USE ALL DECIMAL PLACES IN SOLUTIONS AND ROUND OFF YOUR ANSWERS TO NEAREST WHOLE NUMBER. INPUT NUMERICAL VALUE ONLY.
Extracted text: A two-storey apartment building designed by Engr. Sang Woo has a brace system of main structural member shown in the figure. Considering that the bars are stressed - free the time it was assembled at 25°C. Determine the normal stresses in MPA of rods given that: Bronze (1) Aluminum (2) E= 100 GPa E= 70 GPa a = 17.2 x10 */°C Ø = 25mm Note: After assembly it has been observed that the bronze rod a = 24.5 x10 */°C Ø = 17mm 350 mm 250 mm temperature remains the same while aluminum rod decreased by 45°C. Round off your answers to nearest whole number 200 mm (2) 500 mm