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ACI AGGREGATE TESTING TECHNICIAN -
LEVEL 1 - SAMPLE WRITTEN EXAM 2026
QUESTIONS AND ANSWERS| ACE YOUR
GRADES.
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
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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
C. The solution should not be disturbed for one hour, after which
color comparison may be made
D. Stopper the bottle, shake vigorously, and then allow to stand
for 24 hours - correct answer -D
The mass of fine aggregate needed for the test sample is about:
A. 450 g (1 lb)
B. 2250 g (5 lb)
C. 900 g (2 lb)
D. 4500 g (10 lb) - correct answer -A
ACI AGGREGATE TESTING TECHNICIAN -
LEVEL 1 - SAMPLE WRITTEN EXAM 2026
QUESTIONS AND ANSWERS| ACE YOUR
GRADES.
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
, Page | 2
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
C. The solution should not be disturbed for one hour, after which
color comparison may be made
D. Stopper the bottle, shake vigorously, and then allow to stand
for 24 hours - correct answer -D
The mass of fine aggregate needed for the test sample is about:
A. 450 g (1 lb)
B. 2250 g (5 lb)
C. 900 g (2 lb)
D. 4500 g (10 lb) - correct answer -A
