Explore topic-wise MCQs in Finite Element Method.

This section includes 9 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 3D truss element, the nodal displacement vector in global co-ordinates is _____

A. q‘= [q1,q2]
B. q‘= [q1,q2,q3]
C. q‘= [q1,q2,q3,q4,q5,q6]
D. Undefined
Answer» D. Undefined
2.

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
3.

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. \(\frac{x_1-y_1}{l_e}\)
4.

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

A. x2-x1
B. \(\frac{x_2}{l_e}\)
C. \(\frac{x_1}{l_e}\)
D. \(\frac{x_2-x_1}{l_e}\)
Answer» E.
5.

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
6.

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
7.

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

A. \( \begin{bmatrix}l &0&0 \\ 0&m&0\\0&0&n\end{bmatrix}\)
B. \( \begin{bmatrix}l &m&n \end{bmatrix}\)
C. \( \begin{bmatrix}l&0&n \\ 0&m&0 \end{bmatrix}\)
D. \( \begin{bmatrix}l&m&n&0&0&0\\ 0&0&0&l&m&n\end{bmatrix}\)
Answer» E.
8.

Transformation between local and global co-ordinates is _____

A. q‘=Lq
B. q‘=L
C. q‘=L+q
D. q‘=\(\frac{L}{q}\)
Answer» B. q‘=L
9.

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

A. [q1‘]
B. [q2‘]
C. [q1‘,q2‘,q3‘]T
D. [q1‘,q2‘]T
Answer» E.