ACI Concrete Field Testing Technician- Grade I
Exam Newest 2026 Questions and Correct
Detailed Answers Already Graded A+
When the concrete contains aggregate larger than that permitted for a particular
test method, the sample of concrete must be _____ _____ before making the
test. - CORRECT ANSWER-Wet sieved
The slump test is applicable to plastic concrete with a maximum size aggregate of
_____. - CORRECT ANSWER-1.5 in. [37.5 mm]
When the concrete contains aggregate larger than allowed for the slump test, the
large aggregate must be _____. - CORRECT ANSWER-Removed by wet sieving
the sample over 1.5 in. [37.5 mm] sieve
The mold for making the slump test is in the shape of _____. - CORRECT
ANSWER-The frustum of a cone
The height of the slump mold is _____. - CORRECT ANSWER-12 in. [300 mm]
,The interior surface of the slump mold is allowed to have minor irregularities.
True or False? - CORRECT ANSWER-False
For use in the slump test, the end or both ends of the tamping rod must be _____.
- CORRECT ANSWER-Rounded to a hemispherical tip
The sample of concrete for use in making the slump test must be obained in
accordance with ASTM Standard _____. - CORRECT ANSWER-C172, Standard
Practice for Sampling Freshly Mixed Concrete
The slump mold should be in a dry condition before beginning the test. True or
False? - CORRECT ANSWER-False
The surface on which the slump mold will be placed must be _____. - CORRECT
ANSWER-Flat, level, moist, nonabsorbent, and free of vibration
The slump mold is filled in _____ layers. - CORRECT ANSWER-3
Each layer should fill approximately _____ the volume of the mold. - CORRECT
ANSWER-One-third
, The approximate concrete depth (in verticle distance) after placing the first layer
is _____, and the second layer is _____. - CORRECT ANSWER-2 5/8 in. [70
mm], 6 1/8 in. [160 mm]
What is the specified number of roddings for each layer? - CORRECT ANSWER-
25
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
Exam Newest 2026 Questions and Correct
Detailed Answers Already Graded A+
When the concrete contains aggregate larger than that permitted for a particular
test method, the sample of concrete must be _____ _____ before making the
test. - CORRECT ANSWER-Wet sieved
The slump test is applicable to plastic concrete with a maximum size aggregate of
_____. - CORRECT ANSWER-1.5 in. [37.5 mm]
When the concrete contains aggregate larger than allowed for the slump test, the
large aggregate must be _____. - CORRECT ANSWER-Removed by wet sieving
the sample over 1.5 in. [37.5 mm] sieve
The mold for making the slump test is in the shape of _____. - CORRECT
ANSWER-The frustum of a cone
The height of the slump mold is _____. - CORRECT ANSWER-12 in. [300 mm]
,The interior surface of the slump mold is allowed to have minor irregularities.
True or False? - CORRECT ANSWER-False
For use in the slump test, the end or both ends of the tamping rod must be _____.
- CORRECT ANSWER-Rounded to a hemispherical tip
The sample of concrete for use in making the slump test must be obained in
accordance with ASTM Standard _____. - CORRECT ANSWER-C172, Standard
Practice for Sampling Freshly Mixed Concrete
The slump mold should be in a dry condition before beginning the test. True or
False? - CORRECT ANSWER-False
The surface on which the slump mold will be placed must be _____. - CORRECT
ANSWER-Flat, level, moist, nonabsorbent, and free of vibration
The slump mold is filled in _____ layers. - CORRECT ANSWER-3
Each layer should fill approximately _____ the volume of the mold. - CORRECT
ANSWER-One-third
, The approximate concrete depth (in verticle distance) after placing the first layer
is _____, and the second layer is _____. - CORRECT ANSWER-2 5/8 in. [70
mm], 6 1/8 in. [160 mm]
What is the specified number of roddings for each layer? - CORRECT ANSWER-
25
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
