engineering recuitment TNPSC AE Civil 2024 Test series Strength of Materials Simple Stress and Strain Deflection of Bar
A steel rod of 2.5 m in height and area of 125 mm2 is subjected to a pull of 30kN. If Young's modulus is 200 GPa, the elongation of the rod will be
1
3 mm
2
30 mm
3
300 mm
4
0.3 mm