engineering recuitment Cochin Shipyard Executive Trainee Mechanical Mock Test Strength of Materials Simple Stress and Strain
A steel rod whose diameter is 6 cm and is 1 m long, experiences heating from temperature 40°C to 200°C. The coefficient of thermal expansion is α = 12 × 10-8/°C and Young’s modulus is 300 GPa. If the rod has not been restricted in its original position, the thermal stress (MPa) developed is _________
1
0
2
256
3
288
4
300