ACI Aggregate Testing Technician Level 1 Sample Written Exam
ACI AGGREGATE TESTING TECHNICIAN LEVEL 1 SAMPLE WRITTEN
EXAM LATEST 2025/2026 ACTUAL EXAM COMPLETE
QUESTIONS AND CORRECT ANSWERS GRADED A+ GUARANTEED
PASS- ACE YOUR EXAM
The results must be reported to the nearest whole number if the fine material is
what percent or greater of the total material used?
A. 20%
B. 10%
C. 5%
D. 0.5%
E. 15% - Correct Answer-B
More than ____ minutes is considered excessive time spent in the mechanical
sieve shaker and
may result in degradation of the sample.
A. 5
B. 10
C. 15
D.20 - Correct Answer-B
When sieving by hand, it is acceptable to rotate particles to see if they will go
through sieve openings,
but not to force them through.
1|Page
, ACI Aggregate Testing Technician Level 1 Sample Written Exam
A. True
B. False - Correct Answer-A
The laboratory standard for absorption is the level obtained after ____ of soaking.
A. 48 hr
B. 15 hr
C. 72 hr
D. 7 days - Correct Answer-B
In sampling, all material not passing a ____ sieve by dry sieving should be
retained.
A. 4.75 mm (No. 4)
B. 2.36 mm (No. 8)
C. 3.35 mm (No. 6)
D. 2.00 mm (No. 10) - Correct Answer-A
AASHTO T 84 Standard Method of Test for Specific Gravity and Absorption of Fine
Aggregate Equipment needed to carry out this test includes:
A. Balance
B. Pycnometer
C. Tarp
D.Aand B
E.Aand C - Correct Answer-D
2|Page
, ACI Aggregate Testing Technician Level 1 Sample Written Exam
Drying with paper towels, use of colorimetric procedures and alternate tamping
methods can be used on materials that do not readily:
A. Mix
B. Dry
C. Slump
D. A and B - Correct Answer-C
Which of the following are requirements for an acceptable container?
A. It should always be metallic
B. It should be large enough to eliminate spilling
C. It should be unaffected by heat
D. A and B
E. B and C - Correct Answer-E
An ordinary frying pan should never be used with a hot plate because of heat
transfer problems.
A. True
B. False - Correct Answer-B
After the 3% NaOH solution is added to the sample of fine aggregate in the bottle:
A. The aggregate and liquid mixture should be heated gently until it becomes
darker than the reference mixture
B. The bottle should be shaken and then allowed to stand for 3 hours before color
comparison is made
3|Page
ACI AGGREGATE TESTING TECHNICIAN LEVEL 1 SAMPLE WRITTEN
EXAM LATEST 2025/2026 ACTUAL EXAM COMPLETE
QUESTIONS AND CORRECT ANSWERS GRADED A+ GUARANTEED
PASS- ACE YOUR EXAM
The results must be reported to the nearest whole number if the fine material is
what percent or greater of the total material used?
A. 20%
B. 10%
C. 5%
D. 0.5%
E. 15% - Correct Answer-B
More than ____ minutes is considered excessive time spent in the mechanical
sieve shaker and
may result in degradation of the sample.
A. 5
B. 10
C. 15
D.20 - Correct Answer-B
When sieving by hand, it is acceptable to rotate particles to see if they will go
through sieve openings,
but not to force them through.
1|Page
, ACI Aggregate Testing Technician Level 1 Sample Written Exam
A. True
B. False - Correct Answer-A
The laboratory standard for absorption is the level obtained after ____ of soaking.
A. 48 hr
B. 15 hr
C. 72 hr
D. 7 days - Correct Answer-B
In sampling, all material not passing a ____ sieve by dry sieving should be
retained.
A. 4.75 mm (No. 4)
B. 2.36 mm (No. 8)
C. 3.35 mm (No. 6)
D. 2.00 mm (No. 10) - Correct Answer-A
AASHTO T 84 Standard Method of Test for Specific Gravity and Absorption of Fine
Aggregate Equipment needed to carry out this test includes:
A. Balance
B. Pycnometer
C. Tarp
D.Aand B
E.Aand C - Correct Answer-D
2|Page
, ACI Aggregate Testing Technician Level 1 Sample Written Exam
Drying with paper towels, use of colorimetric procedures and alternate tamping
methods can be used on materials that do not readily:
A. Mix
B. Dry
C. Slump
D. A and B - Correct Answer-C
Which of the following are requirements for an acceptable container?
A. It should always be metallic
B. It should be large enough to eliminate spilling
C. It should be unaffected by heat
D. A and B
E. B and C - Correct Answer-E
An ordinary frying pan should never be used with a hot plate because of heat
transfer problems.
A. True
B. False - Correct Answer-B
After the 3% NaOH solution is added to the sample of fine aggregate in the bottle:
A. The aggregate and liquid mixture should be heated gently until it becomes
darker than the reference mixture
B. The bottle should be shaken and then allowed to stand for 3 hours before color
comparison is made
3|Page
