ACI CTCI
ACI Concrete Transportation Construction Inspector (CTCI)
PlacementEnglish
Exam overviewPractice session
Per ACI 306 cold-weather concreting recommendations, cold weather begins when the air temperature is below 40 degrees F for more than half of any consecutive 24-hour period, OR when the air temperature is below ___ degrees F at any time during the 24-hour period.
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