Chapter: FEA
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
Tags
  • Question and answers in FEA,
  • FEA multiple choice questions and answers,
  • FEA Important MCQs,
  • Solved MCQs for FEA,
  • FEA MCQs with answers PDF download