ACI CONCRETE FIELD TESTING TECHNICIAN- GRADE I EXAM 2025 ACTUAL EXAM WITH 100- VERIFIED QUESTIONS AND CORRECT ANSWERS

ACI CONCRETE FIELD TESTING
TECHNICIAN- GRADE I EXAM
2025 ACTUAL EXAM WITH
100% VERIFIED QUESTIONS
AND CORRECT ANSWERS




The sensor of the temperature measuring device shall be submerged a minimum
| | | | | | | | | | |


|of in. [ ____mm] into the freshly mixed concrete. - CORRECT-ANSWER-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 ---------- CORRECT-ANSWER-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 ---------- CORRECT-ANSWER-Annually, accuracy
| | | | |

,The temperature of concrete may be measured in a wheelbarrow. True or False? -
| | | | | | | | | | | | |


CORRECT-ANSWER-True




The temperature of concrete may be measured in a wall form. True of False -
| | | | | | | | | | | | | |


CORRECT-ANSWER-True




A composite sample of concrete is required even if the only purpose for obtaining
| | | | | | | | | | | | |


the sample is to determine temperature. True of False? - CORRECT-ANSWER-False
| | | | | | | | | | |




What must be done to the sample container prior to sampling the concrete? -
| | | | | | | | | | | | |


CORRECT-ANSWER-Dampen (with water) | |




What must be done to the concrete surrounding the temperature measuring
| | | | | | | | | |


device after the device is submerged in the fresh concrete. - CORRECT-ANSWER-
| | | | | | | | | | | |


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? - CORRECT-ANSWER-At least 2 minutes but not more than 5 minutes
| | | | | | | | | | | |




After the temperature of the concrete is read, what is required? - CORRECT-
| | | | | | | | | | | |


ANSWER-Reporting of temperature
| | |




The temperature of concrete is reported to the nearest
| | | | | | | | | degrees F [ | | C]
- CORRECT-ANSWER-1 degree F [0.5 C]
| | | | |




According to ASTM C1064, what is one reason to take the temperature of
| | | | | | | | | | | |


concrete? - CORRECT-ANSWER-Verify conformance to a specified requirement for
| | | | | | | | |


temperature of concrete
| | |




A maximum temperature of freshly mixed concrete is specified in ASTM C1064.
| | | | | | | | | | |


True of False? - CORRECT-ANSWER-False
| | | | |




When sampling from a revolving drum truck mixer, concrete must be sampled at
| | | | | | | | | | | |


a minimum of
| | regularly spaced intervals during discharge of the middle
| | | | | | | | |


portion of this batch. - CORRECT-ANSWER-2
| | | | | |