ACI - Aggregate Base Testing Technician
{latest 2026 -2027 update} questions and
answers 100% correct
When using Method B, what is an alternate surface that can be used when reducing the
sample? - correct answer Canvas blanket or tear resistant tarp
When quartering a sample, retain two _________ quarters and reject the other two. -
correct answer diagonally opposite
In miniature stockpile sampling, obtain the sample by selecting at least ____
increments of material from ____ locations in the stockpile. - correct answer 5, random
The drying apparatus used for dry preparation of a sample is any suitable device
capable of drying samples at a temperature not exceeding _____. - correct answer
60*C/140*F
,A suitable sample splitter is one capable of obtaining ____ portions of the sample
without appreciable loss of ____. - correct answer representative, fines
For particle size analysis, material passing a 2.00mm (No. 10) sieve is required in
amounts equal to approximately ___ g for sandy soils and approximately ___g for silty
or clayey soils. - correct answer 110, 60
For specific gravity, material passing a 2.00mm (10) sieve is requires in amounts of at
least ____g when the volumetric flask is used and at least ____g when the stoppered
bottle is used. - correct answer 25, 10
For the physical test, the remaining portion of the material passing the _____ sieve
shall be separated into ____ parts by means of a 0.425mm (40) sieve. - correct answer
2.00mm (No. 10), Two
, For the physical test, if the sample contains brittle particles such as flakes of mica,
fragments of seashells, etc, the ____________ shall be done carefully to free the finer
material that adheres to the coarse particles. - correct answer Pulverizing operation
What is defined as he water content at which the soil passes from a plastic to a liquid?
- correct answer The liquid limit of a soil
(LL) suitable containers should be made of material resistant to ____ and not subject to
change in ____ or ___ on repeated heating and cooling. - correct answer corrosion,
mass, disintegration
(LL) A sample with a mass of about ___ shall be taken from the thoroughly mixed
portion of the material. - correct answer 100g
{latest 2026 -2027 update} questions and
answers 100% correct
When using Method B, what is an alternate surface that can be used when reducing the
sample? - correct answer Canvas blanket or tear resistant tarp
When quartering a sample, retain two _________ quarters and reject the other two. -
correct answer diagonally opposite
In miniature stockpile sampling, obtain the sample by selecting at least ____
increments of material from ____ locations in the stockpile. - correct answer 5, random
The drying apparatus used for dry preparation of a sample is any suitable device
capable of drying samples at a temperature not exceeding _____. - correct answer
60*C/140*F
,A suitable sample splitter is one capable of obtaining ____ portions of the sample
without appreciable loss of ____. - correct answer representative, fines
For particle size analysis, material passing a 2.00mm (No. 10) sieve is required in
amounts equal to approximately ___ g for sandy soils and approximately ___g for silty
or clayey soils. - correct answer 110, 60
For specific gravity, material passing a 2.00mm (10) sieve is requires in amounts of at
least ____g when the volumetric flask is used and at least ____g when the stoppered
bottle is used. - correct answer 25, 10
For the physical test, the remaining portion of the material passing the _____ sieve
shall be separated into ____ parts by means of a 0.425mm (40) sieve. - correct answer
2.00mm (No. 10), Two
, For the physical test, if the sample contains brittle particles such as flakes of mica,
fragments of seashells, etc, the ____________ shall be done carefully to free the finer
material that adheres to the coarse particles. - correct answer Pulverizing operation
What is defined as he water content at which the soil passes from a plastic to a liquid?
- correct answer The liquid limit of a soil
(LL) suitable containers should be made of material resistant to ____ and not subject to
change in ____ or ___ on repeated heating and cooling. - correct answer corrosion,
mass, disintegration
(LL) A sample with a mass of about ___ shall be taken from the thoroughly mixed
portion of the material. - correct answer 100g
