A compound bar consists of two bars of equal length. Steel bar cross-section is 3500 mm2 and that of brass bar is 3000 mm2. These are subjected to a compressive load 100000 N. If Es = 0.2 MN/mm2 and Eb= 0.1 MN/mm2, the stresses developed are

A compound bar consists of two bars of equal length. Steel bar cross-section is 3500 mm² and that of brass bar is 3000 mm². These are subjected to a compressive load 100000 N. If Es = 0.2 MN/mm² and E_b= 0.1 MN/mm², the stresses developed are

1. σ_b= 10 N/mm², σ_s= 20 N/mm² (Ans)
2. σ_b= 8 N/mm², σ_s= 16 N/mm²
3. σ_b= 6 N/mm², σ_s= 12 N/mm²
4. σ_b= 5 N/mm², σ_s= 10 N/mm²