The dimensions of a symmetrical welded I-section are shown in the figure.
(All dimensions are in $\mathrm{mm}$ The plastic section modulus about the weaker axis (in $\mathrm{cm}^{3},$ up to one decimal place) is
The dimensions of a symmetrical welded I-section are shown in the figure.
(All dimensions are in $\mathrm{mm}$ The plastic section modulus about the weaker axis (in $\mathrm{cm}^{3},$ up to one decimal place) is