Problem $1$:

A single$-$angle tension member $($L $178$x$102$x$13)$ of $300W$ steel has three lines of drilled holes for M$20$ bolts

as shown below.

Question $1.$

What is the controlling net area of this angle?

a$)1,960m{m}^2$

b$)2,950m{m}^2$

c$)2,660m{m}^2$

d$)3,070m{m}^2$

e$)2,890m{m}^2$

Question $2.$

What is the tensile capacity of the member $($neglecting block shear$)?$

a$)1,000kN$

b$)980kN$

c$)1,030kN$

d$)950kN$

e$)1,050kN$

Question $3.$

What is the contribution of the short leg to the block shear capacity of the member?

a$)600kN$

b$)480kN$

c$)440kN$

d$)540kN$

e$)510kN$