Question

A rod is fixed between two points at 20?C. The coefficient of linear expansion of material of rod is 1.1\times {{10}^{-5}}/{}^\circ C
and Young's modulus is 1.2\times {{10}^{11}}\,N/m
. Find the stress developed in the rod if temperature of rod becomes 10?C [RPET 1997]
A) 1.32\times {{10}^{7}}\,N/{{m}^{2}} B) 1.10\times {{10}^{15}}\,N/{{m}^{2}} C) 1.32\times {{10}^{8}}\,N/{{m}^{2}} D) 1.10\times {{10}^{6}}\,N/{{m}^{2}}

Answer 1

Hello Friend..

The answer of u r question is...

Option.A

Thank you..

Answer 2

hi

option a is correct

thx