ACI CONCRETE FIELD TESTING
TECHNICIAN- GRADED 1 VERSION 1
2026/2027 WITH ACTUAL CORRECT
QUESTIONS AND VERIFIED DETAILED
ANSWERS |CURRENTLY TESTING
QUESTIONS AND SOLUTIONS|ALREADY
GRADED A+|NEWEST |BRAND NEW
VERSION!!
The maximum size aggregate allowed in this test method is_____.
1 1/2 in. (37.5 mm)
If the concrete sample contains aggregate larger than that allowed for this test, the sample must
be _____.
Wet sieved over a 1-in. (25-mm) sieve
When filling the bowl of the air meter, the concrete must be placed in _____ layers of equal
depth.
2
What is the specified number of strokes required when rodding each layer of concrete?
25
It is necessary to tap the sides of the bowl after each layer has been rodded. True or False?
True
The initial quantity of water and alcohol added to the air meter can be poured directly into the
neck of the top section of the air meter. True or False?
False; the funnel must be used
1|Page
,Upon final filling of the air meter with water, what part of the liquid level should be adjusted to
teh zero mark on the meter?
Bottom of the meniscus
How long should the air meter be inverted and agitated?
No more than five seconds at a time, but must be repeated for a minimum of 45 seconds to free
concrete from the base
How many times does the rolling operation occur?
A minimum of 2, a minimum of 3
Why is the isopropyl alcohol added to the meter?
To dispel any foam that may be on the surface of the water
The direct reading of the final liquid level in the neck of the air meter, is estimated to teh
nearest _____.
0.25%
If the air content is greater than the 9% range of the meter, _____.
Calibrated cups of water are added to ring the liquid level within the graduated range
In order for an initial meter reading to be valid, the meter must not be leaking, the liquid level
must stabilize within 6 minutes, and the foam on the surface of the liquid must not be greater
than 2 full percent divisions. True or False?
True
If less than 2.5 pints of alcohol are used, the air content is always indicated by the inal meter
reading. True or False?
False, if the air content is more than 9%, the number of calibrated cups of water introduced into
the meter to bring the liquid level within the graduated range must be added
2|Page
, If more than 2.5 pints of alcohol are used, the final meter reading is always adjusted using
_____.
A correction factor
When large amounts of alcohol are used, the direct reading will tend to indicate a _____ air
content.
Higher
At the end of the procedure, the air meter is _____.
Disassembled and its contents examined
If portions of undisturbed concrete are found in the air meter at the end of the test, _____.
The test is invalid
ASTM Method gives standardized requirements for _____, _____, _____, and _____, of test
specimens.
Making, curing, protecting, transporting
For cylinders with a diameter of 6 in. [150 mm] or greater, the tamping rod must be a round,
straight steel rod with a diameter of _____.
5/8 +- 1/16 in [16 mm +- 2 mm]
The minimum frequency of an internal vibrator used in this procedure is _____.
9000 vibrations per minute [150 Hz]
The container for obtaining the concrete sample used in this procedure can be a _____, _____,
or _____.
Metal pan, wheelbarrow, flat, clean nonabsorbent mixing board
A 6 by 12 in [150 mm by 300 mm] cylinder mold can be used for concrete containing aggregate
with particles not exceeding _____ in size, without the need for wet sieving the concrete.
3|Page
TECHNICIAN- GRADED 1 VERSION 1
2026/2027 WITH ACTUAL CORRECT
QUESTIONS AND VERIFIED DETAILED
ANSWERS |CURRENTLY TESTING
QUESTIONS AND SOLUTIONS|ALREADY
GRADED A+|NEWEST |BRAND NEW
VERSION!!
The maximum size aggregate allowed in this test method is_____.
1 1/2 in. (37.5 mm)
If the concrete sample contains aggregate larger than that allowed for this test, the sample must
be _____.
Wet sieved over a 1-in. (25-mm) sieve
When filling the bowl of the air meter, the concrete must be placed in _____ layers of equal
depth.
2
What is the specified number of strokes required when rodding each layer of concrete?
25
It is necessary to tap the sides of the bowl after each layer has been rodded. True or False?
True
The initial quantity of water and alcohol added to the air meter can be poured directly into the
neck of the top section of the air meter. True or False?
False; the funnel must be used
1|Page
,Upon final filling of the air meter with water, what part of the liquid level should be adjusted to
teh zero mark on the meter?
Bottom of the meniscus
How long should the air meter be inverted and agitated?
No more than five seconds at a time, but must be repeated for a minimum of 45 seconds to free
concrete from the base
How many times does the rolling operation occur?
A minimum of 2, a minimum of 3
Why is the isopropyl alcohol added to the meter?
To dispel any foam that may be on the surface of the water
The direct reading of the final liquid level in the neck of the air meter, is estimated to teh
nearest _____.
0.25%
If the air content is greater than the 9% range of the meter, _____.
Calibrated cups of water are added to ring the liquid level within the graduated range
In order for an initial meter reading to be valid, the meter must not be leaking, the liquid level
must stabilize within 6 minutes, and the foam on the surface of the liquid must not be greater
than 2 full percent divisions. True or False?
True
If less than 2.5 pints of alcohol are used, the air content is always indicated by the inal meter
reading. True or False?
False, if the air content is more than 9%, the number of calibrated cups of water introduced into
the meter to bring the liquid level within the graduated range must be added
2|Page
, If more than 2.5 pints of alcohol are used, the final meter reading is always adjusted using
_____.
A correction factor
When large amounts of alcohol are used, the direct reading will tend to indicate a _____ air
content.
Higher
At the end of the procedure, the air meter is _____.
Disassembled and its contents examined
If portions of undisturbed concrete are found in the air meter at the end of the test, _____.
The test is invalid
ASTM Method gives standardized requirements for _____, _____, _____, and _____, of test
specimens.
Making, curing, protecting, transporting
For cylinders with a diameter of 6 in. [150 mm] or greater, the tamping rod must be a round,
straight steel rod with a diameter of _____.
5/8 +- 1/16 in [16 mm +- 2 mm]
The minimum frequency of an internal vibrator used in this procedure is _____.
9000 vibrations per minute [150 Hz]
The container for obtaining the concrete sample used in this procedure can be a _____, _____,
or _____.
Metal pan, wheelbarrow, flat, clean nonabsorbent mixing board
A 6 by 12 in [150 mm by 300 mm] cylinder mold can be used for concrete containing aggregate
with particles not exceeding _____ in size, without the need for wet sieving the concrete.
3|Page
