ACI CONCRETE FIELD TESTING TECHNICIAN- GRADE I EXAM ACTUAL EXAM WITH 100- VERIFIED ANSWERS PROFESSOR VERIFIED

ACI CONCRETE FIELD TESTING TECHNICIAN-
GRADE I EXAM 2025-2026 ACTUAL EXAM WITH
100% VERIFIED ANSWERS PROFESSOR
VERIFIED



The sensor of the temperature measuring device shall be submerged a
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minimum of
| | in. [ mm] into the freshly mixed concrete. -
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CORRECT-ANSWER-3 in. [75 mm]
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The temperature measuring device shall have a capacity of measuring
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temperature of freshly mixed concrete to +-
| | | degrees F [+- | | | | | | | |



C] throughout a range of
| | . - CORRECT-ANSWER-1 degree F [0.5 C],
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30 degrees F to 120 F [0 C to 50 C]
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The temperature measuring device shall be calibrated
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whenever there is a question of
| | . - CORRECT-ANSWER-Annually,
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accuracy
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,The temperature of concrete may be measured in a wheelbarrow. True
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or False? - CORRECT-ANSWER-True
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The temperature of concrete may be measured in a wall form. True of
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False - CORRECT-ANSWER-True
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A composite sample of concrete is required even if the only purpose for
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obtaining the sample is to determine temperature. True of False? -
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CORRECT-ANSWER-False
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What must be done to the sample container prior to sampling the
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concrete? - CORRECT-ANSWER-Dampen (with water)
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The composite sample for a paving mixer must represent a minimum of
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different portions of the batch of concrete taken from the pile
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after discharge. - CORRECT-ANSWER-5
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,When sampling from a revolving drum truck mixer, concrete must be
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sampled at a minimum of
| | regularly spaced intervals during
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discharge of the middle portion of this batch. - CORRECT-ANSWER-2
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Concrete samples from a truck mixer must be obtained before any
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water or admixtures are added to the mixer at the job site. True or
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False? - CORRECT-ANSWER-False
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The composite samples from a truck mixer must be obtained from the
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portion of the batch. - CORRECT-ANSWER-Middle
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When the concrete contains aggregate larger than that permitted for a
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particular test method, the sample of concrete must be
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before making the test. - CORRECT-ANSWER-Wet sieved
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The slump test is applicable to plastic concrete with a maximum size
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aggregate of
| . - CORRECT-ANSWER-1.5 in. [37.5 mm]
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, When the concrete contains aggregate larger than allowed for the
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slump test, the large aggregate must be
| | | . - CORRECT-ANSWER-
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Removed by wet sieving the sample over 1.5 in. [37.5 mm] sieve
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The mold for making the slump test is in the shape of
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CORRECT-ANSWER-The frustum of a cone | | | |




The height of the slump mold is
| | | | | | | . - CORRECT-ANSWER-12 in. [300
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mm]
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The interior surface of the slump mold is allowed to have minor
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irregularities. True or False? - CORRECT-ANSWER-False
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For use in the slump test, the end or both ends of the tamping rod must
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be
| | . - CORRECT-ANSWER-Rounded to a hemispherical tip
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