ACI Concrete Field Testing Technician- Grade I Exam Questions And Answers

ACI Concrete Field Testing Technician- Grade I Exam Questions And Answers Section 1: Temperature of Freshly Mixed Hydraulic-Cement Concrete - ANS C1064 The end of the temperature sensing portion of the temperature measuring device is submerged a minimum of _____ into the freshly mixed concrete. - ANS 3 inches The temperature measuring device shall be capable of accurately measuring temperature of freshly mixed concrete to _____, throughout a range of _____. - ANS +/- 1 °F 30 °F to 120 °F The temperature measuring device shall be verified _____, or whenever there is a question of _____. - ANS Annually, accuracy The temperature of concrete may be measured in a wheelbarrow. True or False? - ANS True The temperature of concrete may be measured in a wall form. True of False - ANS True A composite sample of concrete is required even if the only purpose for obtaining the sample is to determine temperature. True of False? - ANS False What must be done to the sample container prior to sampling the concrete? - ANS Dampen (with water)