ACI - AGGREGATE BASE TESTING TECHNICIAN
TEST (ACTUAL 2025) QUESTIONS & VERIFIED
ANSWERS (A+ GRADED)
Testing
Sampling should be done very carefully because it is as
important as ____________.
Conveyer belts
Transport units
Roadways
Stockpiles
What are the four sources from which field samples can be
obtained?
60C/140F
The drying apparatus used for dry preparation of a sample is
any suitable device capable of drying samples at a
temperature not exceeding _____.
,representative, fines
A suitable sample splitter is one capable of obtaining ____
portions of the sample without appreciable loss of ____.
110, 60
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.
25, 10
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.
2.00mm (No. 10), Two
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.
Pulverizing operation
, 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.
The liquid limit of a soil
What is defined as he water content at which the soil passes
from a plastic to a liquid?
corrosion, mass, disintegration
(LL) suitable containers should be made of material resistant
to ____ and not subject to change in ____ or ___ on repeated
heating and cooling.
100g
(LL) A sample with a mass of about ___ shall be taken from
the thoroughly mixed portion of the material.
13, one half
Wear on the liquid limit device is considered excessive whe
the point of contact on the cup or base exceeds approximately
TEST (ACTUAL 2025) QUESTIONS & VERIFIED
ANSWERS (A+ GRADED)
Testing
Sampling should be done very carefully because it is as
important as ____________.
Conveyer belts
Transport units
Roadways
Stockpiles
What are the four sources from which field samples can be
obtained?
60C/140F
The drying apparatus used for dry preparation of a sample is
any suitable device capable of drying samples at a
temperature not exceeding _____.
,representative, fines
A suitable sample splitter is one capable of obtaining ____
portions of the sample without appreciable loss of ____.
110, 60
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.
25, 10
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.
2.00mm (No. 10), Two
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.
Pulverizing operation
, 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.
The liquid limit of a soil
What is defined as he water content at which the soil passes
from a plastic to a liquid?
corrosion, mass, disintegration
(LL) suitable containers should be made of material resistant
to ____ and not subject to change in ____ or ___ on repeated
heating and cooling.
100g
(LL) A sample with a mass of about ___ shall be taken from
the thoroughly mixed portion of the material.
13, one half
Wear on the liquid limit device is considered excessive whe
the point of contact on the cup or base exceeds approximately
