ACI Concrete Field Testing Technician- Grade I Exam |
Most Recent Exam 2026-2027 Actual Complete Real
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What must be done if there is an excessive amount of concrete
in measure following consolidation of the final layer? -
ANSWER -Remove a representative quantity of concrete with
the scoop or trowel before the strike off
The volumetric method of determining air content of concrete
can be used on concrete containing what types of aggregate? -
ANSWER -All types of aggregate
What is the approximate volume of the measuring cup used to
add water to the air meter, in relation to the volume of the air
meter bowl? - ANSWER -1.0%
What type of alcohol and concentration must be used in this
test method? - ANSWER -Isopropyl, 70% by volume
A mallet weighing ____ must be used to tap the sides of the
bowl after rodding each layer. - ANSWER -1.25 lb.
The maximum size aggregate allowed in this test method
is_____. - ANSWER -1.5 in.
,If the concrete sample contains aggregate larger than that
allowed for this test, the sample must be _____. - ANSWER -
Wet sieved over a 1-in. sieve
When filling the bowl of the air meter, the concrete must be
placed in _____ layers of equal depth. - ANSWER -2
What is the specified number of strokes required when rodding
each layer of concrete? - ANSWER -25
It is necessary to tap the sides of the bowl after each layer has
been rodded. True or False? - ANSWER -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? - ANSWER -False; the funnel must be
used
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? -
ANSWER -Bottom of the meniscus
How long should the air meter be inverted and agitated? -
ANSWER -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? - ANSWER -
A minimum of 2, a maximum of 3
Why is the isopropyl alcohol added to the meter? - ANSWER -
To reduce 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 _____. - ANSWER -0.25%
If the air content is greater than the 9% range of the meter,
_____. - ANSWER -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? - ANSWER -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? -
ANSWER -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
If more than 2.5 pints of alcohol are used, the final meter
reading is always adjusted using _____. - ANSWER -A
correction factor
Most Recent Exam 2026-2027 Actual Complete Real
Exam Questions And Correct Answers (Verified
Answers) Already Graded A+ | Guaranteed
Success!! | Newest Exam | Just Released!!
What must be done if there is an excessive amount of concrete
in measure following consolidation of the final layer? -
ANSWER -Remove a representative quantity of concrete with
the scoop or trowel before the strike off
The volumetric method of determining air content of concrete
can be used on concrete containing what types of aggregate? -
ANSWER -All types of aggregate
What is the approximate volume of the measuring cup used to
add water to the air meter, in relation to the volume of the air
meter bowl? - ANSWER -1.0%
What type of alcohol and concentration must be used in this
test method? - ANSWER -Isopropyl, 70% by volume
A mallet weighing ____ must be used to tap the sides of the
bowl after rodding each layer. - ANSWER -1.25 lb.
The maximum size aggregate allowed in this test method
is_____. - ANSWER -1.5 in.
,If the concrete sample contains aggregate larger than that
allowed for this test, the sample must be _____. - ANSWER -
Wet sieved over a 1-in. sieve
When filling the bowl of the air meter, the concrete must be
placed in _____ layers of equal depth. - ANSWER -2
What is the specified number of strokes required when rodding
each layer of concrete? - ANSWER -25
It is necessary to tap the sides of the bowl after each layer has
been rodded. True or False? - ANSWER -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? - ANSWER -False; the funnel must be
used
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? -
ANSWER -Bottom of the meniscus
How long should the air meter be inverted and agitated? -
ANSWER -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? - ANSWER -
A minimum of 2, a maximum of 3
Why is the isopropyl alcohol added to the meter? - ANSWER -
To reduce 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 _____. - ANSWER -0.25%
If the air content is greater than the 9% range of the meter,
_____. - ANSWER -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? - ANSWER -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? -
ANSWER -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
If more than 2.5 pints of alcohol are used, the final meter
reading is always adjusted using _____. - ANSWER -A
correction factor
