ACI Concrete Field Testing Technician
Exam Questions and Answers with
Verified Solutions | Latest Updated 2026
collecting a representative Accurate results
sample of concrete to be
tested is as important as
executing the test methods to
obtain ___________?
This practice Cover sampling Stationary mixers, paving mixers,
from four types of equipment revolving truck mixers, continuous
which are? mixers
The elapsed time between 15 min
obtain the first and final
portions of composite sample
shall not exceed?
Portions of composite sample True
shall be thoroughly or remix
before beginning to Test on
the sample, true or false
Start test for slump 5 min
temperature in air contact
within______ after obtaining
the final portion of the
composite sample.
, Start molding specimens for 15 min
strengths within_____ after
fabricating the composite
sample
The concrete sample must be Evapoation
protected from contamination
and?
The minimum size sample for 1 ft^3 [28L]
making strength test specimen
is?
One sampling from Stationæry
mixer, the batch must be
sampled at_______ or more
regularly spaced intervals
during discharge of the middle
portion of the batch.
When sampling for paving 5
mixer, obtain samples from at
least_________ different
portions of the pile and
combine them into one
composite sample for test
purposes
When sampling from revolving
truck mixer, sample the
concrete by collecting_____ or
more portions take it regularly
spaced intervals during
discharge of the middle
Exam Questions and Answers with
Verified Solutions | Latest Updated 2026
collecting a representative Accurate results
sample of concrete to be
tested is as important as
executing the test methods to
obtain ___________?
This practice Cover sampling Stationary mixers, paving mixers,
from four types of equipment revolving truck mixers, continuous
which are? mixers
The elapsed time between 15 min
obtain the first and final
portions of composite sample
shall not exceed?
Portions of composite sample True
shall be thoroughly or remix
before beginning to Test on
the sample, true or false
Start test for slump 5 min
temperature in air contact
within______ after obtaining
the final portion of the
composite sample.
, Start molding specimens for 15 min
strengths within_____ after
fabricating the composite
sample
The concrete sample must be Evapoation
protected from contamination
and?
The minimum size sample for 1 ft^3 [28L]
making strength test specimen
is?
One sampling from Stationæry
mixer, the batch must be
sampled at_______ or more
regularly spaced intervals
during discharge of the middle
portion of the batch.
When sampling for paving 5
mixer, obtain samples from at
least_________ different
portions of the pile and
combine them into one
composite sample for test
purposes
When sampling from revolving
truck mixer, sample the
concrete by collecting_____ or
more portions take it regularly
spaced intervals during
discharge of the middle
