ACI Concrete Field Testing Technician- Grade I Correctly Answered Questions| UpToDate | Already Graded A+

Section 1: Temperature of Freshly Mixed Hydraulic-Cement Concrete ☑: C1064 The end of the temperature sensing portion of the temperature measuring device is submerged a minimum of _____ into the freshly mixed concrete. ☑: 3 inches The temperature measuring device shall be capable of accurately measuring temperature of freshly mixed concrete to _____, throughout a range of _____. ☑: +/- 1 °F 30 °F to 120 °F The temperature measuring device shall be verified _____, or whenever there is a question of _____. ☑: Annually, accuracy The temperature of concrete may be measured in a wheelbarrow. True or False? ☑: True EXCELLENCE 2 The temperature of concrete may be measured in a wall form. True of False ☑: True A composite sample of concrete is required even if the only purpose for obtaining the sample is to determine temperature. True of False? ☑: False What must be done to the sample container prior to sampling the concrete? ☑: Dampen (with water) What must be done to the concrete surrounding the temperature measuring device after the device is submerged in the fresh concrete. ☑: Gently press the concrete around the temperature measuring device at the surface of the concrete How long must the temperature measuring device remain in the freshly mixed concrete? ☑: At least 2 minutes but not more than 5 minutes After the temperature of the concrete is read, what is required? ☑: Reporting of temperature The temperature of concrete is reported to the nearest _____.