ACI Concrete Field Testing Technician - Grade 1 (18) Exam With Complete Solutions

ACI Concrete Field Testing Technician - Grade 1 (18) Exam With Complete Solutions ASTM C 1064 - The sensor of the temperature measuring device shall be submerged a minimum of _____ in into the freshly mixed concrete. - answer3 inches ASTM C 1064 - The temperature measuring device shall have a capacity of measuring the temperature of freshly mixed concrete to +- _____ degrees F throughout a range of _____. - answer1 degree, 30 degrees F to 120 F ASTM C 1064 - The temperature measuring device shall be calibrated _____, or whenever there is a question of _____. - answerAnnually, accuracy ASTM C 1064 - The temperature of concrete may be measured in a wheelbarrow. True or False? - answerTrue ASTM C 1064 - The temperature of concrete may be measured in a wall form. True or False? - answerTrue ASTM C 1064 - A composite sample of concrete is required even if the only purpose for obtaining the sample is to determine temperature. True or False? - answerFalse ASTM C 1064 - What must be done to the sample container prior to sampling the concrete? - answerDampen (with water) ASTM C 1064 - What must be done to the concrete surrounding the temperature measuring device after the device is submerged in the fresh concrete? - answerGently press the concrete around the temperature measuring device at the surface of the concrete ASTM C 1064 - How long must the temperature measuring device remain in the freshly mixed concrete? - answerAt least 2 minutes but not more than 5 minutes ASTM C 1064 - After the temperature of the concrete is read, what is required? - answerReporting of temperature ASTM C 1064 - The temperature of concrete is reported to the nearest _____ degrees F - answer1 degree F According to ASTM C1064, what is one reason to take the temperature of concrete? - answerVerify conformance to a specified requirement for temperature of concrete. A maximum temperature of freshly mixed concrete is specified in ASTM C 1064. True or False? - answerFalse ASTM C 1064 - The sample of concrete used for temperature determination must be rodded 25 times. True or False? - answerFalse ASTM C 1064 - The sensor of the temperature measuring device shall have a minimum of _____ in. of cover in all directions. - answer3 in. ASTM C 1064 - The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to +- _____ degrees F throughout a range of _____. - answer1 degree F, 30-120 degrees F ASTM C 172 - Sampling by this method is required when tests are to be made to determine _____ with specification requirements. - answerCompliance ASTM C 1064 - Reference thermometers calibrations must be traceable to ______ and must be accurate to ____ deg F. - answerNIST, .5 deg ASTM C 1064 - If the only test being performed is temperature, the temperature of concrete may be measured in a wheelbarrow, transporting equipment, forms, and any area of discharge. True or False? - answerTrue ASTM C 1064 - A composite sample of concrete is required even if the only purpose for obtaining the sample is to determine temperature. True or False? - answerFalse ASTM C 1064 - The sample container (if used) to measure concrete must be large enough to provide at least ____ in. of coverage and concrete cover must be ____the nominal size of the aggregate. - answer3 in, 3 times ASTM C 1064 - What must be done to the concrete surrounding the temperature measuring device after the device is submerged in the fresh concrete? - answerGently press and seal the hole created around the stem of the temperature device so that it is not affected by the ambient air temperature. ASTM C 1064 - After the temperature of the concrete is read, what is required? - answerReport temperature (while device is still submerged) According to ASTM C 1064, what is one reason to take the temperature of concrete? - answerVerify conformance to a specified requirement for temperature of concrete. ASTM C 1064 - The sample of concrete used for temperature determination must be rodded 25 times. True or False? - answerFalse ASTM C 1064 - Sampling by this method is required when tests are to be made to determine _____ with specification requirements. - answerComplianc