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

The sensor of the temperature measuring device shall be submerged a minimum of _____ in. [_____mm] into the freshly mixed concrete. ☑: 3 in. [75 mm] The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to +- _____ degrees F [+- _____ C] throughout a range of _____. ☑: 1 degree F [0.5 C], 30 degrees F to 120 F [0 C to 50 C] The temperature measuring device shall be calibrated _____, or whenever there is a question of _____. ☑: Annually, accuracy The temperature of concrete may be measured in a wheelbarrow. True or False? ☑: True The temperature of concrete may be measured in a wall form. True of False ☑: True EXCELLENCE 2 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)