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ACI AGGREGATE TESTING
TECHNICIAN - LEVEL 2 EXAM 2026
LATEST QUESTIONS AND ANSWERS|
ACE YOUR GRADES.
ASTM D5821 % of Fractured Particles in Coarse Agg.
1. This test method covers the determination of the ___________
by mass or by count, of a coarse aggregate sample that consists
of fractured particles meeting specified requirements. - correct
answer -Percentage
ASTM D5821 % of Fractured Particles in Coarse Agg.
2. A fractured face refers to an angular, rough or ________
surface of an aggregate particle created by ____________, by
other artificial means, or by ________. - correct answer -Broken;
crushing; nature
ASTM D5821 % of Fractured Particles in Coarse Agg.
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3. A face is considered a "fractured face" only if it has a projected
area at least as large as ______ of the maximum projected area
of the particle and the face has ________ and _____________
edges. - correct answer -One quarter; sharp; well defined
ASTM D5821 % of Fractured Particles in Coarse Agg.
4. The minimum number of fractured faces a particle of aggregate
must have to be considered a fractured particle is __________. -
correct answer -One or two
ASTM D5821 % of Fractured Particles in Coarse Agg.
5. One purpose of requirements relating to percentage of
fractured particles in coarse aggregates is to maximize
________________ by increasing _______________________ in
either bound or unbound aggregate mixtures. - correct answer -
Shear strength; inter-particle friction
ASTM D5821 % of Fractured Particles in Coarse Agg.
6. Another purpose for these requirements is to provide
_________ for surface treatment aggregates and to provide
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increased ________ and _________ for aggregates used in
pavement surface courses. - correct answer -Stability; friction;
texture
ASTM D5821 % of Fractured Particles in Coarse Agg.
7. If the specification does not specify the number of fractured
faces required on a fractured particle, use the criterion of at least
____ fractured face(s). - correct answer -One
ASTM D5821 % of Fractured Particles in Coarse Agg.
8. If it is unknown whether percentage by mass or percentage by
particle count should be used, which one should be used?
___________________________ - correct answer -Percentage
by mass
ASTM D5821 % of Fractured Particles in Coarse Agg.
9. The balance or scale should be readable to ___ % of the test
sample mass at any point within the range of use. - correct
answer -0.1
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ASTM D5821 % of Fractured Particles in Coarse Agg.
10. The aggregate for this test method should be sampled
according to Practice _________. - correct answer -D 75
ASTM D5821 % of Fractured Particles in Coarse Agg.
11. The sample should be sufficiently _______ to obtain a clean
separation of fine and coarse material in the sieving operation. -
correct answer -dried
ASTM D5821 % of Fractured Particles in Coarse Agg.
12. The mass of the test sample shall be at least large enough so
that the largest particle is not more than ___ % of the sample
mass. - correct answer -1
ASTM D5821 % of Fractured Particles in Coarse Agg.
13. For aggregate with a nominal maximum size of 19.0 mm (3/4
in.) or larger, where the fracture particle content is to be
ACI AGGREGATE TESTING
TECHNICIAN - LEVEL 2 EXAM 2026
LATEST QUESTIONS AND ANSWERS|
ACE YOUR GRADES.
ASTM D5821 % of Fractured Particles in Coarse Agg.
1. This test method covers the determination of the ___________
by mass or by count, of a coarse aggregate sample that consists
of fractured particles meeting specified requirements. - correct
answer -Percentage
ASTM D5821 % of Fractured Particles in Coarse Agg.
2. A fractured face refers to an angular, rough or ________
surface of an aggregate particle created by ____________, by
other artificial means, or by ________. - correct answer -Broken;
crushing; nature
ASTM D5821 % of Fractured Particles in Coarse Agg.
, Page | 2
3. A face is considered a "fractured face" only if it has a projected
area at least as large as ______ of the maximum projected area
of the particle and the face has ________ and _____________
edges. - correct answer -One quarter; sharp; well defined
ASTM D5821 % of Fractured Particles in Coarse Agg.
4. The minimum number of fractured faces a particle of aggregate
must have to be considered a fractured particle is __________. -
correct answer -One or two
ASTM D5821 % of Fractured Particles in Coarse Agg.
5. One purpose of requirements relating to percentage of
fractured particles in coarse aggregates is to maximize
________________ by increasing _______________________ in
either bound or unbound aggregate mixtures. - correct answer -
Shear strength; inter-particle friction
ASTM D5821 % of Fractured Particles in Coarse Agg.
6. Another purpose for these requirements is to provide
_________ for surface treatment aggregates and to provide
, Page | 3
increased ________ and _________ for aggregates used in
pavement surface courses. - correct answer -Stability; friction;
texture
ASTM D5821 % of Fractured Particles in Coarse Agg.
7. If the specification does not specify the number of fractured
faces required on a fractured particle, use the criterion of at least
____ fractured face(s). - correct answer -One
ASTM D5821 % of Fractured Particles in Coarse Agg.
8. If it is unknown whether percentage by mass or percentage by
particle count should be used, which one should be used?
___________________________ - correct answer -Percentage
by mass
ASTM D5821 % of Fractured Particles in Coarse Agg.
9. The balance or scale should be readable to ___ % of the test
sample mass at any point within the range of use. - correct
answer -0.1
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ASTM D5821 % of Fractured Particles in Coarse Agg.
10. The aggregate for this test method should be sampled
according to Practice _________. - correct answer -D 75
ASTM D5821 % of Fractured Particles in Coarse Agg.
11. The sample should be sufficiently _______ to obtain a clean
separation of fine and coarse material in the sieving operation. -
correct answer -dried
ASTM D5821 % of Fractured Particles in Coarse Agg.
12. The mass of the test sample shall be at least large enough so
that the largest particle is not more than ___ % of the sample
mass. - correct answer -1
ASTM D5821 % of Fractured Particles in Coarse Agg.
13. For aggregate with a nominal maximum size of 19.0 mm (3/4
in.) or larger, where the fracture particle content is to be
