engineering recuitment HPCL Engineer Mock Test 2024 Strength of Materials Simple Stress and Strain Thermal Stress and Strain
Read the following statements:
A. The length of a material increases with increase in temperature and if the material is free to do so no stresses are developed
B. The length of a material increases with increase in temperature and if the material is constrained, stresses are developed
Choose the correct answer.
1
B only
2
Both A and B
3
A only
4
Neither A nor B