engineering recuitment GATE ME 2023-24 Test Series Strength of Materials Simple Stress and Strain Thermal Stress and Strain
In the arrangement, as shown in the figure, the stepped steel bar ABC is loaded by load P. The material has Young’s modulus E = 200 GPa and the two portions AB and BC have area of cross-section 1 cm2 and 2 cm2 respectively. The magnitude of load P required to fill up the gap of 0.75 mm is
1
10 kN
2
15 kN
3
20 kN
4
25 kN