engineering recuitment HPCL Engineer Mock Test 2024 Strength of Materials Simple Stress and Strain Stress and Strain
If the temperature of a rod of length L is increased by T° C, whose coefficient of linear expansion is α and Young’s modulus is E, then free expansion of the rod due to increase in temperature is given by which of the following expressions?
1
αTE2L
2
αT/L
3
αT/E
4
None of the above