ACI AGGREGATE TESTING
TECHNICIAN - LEVEL 1 - SECTION 4
2026 QUESTIONS AND ANSWERS| ACE
YOUR GRADES.
AASHTO T 27 / ASTM C136
Reduction of the size of the sample in the field may occur when
______ is the only test to be done. - correct answer -Sieve
analysis
AASHTO T 27 / ASTM C136
The size of the test sample of coarse aggregate or of aggregate
mixtures must be between ___ and ___ kg. - correct answer -300,
500
AASHTO T 27 / ASTM C136
It is usually important to dry coarse aggregate for the sieve
analysis or the results will be affected by the moisture content. -
correct answer -False; it's unnecessary; the results are affected
little
, Page | 2
AASHTO T 27 / ASTM C136
During the procedure, the nested sieves can be agitated by _____
or ______ . - correct answer -Hand, mechanical apparatus
AASHTO T 27 / ASTM C136
The amount of material on each sieve should be _____ so that
particles pass over the sieve openings several times. - correct
answer -limited
AASHTO T 27 / ASTM C136
It is acceptable to rotate particles to see if they will go through
sieve openings, but not to force them through. - correct answer -
True
AASHTO T 27 / ASTM C136
The ____ mass of the material should check closely with the ____
of the sample.
If the amounts in the differ by more than ____ , the ____ shouldn't
be used for acceptance purposes. - correct answer -Total, original
mass