The Ultimate Guide To ACI Flatwork Success –
2025 Edition
concrete curling refers to: - CORRECT ANSWER✔✔Keeping the concrete moist and at high temperature
for cement to hydrate fast enough
When the temperature is above 40F unless specifications direct otherwise continuous moist curing
should be maintained for - CORRECT ANSWER✔✔7 days
In hot weather slab curing may have to start after placing but before finishing. What two methods can
be used for this? - CORRECT ANSWER✔✔Evaporation reducers and fog sprays
Craze cracking is likely if concrete drys to soon after finishing. t or f - CORRECT ANSWER✔✔True
Curing by ponding water on the surface of a slab is practical only for slabs without joints and where
dams can be built to prevent flooding of the base course. t or f - CORRECT ANSWER✔✔True
When used to cure concrete clear plastic sheets - CORRECT ANSWER✔✔All of the above
A gallon of curing compound generally covers between _____ and _____ ft2 of slab surface - CORRECT
ANSWER✔✔150 and 200 ft2
A drying period following curing increases resistance to damage caused by freezing and thawing. Curing
compounds should not be used on exterior concrete placed during the fall in cold winter area because
they may not wear off in time to let the concrete dry. t or f - CORRECT ANSWER✔✔True
2025 Edition
concrete curling refers to: - CORRECT ANSWER✔✔Keeping the concrete moist and at high temperature
for cement to hydrate fast enough
When the temperature is above 40F unless specifications direct otherwise continuous moist curing
should be maintained for - CORRECT ANSWER✔✔7 days
In hot weather slab curing may have to start after placing but before finishing. What two methods can
be used for this? - CORRECT ANSWER✔✔Evaporation reducers and fog sprays
Craze cracking is likely if concrete drys to soon after finishing. t or f - CORRECT ANSWER✔✔True
Curing by ponding water on the surface of a slab is practical only for slabs without joints and where
dams can be built to prevent flooding of the base course. t or f - CORRECT ANSWER✔✔True
When used to cure concrete clear plastic sheets - CORRECT ANSWER✔✔All of the above
A gallon of curing compound generally covers between _____ and _____ ft2 of slab surface - CORRECT
ANSWER✔✔150 and 200 ft2
A drying period following curing increases resistance to damage caused by freezing and thawing. Curing
compounds should not be used on exterior concrete placed during the fall in cold winter area because
they may not wear off in time to let the concrete dry. t or f - CORRECT ANSWER✔✔True
