engineering recuitment JSSC JE Mock Test 2023 Strength of Materials Simple Stress and Strain Thermal Stress and Strain
A steel rod whose diameter is 2 cm and is 2 m long, experiences heating from 30°C to 150°C. The coefficient of thermal expansion is α = 12 × 10-6/°C and the rod has been restricted in its original position. The thermal stress developed is 288 MPa. What is the value of Young’s modulus (GPa)?
1
50
2
100
3
150
4
200