SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Strength of Materials Simple Stress and Strain Stress and Strain
A composite bar is made of Steel & Aluminium strips each having 3 cm2 area of cross-section. The composite bar is subjected to an axial load of 12000 N. If Esteel = 3EAl, the stress in steel is
1
10 N/mm2
2
20 N/mm2
3
30 N/mm2
4
None of the above