ACI CERTIFICATION TESTS ACTUAL EXAM
PAPER 2026 FULL QUESTIONS AND CORRECT
ANSWERS ALREADY PASSED
◉ C172/C172M
The composite sample from a truck mixer must be obtained from the
__________ portion of the batch. Answer: Middle
◉ C172/C172M
When the concrete contains aggregate larger than the permitted for
a particular test method, the sample of concrete must be
______________ before making the test.. Answer: Wet Sieved
◉ C143/C143M
The slump test is applicable to plastic concrete with a maximum size
aggregate of _________. Answer: 1-1/2"
◉ C143/C143M
When the concrete contains aggregate larger than allowed for the
slump test, the large aggregate must be __________________. Answer:
Removed by wet sieving the smaple over 1-1/2" sieve
◉ C143/C143M
,The mold for making the slump test is in the shape of. Answer: The
frustum of a cone
◉ C143/C143M
The Height of the slope cone is _________. Answer: 12"
◉ C143/C143M
The interior surface of the slump mold is allowed to have minor
irregularities T/F. Answer: False
◉ C143/C143M
for use in the slump test, the tamping end or both ends of the
tamping rod must be _____________. Answer: Rounded to a
hemispherical tip
◉ C143/C143M
The sample of concrete for use in making the slump test must be
obtained in accordance with practice _________. Answer: C172/C172M
◉ C143/C143M
The slump mold should be in a dry condition before beginning the
test? T/F. Answer: FALSE
, ◉ C143/C143M
The surface on which the slump mold will be placed must be.
Answer: Flat, moist, nonabsorbent, and rigid
◉ C143/C143M
The slump mold is filled in _________ layers. Answer: 3
◉ C143/C143M
Each layer should fill approximately ___- the volume of the mold.
Answer: one-third
◉ C143/C143M
The approximate concrete depth (in vertical distance) after placing
the first layer is _______, and the second layer is ___________. Answer: 2-
5/8", and 6-1/8"
◉ C143/C143M
Rod each layer ____- times uniformly over the cross section with the
rounded end of the rod. Answer: 25 times
◉ C143/C143M
how deep should the tamping rod penetrate into each layer?.
Answer: Rod each layer throughout its depth, on the second and
PAPER 2026 FULL QUESTIONS AND CORRECT
ANSWERS ALREADY PASSED
◉ C172/C172M
The composite sample from a truck mixer must be obtained from the
__________ portion of the batch. Answer: Middle
◉ C172/C172M
When the concrete contains aggregate larger than the permitted for
a particular test method, the sample of concrete must be
______________ before making the test.. Answer: Wet Sieved
◉ C143/C143M
The slump test is applicable to plastic concrete with a maximum size
aggregate of _________. Answer: 1-1/2"
◉ C143/C143M
When the concrete contains aggregate larger than allowed for the
slump test, the large aggregate must be __________________. Answer:
Removed by wet sieving the smaple over 1-1/2" sieve
◉ C143/C143M
,The mold for making the slump test is in the shape of. Answer: The
frustum of a cone
◉ C143/C143M
The Height of the slope cone is _________. Answer: 12"
◉ C143/C143M
The interior surface of the slump mold is allowed to have minor
irregularities T/F. Answer: False
◉ C143/C143M
for use in the slump test, the tamping end or both ends of the
tamping rod must be _____________. Answer: Rounded to a
hemispherical tip
◉ C143/C143M
The sample of concrete for use in making the slump test must be
obtained in accordance with practice _________. Answer: C172/C172M
◉ C143/C143M
The slump mold should be in a dry condition before beginning the
test? T/F. Answer: FALSE
, ◉ C143/C143M
The surface on which the slump mold will be placed must be.
Answer: Flat, moist, nonabsorbent, and rigid
◉ C143/C143M
The slump mold is filled in _________ layers. Answer: 3
◉ C143/C143M
Each layer should fill approximately ___- the volume of the mold.
Answer: one-third
◉ C143/C143M
The approximate concrete depth (in vertical distance) after placing
the first layer is _______, and the second layer is ___________. Answer: 2-
5/8", and 6-1/8"
◉ C143/C143M
Rod each layer ____- times uniformly over the cross section with the
rounded end of the rod. Answer: 25 times
◉ C143/C143M
how deep should the tamping rod penetrate into each layer?.
Answer: Rod each layer throughout its depth, on the second and
