MCQOPTIONS
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MCQOPTIONS
| 1. |
The stiffness matrix for a beam element is \({\rm{k}} = \frac{{{\rm{EI}}}}{{63}}\left[ {\begin{array}{*{20}{c}} 4&{ - 9}\\ { - 9}&{36} \end{array}} \right]\). The corresponding flexibility matrix is |
| A. | \(\frac{{63}}{{{\rm{EI}}}}\left[ {\begin{array}{*{20}{c}} {36}&9\\ 9&4 \end{array}} \right]\) |
| B. | \(\frac{1}{{{\rm{EI}}}}\left[ {\begin{array}{*{20}{c}} {36}&9\\ 9&4 \end{array}} \right]\) |
| C. | \(\frac{{63}}{{{\rm{EI}}}}\left[ {\begin{array}{*{20}{c}} { - 4}&9\\ 9&{ - 36} \end{array}} \right]\) |
| D. | \(\frac{1}{{{\rm{EI}}}}\left[ {\begin{array}{*{20}{c}} 4&9\\ 9&{36} \end{array}} \right]\) |
| Answer» C. \(\frac{{63}}{{{\rm{EI}}}}\left[ {\begin{array}{*{20}{c}} { - 4}&9\\ 9&{ - 36} \end{array}} \right]\) | |