Answer:
0.5
Note: This Question is unanswered, help us to find answer for this one
53. As per the theory of thin plate with small deflection, the ratio of thickness to span (R) should be
Answer
Correct Answer:
R > (1/10)
Note: This Question is unanswered, help us to find answer for this one
54. How many nodes are there in a tetrahedron element?
Answer
Correct Answer:
4
Note: This Question is unanswered, help us to find answer for this one
55. Which is not an example of a serendipity rectangular element?
Answer
Correct Answer:
9 noded element
Note: This Question is unanswered, help us to find answer for this one
56. Number of shape functions in two noded beam element are
Answer
Correct Answer:
4
Note: This Question is unanswered, help us to find answer for this one
57. Pascals Triangle is used for writing
Answer
Correct Answer:
Displacement equation
Note: This Question is unanswered, help us to find answer for this one
58. The degrees of freedom for regular flat shell elements are
Answer
Correct Answer:
Three translations and three rotations
Note: This Question is unanswered, help us to find answer for this one
59. Number of shape functions for 3D hexahedron element with nodes at corners only in natural coordinate system are
Answer
Correct Answer:
8
Note: This Question is unanswered, help us to find answer for this one
60. In variational principles, which of the following quantities are to be used.
Answer
Correct Answer:
Scalar
Note: This Question is unanswered, help us to find answer for this one
61. Sum of the shape functions is
Answer
Correct Answer:
Always 1
Note: This Question is unanswered, help us to find answer for this one
62. The displacement function U for 1 dimensional two node linear element using standard notations in terms of shape function will be
Answer
Correct Answer:
U equals to N1U1 plus N2U2
Note: This Question is unanswered, help us to find answer for this one
63. When geometry nodes are greater than displacement nodes, it is known as
Answer
Correct Answer:
Superparametric
Note: This Question is unanswered, help us to find answer for this one
64. The art of subdividing a structure into a convenient number of smaller components in finite element analysis is known as
Answer
Correct Answer:
Discretization.
Note: This Question is unanswered, help us to find answer for this one
65. Stresses normal to the plate is neglected in
Answer
Correct Answer:
Kirchhoff Theory
Note: This Question is unanswered, help us to find answer for this one
66. If a domain is discretized into N linear 1-D elements, then the number of nodes will be
Answer
Correct Answer:
N plus 1
Note: This Question is unanswered, help us to find answer for this one
67. Stress -strain relationship matrix of axisymmetric element consists of terms related to
Answer
Correct Answer:
Poisson's ratio and modulus of elasticity
Note: This Question is unanswered, help us to find answer for this one
68. Why do we need a Jacobian matrix in the finite element method?
Answer
Correct Answer:
The Jacobian matrix is required to map the natural coordinate system to the cartesian coordinate system.
Note: This Question is unanswered, help us to find answer for this one
69. Number of shape functions in two noded bar element are
Answer
Correct Answer:
2
Note: This Question is unanswered, help us to find answer for this one
70. Principle of the stationary value of the potential energy is also called as
Answer
Correct Answer:
Principle of minimum potential energy
Note: This Question is unanswered, help us to find answer for this one
71. For four noded serendipity elements which condition is true?
Answer
Correct Answer:
Nodes at corner only
Note: This Question is unanswered, help us to find answer for this one
72. When displacements and geometry nodes are equal, it is known as
Answer
Correct Answer:
Isoparametric
Note: This Question is unanswered, help us to find answer for this one
73. No of coefficients in an displacement function are equal to
Answer
Correct Answer:
No. of nodes x dof per node
Note: This Question is unanswered, help us to find answer for this one
74. The following methods assumes that trial functions over entire solution
Answer
Correct Answer:
Rayleigh-Ritz method
Note: This Question is unanswered, help us to find answer for this one
75. Pick the correct statement
Answer
Correct Answer:
Flat shell elements are created by combining plane and bending plate elements.
Note: This Question is unanswered, help us to find answer for this one
76. Isoparametric finite elements are based on the parametric definition of
Answer
Correct Answer:
Both coordinate and displacement functions.
Note: This Question is unanswered, help us to find answer for this one
77. Parent element of four noded Isoparametric quadrilateral element in natural coordinate system is
Answer
Correct Answer:
Four noded rectangular element
Note: This Question is unanswered, help us to find answer for this one
78. A natural mode of vibration represents …...............at each node
Answer
Correct Answer:
Relative displacement
Note: This Question is unanswered, help us to find answer for this one
79. When the inertia effect due to the mass of the component and externally applied load is considered,then the analysis is called as
Answer
Correct Answer:
Dynamic analysis
Note: This Question is unanswered, help us to find answer for this one
80. The load calculated for each element based on thermal expansion of that element is,
Answer
Correct Answer:
A q α ΔT
Note: This Question is unanswered, help us to find answer for this one
81. In finite element analysis, the procedure to do steady state thermal analysis is
Answer
Correct Answer:
1. Preprocessing 2. Post Processing 3. Solution
Note: This Question is unanswered, help us to find answer for this one
82. When can we use axisymmetric governing equations?
Answer
Correct Answer:
All the options are correct
Note: This Question is unanswered, help us to find answer for this one
83. The rate of heat flow on conduction is given by Fourier's law as
Answer
Correct Answer:
Q = -KA(dT) / dx
Note: This Question is unanswered, help us to find answer for this one
84. LST element contains …........nodes
Answer
Correct Answer:
6
Note: This Question is unanswered, help us to find answer for this one
85. How many frequencies are calculated for a 3-noded simply supported beam ?
Answer
Correct Answer:
Four
Note: This Question is unanswered, help us to find answer for this one
86. Identify the correct property of shape function
Answer
Correct Answer:
Summation of all shape function inside the body is +1
Note: This Question is unanswered, help us to find answer for this one
87. What does an interpolation function represent?
Answer
Correct Answer:
Change in variable over an element
Note: This Question is unanswered, help us to find answer for this one
88. FEA applied for long earth dam whose height and width are measurable in metres and length in kilometres and for long cylinders like tunnel
Answer
Correct Answer:
Plane strain
Note: This Question is unanswered, help us to find answer for this one
89. The condition of FEA which is characterised by very small dimensions in one of the normal directions is called as
Answer
Correct Answer:
Plane stress
Note: This Question is unanswered, help us to find answer for this one
90. Variational principle is the basis for
Answer
Correct Answer:
Displacement method
Note: This Question is unanswered, help us to find answer for this one
91. Heat transfer problem depends on
Answer
Correct Answer:
All
Note: This Question is unanswered, help us to find answer for this one
92. The equation for Principle of Minimum Potential Energy is expressed as
Answer
Correct Answer:
[K]{U}={F}
Note: This Question is unanswered, help us to find answer for this one
93. If the function used to define the geometry of an element and the functions used to define the field variables of an element is same then such element are called as
Answer
Correct Answer:
Isoparametric element
Note: This Question is unanswered, help us to find answer for this one
94. The total potential energy of an elastic body is defined as _______.
Answer
Correct Answer:
Strain energy - Work potential
Note: This Question is unanswered, help us to find answer for this one
95. In 1D steady state problems, at x = x0, T = T0 is a
Answer
Correct Answer:
Forced boundary condition
Note: This Question is unanswered, help us to find answer for this one
96. The isoparametric representation of finite elements is defined as element geometry and displacements are represented by the same set of shape functions.
Answer
Correct Answer:
Yes
Note: This Question is unanswered, help us to find answer for this one
97. 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
98. 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
99. A1 is the first area and N1 is its shape function then shape function N1= ___
Answer
Correct Answer:
A1/A
Note: This Question is unanswered, help us to find answer for this one
100. In particular, N1+N2+N3 represent a plane at a height of one at nodes ______
Answer
Correct Answer:
All of the above
Note: This Question is unanswered, help us to find answer for this one
101. Finite element method uses the concept of shape functions in systematically developing the interpolations.
Answer
Correct Answer:
TRUE
Note: This Question is unanswered, help us to find answer for this one
102. The position of the interface nodes is set at ____________ from the vertices
Answer
Correct Answer:
Li/2n
Note: This Question is unanswered, help us to find answer for this one
103. There are ________ simplest element types for 3D elements.
Answer
Correct Answer:
2
Note: This Question is unanswered, help us to find answer for this one
