Teaching HPSC Lecturer (Technical) Mock Test 2024 Strength of Materials Simple Stress and Strain Thermal Stress and Strain
A steel rod of length L and diameter D, fixed at both ends is uniformly heated to a temperature rise of T. The Young's modulus is E and the coeffcient of linear expansion is α. The thermal stress in the rod is _______.
1
α T
2
α T E
3
α T E L
4
0
5
Question Not Attempted