Theory of Structures
The yield moment of a cross section is defined as the moment that will just produce the yield stress in

The neutral fibre of the section
The fibre everywhere
The outer most fibre of the section
The inner most fibre of the section

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Theory of Structures
A compound bar consists of two bars of equal length. Steel bar cross -section is 3500 mm²and that of brass bar is 3000 mm². These are subjected to a compressive load 100,000 N. If Eb = 0.2 MN/mm² and Eb = 0.1 MN/mm², the stresses developed are:

b = 5 N/mm² s = 10 N/mm²
b = 8 N/mm² s = 16 N/mm²
b = 10 N/mm² s = 20 N/mm 2
b = 6 N/mm² s = 12 N/mm²

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