ACI AGGREGATE TESTING
TECHNICIAN LEVEL 1 LATEST 2025
ACTUAL EXAM QUESTIONS AND
DETAILED CORRECT ANSWERS | A+
GRADE STUDY RESOURCE 2025/2026
C702
For coarse aggregrate and mixed aggregrate, the
minimum width of the individual chutes shall be
approximately ______ % larger than the largest particles
in the sample to be split.
a) 10
b) 25
c) 50
d) 75 Correct Answer c) 50
C702
For dry fine aggregrate in which the entire sample will
pass the 3/8" sieve, a splitter having chutes ____ in. to
______ in. shall be used.
a) 1/2, 3/4
b) 1/4, 3/4
c) 1/2, 1
d) 1/4, 1/2 Correct Answer a) 1/2, 3/4
C702
,When using the quartering method, mix the material
thoroughly by turning the entire sample over ______
times.
a) 8
b) 4
c) 3
d) 2 Correct Answer c) 3
C702
When quartering the material, the diameter should be
approximately ______ to ______ times the thickness of
the sample pile.
a) 2, 4
b) 4, 8
c) 5, 10
d) 3, 4 Correct Answer b) 4, 8
C702
After dividing the flattened mass into four equal quarters,
remove ____________ quarter(s).
a) 3 adjoining
b) 2 adjoining
c) Diagonally oppposite
d) 1 Correct Answer c) diagonally opposite
C702
Obtain a sample for each test by selecting at least _____
increments of material at random locations from the
miniature stockpiles using any of the sampling devices.
a) 2
b) 3
,c) 4
d) 5 Correct Answer d) 5
C702
Devices for mixing the aggregrate include (Circle
Accepted Devices):
a) straight edged scoop
b) round edged scoop
c) shovel
d) trowel Correct Answer a, c, d
C702
Devices for sampling aggregrate include (Circle Accepted
Devices):
a) small sampling thief
b) small shovel
c) small scoop
d) spoon
e) spatula Correct Answer a, c, d
C702
Under certain circumstances, reduction in size of the large
sample prior to testing is not recommended.
True or False? Correct Answer True
C117
Unless otherwise specified, a wetting agent shall not be
used.
True or False? Correct Answer True
C117
, If a large amount of additional material finer than the #200
sieve is obtained in the dry sieving process after the
material has already been washed, this could indicate
that...
a) holes are expanded beyond tolerance.
b) the aggregate is degrading and/or the washing
operation was not efficient.
c) the material is out of specification
d) the sieves shakers were not run long enough Correct
Answer b)
C117
The balance or scale shall be readable and accurate to
0.1 grams or ___% of the test load, whichever is greater,
at any point within the range of use.
a) 0.1
b) 0.5
c) 1.0
d) 5.0 Correct Answer a) 0.1
C117
The nest of sieves shall include an upper sieve of...
a) #40
b) #16
c) #10
d) #8 Correct Answer b) #16
TECHNICIAN LEVEL 1 LATEST 2025
ACTUAL EXAM QUESTIONS AND
DETAILED CORRECT ANSWERS | A+
GRADE STUDY RESOURCE 2025/2026
C702
For coarse aggregrate and mixed aggregrate, the
minimum width of the individual chutes shall be
approximately ______ % larger than the largest particles
in the sample to be split.
a) 10
b) 25
c) 50
d) 75 Correct Answer c) 50
C702
For dry fine aggregrate in which the entire sample will
pass the 3/8" sieve, a splitter having chutes ____ in. to
______ in. shall be used.
a) 1/2, 3/4
b) 1/4, 3/4
c) 1/2, 1
d) 1/4, 1/2 Correct Answer a) 1/2, 3/4
C702
,When using the quartering method, mix the material
thoroughly by turning the entire sample over ______
times.
a) 8
b) 4
c) 3
d) 2 Correct Answer c) 3
C702
When quartering the material, the diameter should be
approximately ______ to ______ times the thickness of
the sample pile.
a) 2, 4
b) 4, 8
c) 5, 10
d) 3, 4 Correct Answer b) 4, 8
C702
After dividing the flattened mass into four equal quarters,
remove ____________ quarter(s).
a) 3 adjoining
b) 2 adjoining
c) Diagonally oppposite
d) 1 Correct Answer c) diagonally opposite
C702
Obtain a sample for each test by selecting at least _____
increments of material at random locations from the
miniature stockpiles using any of the sampling devices.
a) 2
b) 3
,c) 4
d) 5 Correct Answer d) 5
C702
Devices for mixing the aggregrate include (Circle
Accepted Devices):
a) straight edged scoop
b) round edged scoop
c) shovel
d) trowel Correct Answer a, c, d
C702
Devices for sampling aggregrate include (Circle Accepted
Devices):
a) small sampling thief
b) small shovel
c) small scoop
d) spoon
e) spatula Correct Answer a, c, d
C702
Under certain circumstances, reduction in size of the large
sample prior to testing is not recommended.
True or False? Correct Answer True
C117
Unless otherwise specified, a wetting agent shall not be
used.
True or False? Correct Answer True
C117
, If a large amount of additional material finer than the #200
sieve is obtained in the dry sieving process after the
material has already been washed, this could indicate
that...
a) holes are expanded beyond tolerance.
b) the aggregate is degrading and/or the washing
operation was not efficient.
c) the material is out of specification
d) the sieves shakers were not run long enough Correct
Answer b)
C117
The balance or scale shall be readable and accurate to
0.1 grams or ___% of the test load, whichever is greater,
at any point within the range of use.
a) 0.1
b) 0.5
c) 1.0
d) 5.0 Correct Answer a) 0.1
C117
The nest of sieves shall include an upper sieve of...
a) #40
b) #16
c) #10
d) #8 Correct Answer b) #16
