engineering recuitment BTSC Bihar JE Civil Mock Test Strength of Materials Simple Stress and Strain Stress and Strain
A steel bar is subjected to an axial pull of 84 kN. Stress-induced into the bar is 140 N/mm2. If Young's modulus is 2 x 105 N/mm2, then the longitudinal strain produced will be
1
0.0002
2
0.0003
3
0.0006
4
0.0007