$4-1$to $4-8.$Select sections for the conditions described, using Fy$=50$ksi and Fu$=65$ksi, unless otherwise noted, and neglecting block shear.

$4-1$Select the lightest W$10$section available to support working tensile loads of PD$=115$k $$and PE$=170$k$.$The member is to be $20$ft long and is assumed to have two lines of holes for $34-$in O $$bolts in each flange. There will be at least three holes in each line $4$in on center. $($Ans$.$W$1033$LRFD and ASD$)$