many cubic yards of concrete are needed to pour this beam? I Question 19 0 out of 1.33333 points You have a slab on grade that you need to pour. The slab is 500' x 250' and 5" thick. How many Cubic yards of concrete do you need to pour this slab? I Question 20 1.33333 out of 1.33333 points Information concerning Steel Joist specications would be found in what CSI MasterFormat Division? I Question 21 1.33333 out of 1.33333 points the new expansions exterior walls contain what size block? I Question 22 0 out of 1.33333 points What is the recessed material on the wall of the east elevation