P$2$: For a $2$X$10$ No$.2$ Douglas$-$Fir Larch $($DFL$)$beam$,10$ft long, with a moisture content of

$20\%,$ blocking at $2^{\text{'}}-6^{\text{'}\text{'}}$ and subjected to average temperature of $100F,$ with no preservative

treatment:

a$)$ Find $F{b}^{\text{'}}$

b$)$ Find Fv$\text{'}$

c$)$ Find E$\text{'}$