Page 1 of 61
ACI CONCRETE FIELD TESTING TECHNICIAN-
GRADE I 2026 EXAM BANK ALL COMPLETE
(285) CURRENT TESTING QUESTIONS AND
DETAILED CORRECT ANSWERS|GUARANTEED
PASS.
ACI
Prepare for the ACI Concrete Field Testing Technician – Grade I
Exam with this concise study resource covering concrete testing
procedures, field inspection techniques, and industry
standards. It reinforces key concepts aligned with guidelines
from the American Concrete Institute. Designed to support
effective preparation and exam readiness. Suitable for
construction professionals and technicians seeking ACI Grade I
certification.
The temperature of concrete may be measured in a wall
form. True or False ✓ ✓ ...... ANSWER ....... True
The sensor of the temperature measuring device shall be
submerged a minimum of _____ in. into the freshly mixed
concrete. ✓ ✓ ...... ANSWER ....... 3 in.
, Page 2 of 61
Portions of a composite sample shall be thoroughly remixed
bfore beginning tests on the sample. True or False? ✓ ✓ ......
ANSWER ....... True
The temperature measuring device shall have a capacity of
measuring temperature of freshly mixed concrete to +- _____
degrees F [+- _____ C] throughout a range of _____. ✓ ✓ ......
ANSWER ....... 1 degree F, 30 degrees F to 120 F
The temperature measuring device shall be calibrated _____,
or whenever there is a question of _____. ✓ ✓ ...... ANSWER
....... Annually, accuracy
The temperature of concrete may be measured in a
wheelbarrow. True or False? ✓ ✓ ...... ANSWER .......
True
A composite sample of concrete is required even if the only
purpose for obtaining the sample is to determine
temperature. True or False? ✓ ✓ ...... ANSWER .......
False
, Page 3 of 61
What must be done to the sample container prior to
sampling the concrete? ✓ ✓ ...... ANSWER .......
Dampen with water
What must be done to the concrete surrounding the
temperature measuring device after the device is submerged
in the fresh concrete. ✓ ✓ ...... ANSWER ....... Gently
press the concrete around the temperature measuring
device at the surface of the concrete
How long must the temperature measuring device remain in
the freshly mixed concrete? ✓ ✓ ...... ANSWER ....... At
least 2 minutes but not more than 5 minutes
After the temperature of the concrete is read, what is
required? ✓ ✓ ...... ANSWER ....... Reporting of
temperature
The temperature of concrete is reported to the nearest _____
degrees F ✓ ✓ ...... ANSWER ....... 1 degree F
, Page 4 of 61
According to ASTM C1064, what is one reason to take the
temperature of concrete? ✓ ✓ ...... ANSWER ....... Verify
conformance to a specified requirement for temperature of
concrete
A maximum temperature of freshly mixed concrete is
specified in ASTM C1064. True or False? ✓ ✓ ...... ANSWER
....... False
This method covers sampling from four types of mixtures
which are _____, _____, _____, and _____. ✓ ✓ ...... ANSWER
....... Stationary mixers, paving mixers, revolving drum
mixers, and open top mixers
The maximum allowable time between obtaining the first
and final portions of a composite sample is _____ minutes.
✓ ✓ ...... ANSWER ....... 15
The maximum elapsed time allowed between obtaining the
final portion of the composite sample and beginning the
tests for slump, temperature, and air content is _____
minutes. ✓ ✓ ...... ANSWER ....... 5
ACI CONCRETE FIELD TESTING TECHNICIAN-
GRADE I 2026 EXAM BANK ALL COMPLETE
(285) CURRENT TESTING QUESTIONS AND
DETAILED CORRECT ANSWERS|GUARANTEED
PASS.
ACI
Prepare for the ACI Concrete Field Testing Technician – Grade I
Exam with this concise study resource covering concrete testing
procedures, field inspection techniques, and industry
standards. It reinforces key concepts aligned with guidelines
from the American Concrete Institute. Designed to support
effective preparation and exam readiness. Suitable for
construction professionals and technicians seeking ACI Grade I
certification.
The temperature of concrete may be measured in a wall
form. True or False ✓ ✓ ...... ANSWER ....... True
The sensor of the temperature measuring device shall be
submerged a minimum of _____ in. into the freshly mixed
concrete. ✓ ✓ ...... ANSWER ....... 3 in.
, Page 2 of 61
Portions of a composite sample shall be thoroughly remixed
bfore beginning tests on the sample. True or False? ✓ ✓ ......
ANSWER ....... True
The temperature measuring device shall have a capacity of
measuring temperature of freshly mixed concrete to +- _____
degrees F [+- _____ C] throughout a range of _____. ✓ ✓ ......
ANSWER ....... 1 degree F, 30 degrees F to 120 F
The temperature measuring device shall be calibrated _____,
or whenever there is a question of _____. ✓ ✓ ...... ANSWER
....... Annually, accuracy
The temperature of concrete may be measured in a
wheelbarrow. True or False? ✓ ✓ ...... ANSWER .......
True
A composite sample of concrete is required even if the only
purpose for obtaining the sample is to determine
temperature. True or False? ✓ ✓ ...... ANSWER .......
False
, Page 3 of 61
What must be done to the sample container prior to
sampling the concrete? ✓ ✓ ...... ANSWER .......
Dampen with water
What must be done to the concrete surrounding the
temperature measuring device after the device is submerged
in the fresh concrete. ✓ ✓ ...... ANSWER ....... Gently
press the concrete around the temperature measuring
device at the surface of the concrete
How long must the temperature measuring device remain in
the freshly mixed concrete? ✓ ✓ ...... ANSWER ....... At
least 2 minutes but not more than 5 minutes
After the temperature of the concrete is read, what is
required? ✓ ✓ ...... ANSWER ....... Reporting of
temperature
The temperature of concrete is reported to the nearest _____
degrees F ✓ ✓ ...... ANSWER ....... 1 degree F
, Page 4 of 61
According to ASTM C1064, what is one reason to take the
temperature of concrete? ✓ ✓ ...... ANSWER ....... Verify
conformance to a specified requirement for temperature of
concrete
A maximum temperature of freshly mixed concrete is
specified in ASTM C1064. True or False? ✓ ✓ ...... ANSWER
....... False
This method covers sampling from four types of mixtures
which are _____, _____, _____, and _____. ✓ ✓ ...... ANSWER
....... Stationary mixers, paving mixers, revolving drum
mixers, and open top mixers
The maximum allowable time between obtaining the first
and final portions of a composite sample is _____ minutes.
✓ ✓ ...... ANSWER ....... 15
The maximum elapsed time allowed between obtaining the
final portion of the composite sample and beginning the
tests for slump, temperature, and air content is _____
minutes. ✓ ✓ ...... ANSWER ....... 5
