ACI Written Exam | 100% Correct Answers | Verified | Latest 2024 Version

The sensor of the temperature measuring device shall be submerged a minimum of ____ in - 3 (75mm) The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to +-_____ degrees F throught a range of _____ - 1(.5 degrees C), 30-120 (0-50 degrees C) The temperature measuring device shall be calibrated____, or whenever there is a question of _____ - annually, accuracy The temp of concrete may be measured in a wheelbarrow - true the temp of concrete may be measured in a wall form - true A composite sample of concrete is required even if the only purpose for obtaining the sample is to determine temp. - 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 temp measuring device after the device has submerged - Press concrete around measuring device How long must the temp device remain in the concrete - at least 2 minutes (but no more than 5) After temp of concrete is read, what then is required - reporting of temp the temp of concrete to be measured to the nearest ____degree F - 1 (.5 degree C)According to the ASTM C1064 what is one reason to take the temp of concrete - verify conformance to a specified requirement for temp A max temp of concrete is specified in ASTM C1064 - False