Category: Engineering Mathematics – MCQ

Finite Element Analysis – MCQ || Engineering Mathematics

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.

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