A bar of brass 20mm is enclosed in a steel tube of 40mm external diameter and 20mm internal diameter. The bar and the tubes are initially 1.2m long and are rigidly fastened at both ends using 20mm...

A bar of brass 20mm is enclosed in a steel tube of 40mm external diameter and 20mm internal diameter. The bar and the tubes are initially 1.2m long and are rigidly fastened at both ends using 20mm diameter pin. If temperature is raised by 60°C, find the stresses induced in the bar, tube and pins. E, 2 x 10 N/mm Pin Steel tube 20 40 18.7 x 10c 1200 mm Brass rod