1.

A bar shown in the diagram below is subjected to load 160kN. If the stress in the middle portion Is limited to 150N/mm2, what will be the length of the middle portion, if the total elongation of the bar is to be 0.2mm? Take E = 2.1 x 105 N/mm2.

A. 18.45cm
B. 17.24cm
C. 16.45cm
D. 20.71cm
Answer» E.


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