ACI GRADE 1 TESTING EXAM.
LATEST EDITION 2025-2026.
QUESTIONS & CORRECT ANSWERS.
GRADED A
4x8 inch cylinders that are tossed should be filled in 3 layers equal to
volume (t or f) - ANSFalse( 2 layers)
A composite sample is not needed if only the temperature test is being run(
T or F) - ANSTrue
According to ASTM C1064, what is one reason to take the temperature of
concrete? - ANSVerify conformance
According to ASTM C138, after rodding each layer, tap the sides of the
container, with the rod exactly 25 times. (T or F) - ANSFalse
According to ASTM C138, when rodding the bottom layer, the rod shall not
forcibly strike the bottom of the measure(T or F) - ANSTrue
According to ASTM C143, it is permissible to use a mold, which clamps to
a non absorbent base (t or f) - ANSTrue
According to C138, concretes with slumps of 1-3 inches may be compacted
with the vibrator or the rod. (T or F) - ANSTrue
1
, After consolidation, if the measure contains a great excess of material,
remove a quantity of representative concrete then stroll off the surface (t or
f) - ANSTrue
After sampling is completed, start the test for slump and air content within: -
ANS15 minutes
After strike-off, the next operation is : - ANSClean the excess concrete from
the exterior of the measure
After the meter had been rolled twice with no change in the liquid level and
no foam on the surface of the liquid, the direct reading of the liquid in the
neck was 3.25%. What was the air content of the concrete? The aggregate
correction factor is 0.3% & 2 pints of alcohol were added initially. - ANS3.25
After the thermometer is placed in the concrete: - ANSGently press
concrete around the thermometer.
After the top is clamped on, fill the rollameter with liquid by: - ANSUsing the
funnel until the liquid appears in the neck
After the type b meter bowl is struck-off, cleaned and the lid is clamped on:
- ANSOpen the main air and air bleeder valves, open both petcocks and fill
with water
2
LATEST EDITION 2025-2026.
QUESTIONS & CORRECT ANSWERS.
GRADED A
4x8 inch cylinders that are tossed should be filled in 3 layers equal to
volume (t or f) - ANSFalse( 2 layers)
A composite sample is not needed if only the temperature test is being run(
T or F) - ANSTrue
According to ASTM C1064, what is one reason to take the temperature of
concrete? - ANSVerify conformance
According to ASTM C138, after rodding each layer, tap the sides of the
container, with the rod exactly 25 times. (T or F) - ANSFalse
According to ASTM C138, when rodding the bottom layer, the rod shall not
forcibly strike the bottom of the measure(T or F) - ANSTrue
According to ASTM C143, it is permissible to use a mold, which clamps to
a non absorbent base (t or f) - ANSTrue
According to C138, concretes with slumps of 1-3 inches may be compacted
with the vibrator or the rod. (T or F) - ANSTrue
1
, After consolidation, if the measure contains a great excess of material,
remove a quantity of representative concrete then stroll off the surface (t or
f) - ANSTrue
After sampling is completed, start the test for slump and air content within: -
ANS15 minutes
After strike-off, the next operation is : - ANSClean the excess concrete from
the exterior of the measure
After the meter had been rolled twice with no change in the liquid level and
no foam on the surface of the liquid, the direct reading of the liquid in the
neck was 3.25%. What was the air content of the concrete? The aggregate
correction factor is 0.3% & 2 pints of alcohol were added initially. - ANS3.25
After the thermometer is placed in the concrete: - ANSGently press
concrete around the thermometer.
After the top is clamped on, fill the rollameter with liquid by: - ANSUsing the
funnel until the liquid appears in the neck
After the type b meter bowl is struck-off, cleaned and the lid is clamped on:
- ANSOpen the main air and air bleeder valves, open both petcocks and fill
with water
2
