Question

A steel bar of 20mm diameter and 400mm long is placed concentrically insidw a gunmetel tube. The tube has inside diameter 22mm and 4mm thick. The lenght of the tube exceeds the length of the steel bar by 0.12mm. Rigid plates are placed on the ends of the tubeand anaxial compressive load applied to the compound assembly. Find the load which will just make the tube and bar the same length

Answer 1

Answer:I really don’t know the answer to this question

Explanation: