$1.$ Compare pre$-$stressing with reinforced concrete technology. You may refer to the stress

diagrams above whenever necessary.

$2.$ Explain the difference between pre$-$tensioned and post$-$tensioned concrete and describe the

methods to construct each.

$3.$ You are about to construct a $9$m long and $4\mathrm{.}8$ m wide pre$-$tensioned concrete slab for a

commercial construction project.

a$)$ Draw the layout of a casting bed including the tendon arrangement, reinforcement and

accessories.

b$)$ Describe QA and QC process including preparation and during and after construction.