Question

A rod is 2m long at a temperature of 10°c free the expansion of the rod when the temperature is raised to 80°c if the expansion is prevented find the stress in the concrete and steel bars take E =2.1*10^5mn/m^2 and

Answer 1

Answer:

answer is 16;mtrs long..

because if it expands on heating at 10°c up to 2mtrs, then on heating at 80 °c ,it will increase up to 16 mtrs longer..

so answer is 16meters..☝️