### Finite Element Techniques Mid - II, November - 2014

October 25, 2015     VIKRAM     431

1.

Accuracy of solution in a 2‐D component depends on

• A.

Included angle of elements

• B.

Size of the component

• C.

No. of d.o.f /node

• D.

Type of load

2.

Stress‐strain matrix for axisymmetric element is of order

• A.

3x3

• B.

4x4

• C.

6x6

• D.

9x9

3.

Number of stress components per node calculated for a triangular axisymmetric element is

• A.

2

• B.

3

• C.

4

• D.

5

4.

A 3‐D dam is usually modeled with

• A.

2‐D plane stress elements

• B.

2‐D plane strain elements

• C.

3‐D solid elements

• D.

3‐D shell elements

5.

An element with in‐plane loads having 3‐nodes along each side is a

• A.

Constant strain element

• B.

Linear strain element

• C.

Quadratic strain element

• D.

Constant displacement element

6.

Derivatives of displacement function with respect to element coordinate system and non‐ dimensional coordinate system is given by

• A.

Lagrangian

• B.

Poisson

• C.

Gaussian

• D.

Jacobian

7.

A symmetric structure can be analysed by modeling one symmetric part

• A.

Depending on applied loads

• B.

Depending on boundary conditions

• C.

Always yes

• D.

Depending on applied loads & boundary conditions

8.

Gaussian points are used for

• A.

Numerical integration

• B.

Displacement calculation

• C.

Stress calculation

• D.

Strain calculation

9.

Principal modes of vibration of a multi‐degrees of freedom system are

• A.

Parallel

• B.

Orthogonal

• C.

Inter multiples

• D.

Fractional multiples

10.

With lumped mass matrix, the differential equation of vibration refers to

• A.

Elastic coupling

• B.

Inertia coupling

• C.

Mode superposition

• D.

Both (a) and (b)

11.

A concrete pedestal is represented by ___________ type elements.

12.

An axisymmetric element has ______number of degrees of freedom, compared to a symmetric elements.

13.

Number of shape functions for a 8‐noded quadrilateral plane stress element are _________.

14.

Shape functions for a triangular plane stress element are also called as ________________.

15.

Conductance matrix is the equivalent of stiffness matrix in __________ analysis.

16.

Number of degrees of freedom for a 4‐noded quadrilateral thermal element is __________.

17.

A frequency of value ____________indicates rigid body motion along one degree of freedom.

18.

Normalising eigenvector with respect to mass matrix is useful in _____________________.

19.

A 4‐noded cantilever gives ____________ number of frequencies.

20.

A 3‐noded simply supported beam gives _____________ number of frequencies.

Related Links
R09 - II Mid - Term Examinations, November - 2014