Engineering, 11.07.2019 04:10 iilovejohnccena1022

Atensile test is carried out on a bar of mild steel of diameter 20 mm. the bar yields under a load of 80 kn. it reaches a maximum load of 150 kn, and breaks finally at a load of 70 kn. find (i) the tensile stress at the yield point (1i) the ultimate tensile stress; (iii) the average stress at the breaking point, if the diameter of the fractured neck is 10mm

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Atensile test is carried out on a bar of mild steel of diameter 20 mm. the bar yields under a load o...