ACI Flatwork Test questions and answers graded A+ 2024/2025

ACI Flatwork Testpreconstruction conference - correct answer finisher foreman must attend; decide who can add water slab volume - correct answer LxWxH When does concrete HAVE to leave the truck? - correct answer 300 rev or 90 min Is cement endothermic or exothermic - correct answer Exothermic Name the three pour patterns - correct answer Adjacent lanes, Alternate lanes, checkerboard Finishing order - correct answer Bullfloat, Fresno, Joints, 2-3x slab thickness (in. to feet) What does a dipstick measure? - correct answer F-numbers When are F-numbers measured? - correct answer 24-72 hours T/F calcium chloride with metal reinforcements? - correct answer False vapor barrier - correct answer add 2in sand to stop curling Strength formula - correct answer W/C ratio Joint Spacing - correct answer 10-20 ft Highway Straightedge - correct answer Higher flatness ratings