Pass the 2025 ACI Flatwork Exam – Study
Materials That Work
preconstruction 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
Materials That Work
preconstruction 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