Explore topic-wise MCQs in Finite Element Method.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Finite Element Method knowledge and support exam preparation. Choose a topic below to get started.

1.

In a truss element, element temperature load is ___

A. <sup>e</sup>=E<sub>e</sub>A<sub>e</sub>
B. <sup>e</sup>=E<sub>e</sub>A<sub>e</sub> <sub>0</sub>
C. <sup>e</sup>=E<sub>e</sub>A<sub>e</sub> <sub>0</sub> ( begin{Bmatrix}l m end{Bmatrix} )
D. <sup>e</sup>=E<sub>e</sub>A<sub>e</sub> <sub>0</sub> ( begin{Bmatrix}-l -m l m end{Bmatrix} )
Answer» E.
Discussion
2.

In 3D truss element, the nodal displacement vector in global co-ordinates is _____

A. q<sup> </sup>= [q<sub>1</sub>,q<sub>2</sub>]
B. q<sup> </sup>= [q<sub>1</sub>,q<sub>2</sub>,q<sub>3</sub>]
C. q<sup> </sup>= [q<sub>1</sub>,q<sub>2</sub>,q<sub>3</sub>,q<sub>4</sub>,q<sub>5</sub>,q<sub>6</sub>]
D. Undefined
Answer» D. Undefined
Discussion
3.

The direction cosine n is given by formula _____

A. ( frac{x_2-x_1}{l_e} )
B. ( frac{y_2-y_1}{l_e} )
C. ( frac{z_2-z_1}{l_e} )
D. Undefined
Answer» D. Undefined
Discussion
4.

The direct cosine m is given by formula ____

A. ( frac{x_2-x_1}{l_e} )
B. ( frac{y_2-y_1}{l_e} )
C. ( frac{x_1-y_1}{l_e} )
D. ( frac{x_2-y_2}{l_e} )
Answer» C. ( frac{x_1-y_1}{l_e} )
Discussion
5.

In 3D truss, formula for direct cosine l = _____

A. x<sub>2</sub>-x<sub>1</sub>
B. ( frac{x_2}{l_e} )
C. ( frac{x_1}{l_e} )
D. ( frac{x_2-x_1}{l_e} )
Answer» E.
Discussion
6.

The direction cosines l, m, n with respect to ____ x-, y-, z- axes respectively.

A. Local
B. Local and global
C. Global
D. Transformation
Answer» D. Transformation
Discussion
7.

The direct cosines l, m, n are of local _____

A. z - axes
B. x - axes
C. y - axes
D. None of the above
Answer» C. y - axes
Discussion
8.

For a 3D truss element, transformation matrix L between local and global co-ordinates is given by ___

A. ( begin{bmatrix}l &amp;0&amp;0 0&amp;m&amp;0 0&amp;0&amp;n end{bmatrix} )
B. ( begin{bmatrix}l &amp;m&amp;n end{bmatrix} )
C. ( begin{bmatrix}l&amp;0&amp;n 0&amp;m&amp;0 end{bmatrix} )
D. ( begin{bmatrix}l&amp;m&amp;n&amp;0&amp;0&amp;0 0&amp;0&amp;0&amp;l&amp;m&amp;n end{bmatrix} )
Answer» E.
Discussion
9.

Transformation between local and global co-ordinates is _____

A. q<sup> </sup>=Lq
B. q<sup> </sup>=L
C. q<sup> </sup>=L+q
D. q<sup> </sup>= ( frac{L}{q} )
Answer» B. q<sup> </sup>=L
Discussion
10.

In a 3-D truss element nodal displacement vector in a local co-ordinate is q = ___

A. [q<sub>1</sub><sup> </sup>]
B. [q<sub>2</sub><sup> </sup>]
C. [q<sub>1</sub><sup> </sup>,q<sub>2</sub><sup> </sup>,q<sub>3</sub><sup> </sup>]<sup>T</sup>
D. [q<sub>1</sub><sup> </sup>,q<sub>2</sub><sup> </sup>]<sup>T</sup>
Answer» E.
Discussion