Multiple choice

The members EJ and IJ of a steel truss (shown in the figure below) are subjected to a temperature rise of 30oC. The coefficient of thermal expansion of steel is 0.000012 per oC per unit length. The displacement (mm) of joint E relative to joint H along the direction HE of the truss is

  1. 0.255

  2. 0.589

  3. 0.764

  4. 1.026

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation