ACI Flatwork Test Questions with
Complete Solutions2
preconstruction conference - ANSWERS-finisher foreman must attend; decide who can add
water
slab volume - ANSWERS-LxWxH
When does concrete HAVE to leave the truck? - ANSWERS-300 rev or 90 min
Is cement endothermic or exothermic - ANSWERS-Exothermic
Name the three pour patterns - ANSWERS-Adjacent lanes, Alternate lanes, checkerboard
Finishing order - ANSWERS-Bullfloat, Fresno, Joints, 2-3x slab thickness (in. to feet)
What does a dipstick measure? - ANSWERS-F-numbers
When are F-numbers measured? - ANSWERS-24-72 hours
T/F calcium chloride with metal reinforcements? - ANSWERS-False
vapor barrier - ANSWERS-add 2in sand to stop curling
Strength formula - ANSWERS-W/C ratio
Complete Solutions2
preconstruction conference - ANSWERS-finisher foreman must attend; decide who can add
water
slab volume - ANSWERS-LxWxH
When does concrete HAVE to leave the truck? - ANSWERS-300 rev or 90 min
Is cement endothermic or exothermic - ANSWERS-Exothermic
Name the three pour patterns - ANSWERS-Adjacent lanes, Alternate lanes, checkerboard
Finishing order - ANSWERS-Bullfloat, Fresno, Joints, 2-3x slab thickness (in. to feet)
What does a dipstick measure? - ANSWERS-F-numbers
When are F-numbers measured? - ANSWERS-24-72 hours
T/F calcium chloride with metal reinforcements? - ANSWERS-False
vapor barrier - ANSWERS-add 2in sand to stop curling
Strength formula - ANSWERS-W/C ratio
