engineering recuitment BMC JE Mock Test 2024 Strength of Materials Simple Stress and Strain Thermal Stress and Strain
Calculate the change in length of a steel bar whose temperature is raised by 125°C, coefficient of linear expansion α = 12 × 10-6 per degree Celsius, the initial length of bar L = 3 meters
1
0.045 cm
2
0.45 cm
3
4.5 cm
4
450 cm
5
45 mm