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ACI Concrete field testing technician- grade
1 sample Exam Questions And Answers
|Latest 2025 | Guaranteed Pass.
The method of determining air content of concrete containing lightweight aggregate is the
pressure method. True or False - Answer✔False
When making a test cylinder from concrete being used in construction, the field technician
must also measure the slump of the concrete. True or False - Answer✔True
While the technician is checking the slump of the concrete, there is a decided falling away or
shearing off of the concrete from one side of the sample. What should the technician do?
A. Measure the slump directly over the center of the original base of the mold
B. Measure the slump at the average distance above the original center
C. Disregard the test and retest on another portion of the sample
D. None of the above - Answer✔C
Preparation of specimens for transport includes:
A. Determination that at least 8 hours has elapsed since final set
B. Ensuring specimens have not been demolded
C. Allowing the specimen to air dry for at least 4 hours - Answer✔A
If the aggregate correction factor for a given source of fine and coarse aggregate is found to be
0.2% in a pressure air meter, and an air content value of 5.0% is dead in the gage of the same
air meter containing concrete with the same aggregate, what is the correct air content?
1
ACI Concrete field testing technician- grade
1 sample Exam Questions And Answers
|Latest 2025 | Guaranteed Pass.
The method of determining air content of concrete containing lightweight aggregate is the
pressure method. True or False - Answer✔False
When making a test cylinder from concrete being used in construction, the field technician
must also measure the slump of the concrete. True or False - Answer✔True
While the technician is checking the slump of the concrete, there is a decided falling away or
shearing off of the concrete from one side of the sample. What should the technician do?
A. Measure the slump directly over the center of the original base of the mold
B. Measure the slump at the average distance above the original center
C. Disregard the test and retest on another portion of the sample
D. None of the above - Answer✔C
Preparation of specimens for transport includes:
A. Determination that at least 8 hours has elapsed since final set
B. Ensuring specimens have not been demolded
C. Allowing the specimen to air dry for at least 4 hours - Answer✔A
If the aggregate correction factor for a given source of fine and coarse aggregate is found to be
0.2% in a pressure air meter, and an air content value of 5.0% is dead in the gage of the same
air meter containing concrete with the same aggregate, what is the correct air content?
1
