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ACI Aggregate Testing Technician - Level 1 -
Section 3 Exam Questions And Answers 2025
Update.
During this test method, water-soluble materials, clay particles, and incidental aggregate
particles are removed from the aggregate. True or False? - Answer✔True
Of the two possible test procedures, Procedure A is to be used unless otherwise specified. True
or False? - Answer✔True
In one of the methods only ____ is used for washing and in the other method a ____ is used as
well. - Answer✔Water, wetting agent
The purpose of using a wetting agent is to ____ finer than the 75 μm sieve from the coarser
material. - Answer✔Loosen material
Dry sieving separates out the finer particles more effectively than wet sieving. True or False? -
Answer✔False; wet sieving works better
The kinds of materials that respond well to wetting agents include ____ coatings, coatings on
aggregates that have been extracted from mixtures. - Answer✔Clay, bituminous
Complete the list of equipment needed to carry out the procedures:
a) a balance or scale
b) _________
c)a ________
d)an _______ - Answer✔Two sieves (No. 200 & No. 8-16), container (pan or vessel), oven
A common wetting agent is ordinary liquid _____. - Answer✔Dishwashing detergent
A danger in using mechanical washing equipment is that ____ may be degraded. -
Answer✔Samples
1
ACI Aggregate Testing Technician - Level 1 -
Section 3 Exam Questions And Answers 2025
Update.
During this test method, water-soluble materials, clay particles, and incidental aggregate
particles are removed from the aggregate. True or False? - Answer✔True
Of the two possible test procedures, Procedure A is to be used unless otherwise specified. True
or False? - Answer✔True
In one of the methods only ____ is used for washing and in the other method a ____ is used as
well. - Answer✔Water, wetting agent
The purpose of using a wetting agent is to ____ finer than the 75 μm sieve from the coarser
material. - Answer✔Loosen material
Dry sieving separates out the finer particles more effectively than wet sieving. True or False? -
Answer✔False; wet sieving works better
The kinds of materials that respond well to wetting agents include ____ coatings, coatings on
aggregates that have been extracted from mixtures. - Answer✔Clay, bituminous
Complete the list of equipment needed to carry out the procedures:
a) a balance or scale
b) _________
c)a ________
d)an _______ - Answer✔Two sieves (No. 200 & No. 8-16), container (pan or vessel), oven
A common wetting agent is ordinary liquid _____. - Answer✔Dishwashing detergent
A danger in using mechanical washing equipment is that ____ may be degraded. -
Answer✔Samples
1
