ACI Certification- Concrete Field Testing Technician Grade 1 CP-1 questions with correct answers

ASTM C1064 Answer Standard Test Method For Temperature of Freshly Mixed Hydraulic-Cement Concrete The sensor of the temperature measuring device shall be submerged a minimum of ______ inches into the freshly mixed concrete. Answer 3" The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to ± ______ °F throughout a range of ____________. Answer 1 degree, 30 degrees to 120 degrees The temperature measuring device shall be calibrated ______ , or whenever there is a question of ______ . Answer Annually, accuracy The temperature of concrete may be measured in a wheelbarrow. True or False? Answer True The temperature of concrete may be measured in a wall form. True or False? Answer True What must be done to the sample container prior to sampling the concrete? Answer Dampen with water What must be done to the concrete surrounding the temperature measuring device after the device is submerged in the fresh concrete? Answer Close off air voids by gently pressing the concrete around the device