21 Arod of length 2m is at temperature of 20 C The

Last updated: 6/25/2023

21 Arod of length 2m is at temperature of 20 C The temperature is increased to 50 C If permitted expansion without thermal stress is 0 4mm the thermal stress produced is Y 2 10 Pa a 15 10 C 1 5 x 107 N m 2 4 107 N m 3 3 x 107 N m 4 2 107 N m