# Finite Element Analysis – MCQ || Engineering Mathematics

## Finite Element Analysis – MCQ

1. Stiffness matrix is a

a) Symmetric matrix.
b) Skew symmetric matrix.
d) Augmented matrix.

a) Symmetric matrix.

Stiffness matrix is a symmetric matrix.

2. The local x-axis of a member is always parallel to the ____ of the member.

a) Longitudinal axis.
b) Vertical axis.
c) Transverse axis.
d) Horizontal axis.

a) Longitudinal axis.

The local x-axis of a member is always parallel to the longitudinal axis of the member.

3. The symmetry of stiffness matrix proves

a) Castigliano’s theorem.
b) Maxwell reciprocal theorem.
c) Betti’s law.
d) Hardy cross theorem.

c) Betti’s law.

4. Size of the stiffness matrix _____ if the number of force component increase.

a) Increase.
b) Decrease.
c) Remain unchanged.
d) Proportionally increases.

d) Proportionally increases.

Size of the stiffness matrix proportionally increases if the number of force component increase.

5. To describe material non-linearity, __ should be non-linear.

a) Constitutive relationship.
b) Strain-displacement relationship.
c) Shape function.
d) Element type.

a) Constitutive relationship.

6. FEA is a/ an

a) Analytical technique.
b) Computational technique.
c) Differential technique.
d) None of these.

Computational technique.

FEA(Finite Element Analysis) is a computational technique.

7. For a state of stable equilibrium, the potential energy should be

a) Maximum.
b) Minimum.
c) Zero.
d) Cannot be specified.

a) Maximum.

For a state of stable equilibrium, the potential energy should be maximum.

8. The field variables are the

a) Independent variable.
b) Neither dependent nor independent variable.
c) Dependent variables.
d) None of these.