engineering recuitment KPSC Assistant Engineer Civil Mock Test 2020 Strength of Materials Strain Energy
Two bars of same length and different materials are subjected to same tensile force. The first bar is of uniform diameter D and the other bar has diameter D/2 in middle one-fourth part. Ratio of strain energy is, if \(\frac{{{E_1}}}{{{E_2}}} = \frac{4}{7}\)
1
1
2
\(\frac{4}{7}\)
3
\(\frac{7}{4}\)
4
\(\frac{7}{2}\)