engineering recuitment GATE CE 2023-24 Test Series Strength of Materials Simple Stress and Strain Volumetric Strain
A prismatic aluminum bar of a circular cross-section is loaded by tensile forces, P = 85 kN. The bar has length L = 3 m and diameter d = 30 mm, modulus of elasticity E = 70 GPa and μ = 1/3. What will be the increase in the volume of bar?
1
1215 mm3
2
1785 mm3
3
565 mm3
4
820 mm3