$\backslash$table$[[1,$In a structural design of reinforced concrete column, what is the actual spacing in mm of the ties used if the main vertical rebars used is $32mm\frac{O}{?}$ bars and the size of the tied column is $500mmx600$ mm $?],[2,$A tied column $500600mm4m$ is reinforced with $6$ vertical bars and ties of $10mm$ spaced at $400$ mm oc$.$ What is the size of the main reinforcement used in mm diameter?$],[3,$A tied column $600600mm$ has an ultimate factored loading of $5538\mathrm{.}22$ kN and a steel ratio of $0\mathrm{.}0146.$ If $fy=420$MPa, what is the value of $f{c}^{\text{'}}$ in MPa $?],[4,$A tied column $500600mm$ has an ultimate factored loading of $4329\mathrm{.}12$ kN and a steel ratio of $0\mathrm{.}0123.$ If $fy=345$MPa, what is the value of $f{c}^{\text{'}}$ in MPa $?],[5,$A tied column $600600mm$ has a steel ratio of $0\mathrm{.}0146.f{c}^{\text{'}}=28$ MPa and $fy=420$MPa. What is the column capacity in kN $?]]$