SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Strength of Materials Simple Stress and Strain Thermal Stress and Strain
A bar of copper and steel form a composite system. The coefficient of thermal expansion of copper is more than steel. If this composite bar is heated to a temperature of 40 °C from room temperature, then the type of stress induced in the copper bar is ________.
1
Compressive
2
Tensile and compressive
3
Shear
4
Tensile