1|Page
ACI Concrete Field Testing Technician-
Grade I 2025 | Actual Exam Questions With
Verified Solutions
A plastic container can be used for the measure in this method. True or False?-
correct-answer-False, measure must be steel or another suitable metal
What is the minimum thickness of a metal strike-off plate?-correct-answer-1/4 in.
[6 mm]
What is the minimum thickness for a glass or acrylic strike-off plate?-correct-
answer-1/2 in. [12 mm]
What is the specified weight of the mallet used on measures that are 0.5 ft^3 [14
L] or smaller?-correct-answer-1.25 +- 0.50 lb. [600 +- 200 g]
Measures other than air meter bowls used for this test must conform to ASTM
_____.-correct-answer-C29
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Air meter bowls used for this test must conform to ASTM _____ and be calibrated
for volumee according to ASTM _____.-correct-answer-C231, C29
The concrete sample must be obtained in accodance with what ASTM method?-
correct-answer-C172
What method of consolidation must be used when the slump is greater than 3 in.
[75 mm]?-correct-answer-Rodding
What method of consolidation must be used when the slump is less than 1 in. (25
mm]?-correct-answer-Vibration
If rodding is the method of consolidation being used, the measure must be filled
in how many layers?-correct-answer-3
For a measure of 0.5 ft^3 [14 L], what is the required number of strokes of the
tamping rod for consolidation of each layer?-correct-answer-25
, 3|Page
When rodding the middle and the top layers, the tamping rod should penetrate
into the layer below approximately _____.-correct-answer-1 in. [25 mm]
If vibration is the method of consolidation, the measure must be filled in _____
approximately equal layers.-correct-answer-2
If, after consolidation of the final layer, the concrete level is 1/2 in. (13 mm) above
the top of the measure, what should be done?-correct-answer-Remove a
representative portion of the excess concrete with a trowel or scoop
After consolidation of the final layer, an excess of concrete ____ above the top of
the measure is considered optimum.-correct-answer-1/8 in. [3 mm]
After completing the strike-off procedure, what must be done before weighing the
measure and sample?-correct-answer-Clean off any excess concrete
The pressure method of determining air content can be used on concrete
containing _____ _____ aggregate.-correct-answer-Relatively Dense
ACI Concrete Field Testing Technician-
Grade I 2025 | Actual Exam Questions With
Verified Solutions
A plastic container can be used for the measure in this method. True or False?-
correct-answer-False, measure must be steel or another suitable metal
What is the minimum thickness of a metal strike-off plate?-correct-answer-1/4 in.
[6 mm]
What is the minimum thickness for a glass or acrylic strike-off plate?-correct-
answer-1/2 in. [12 mm]
What is the specified weight of the mallet used on measures that are 0.5 ft^3 [14
L] or smaller?-correct-answer-1.25 +- 0.50 lb. [600 +- 200 g]
Measures other than air meter bowls used for this test must conform to ASTM
_____.-correct-answer-C29
,2|Page
Air meter bowls used for this test must conform to ASTM _____ and be calibrated
for volumee according to ASTM _____.-correct-answer-C231, C29
The concrete sample must be obtained in accodance with what ASTM method?-
correct-answer-C172
What method of consolidation must be used when the slump is greater than 3 in.
[75 mm]?-correct-answer-Rodding
What method of consolidation must be used when the slump is less than 1 in. (25
mm]?-correct-answer-Vibration
If rodding is the method of consolidation being used, the measure must be filled
in how many layers?-correct-answer-3
For a measure of 0.5 ft^3 [14 L], what is the required number of strokes of the
tamping rod for consolidation of each layer?-correct-answer-25
, 3|Page
When rodding the middle and the top layers, the tamping rod should penetrate
into the layer below approximately _____.-correct-answer-1 in. [25 mm]
If vibration is the method of consolidation, the measure must be filled in _____
approximately equal layers.-correct-answer-2
If, after consolidation of the final layer, the concrete level is 1/2 in. (13 mm) above
the top of the measure, what should be done?-correct-answer-Remove a
representative portion of the excess concrete with a trowel or scoop
After consolidation of the final layer, an excess of concrete ____ above the top of
the measure is considered optimum.-correct-answer-1/8 in. [3 mm]
After completing the strike-off procedure, what must be done before weighing the
measure and sample?-correct-answer-Clean off any excess concrete
The pressure method of determining air content can be used on concrete
containing _____ _____ aggregate.-correct-answer-Relatively Dense
