Question $1$

$($a$)$ Calculate using basic formulas, the effective tension capacity $N_t$ of a ${150}_{}10010$

UA of Grade $300$

Given: $fy=320$MPa and $fu=440$MPa

$($b$)$ For a design axial load $N^{**}$ equal to the value obtained in a$),$ calculate the lengths of

weld $a,$ and b required? Assume $6$mmE$48$ weld, SP Category