engineering recuitment BHEL Engineer Trainee Mock Test 2025 Strength of Materials Elastic Limit and Constants
A cylindrical metal bar of 12 mm diameter is located by an axial force of 20 kN results in a change in diameter by 0.003 mm. Poisson’s ratio is given by: (Assume modulus of rigidity = 80 GPa)
1
0.2923
2
0.056
3
0.025
4
0.56