SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Strength of Materials Simple Stress and Strain
A circular steel bar of 20 mm diameter carries a tensile load of 30 KN. If E = 2 × 105 N/mm2, the elongation in the 30 cm length of bar will be-
1
0.143 mm
2
0.1430 mm
3
1.43 mm
4
14.30 mm