## Finite Element Analysis – MCQ

**1.** Stiffness matrix is a

a) Symmetric matrix.

b) Skew symmetric matrix.

c) Adjoining matrix.

d) Augmented matrix.

## View Answer

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.

## View Answer

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.

## View Answer

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.

## View Answer

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.

## View Answer

a) Constitutive relationship.

**6.** FEA is a/ an

a) Analytical technique.

b) Computational technique.

c) Differential technique.

d) None of these.

## View Answer

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.

## View Answer

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.

## View Answer

c) Dependent variables.

The field variables are the **dependent variables**.