ACI Concrete Field Testing Technician-
Grade I Exam Questions and Answers
with Verified Solutions | Latest Updated
2026
The temperature of concrete True
may be measured in a wall
form. True or False
The sensor of the temperature 3 in.
measuring device shall be
submerged a minimum of
_____ in. into the freshly mixed
concrete.
Portions of a composite True
sample shall be thoroughly
remixed bfore beginning tests
on the sample. True or False?
The temperature measuring 1 degree F, 30 degrees F to 120 F
device shall have a capacity of
measuring temperature of
freshly mixed concrete to +-
_____ degrees F [+- _____ C]
throughout a range of _____.
The temperature measuring Annually, accuracy
device shall be calibrated
_____, or whenever there is a
,question of _____.
The temperature of concrete True
may be measured in a
wheelbarrow. True or False?
A composite sample of False
concrete is required even if
the only purpose for obtaining
the sample is to determine
temperature. True or False?
What must be done to the Dampen with water
sample container prior to
sampling the concrete?
What must be done to the Gently press the concrete around
concrete surrounding the the temperature measuring device
temperature measuring device at the surface of the concrete
after the device is submerged
in the fresh concrete.
How long must the At least 2 minutes but not more than
temperature measuring device 5 minutes
remain in the freshly mixed
concrete?
After the temperature of the Reporting of temperature
concrete is read, what is
required?
The temperature of concrete is 1 degree F
reported to the nearest _____
, degrees F
According to ASTM C1064, Verify conformance to a specified
what is one reason to take the requirement for temperature of
temperature of concrete? concrete
A maximum temperature of False
freshly mixed concrete is
specified in ASTM C1064. True
or False?
This method covers sampling Stationary mixers, paving mixers,
from four types of mixtures revolving drum mixers, and open top
which are _____, _____, _____, mixers
and _____.
The maximum allowable time 15
between obtaining the first
and final portions of a
composite sample is _____
minutes.
The maximum elapsed time 5
allowed between obtaining the
final portion of the composite
sample and beginning the
tests for slump, temperature,
and air content is _____
minutes.
The molding of strength test 15
specimens shall begin within
_____ minutes after fabricating
Grade I Exam Questions and Answers
with Verified Solutions | Latest Updated
2026
The temperature of concrete True
may be measured in a wall
form. True or False
The sensor of the temperature 3 in.
measuring device shall be
submerged a minimum of
_____ in. into the freshly mixed
concrete.
Portions of a composite True
sample shall be thoroughly
remixed bfore beginning tests
on the sample. True or False?
The temperature measuring 1 degree F, 30 degrees F to 120 F
device shall have a capacity of
measuring temperature of
freshly mixed concrete to +-
_____ degrees F [+- _____ C]
throughout a range of _____.
The temperature measuring Annually, accuracy
device shall be calibrated
_____, or whenever there is a
,question of _____.
The temperature of concrete True
may be measured in a
wheelbarrow. True or False?
A composite sample of False
concrete is required even if
the only purpose for obtaining
the sample is to determine
temperature. True or False?
What must be done to the Dampen with water
sample container prior to
sampling the concrete?
What must be done to the Gently press the concrete around
concrete surrounding the the temperature measuring device
temperature measuring device at the surface of the concrete
after the device is submerged
in the fresh concrete.
How long must the At least 2 minutes but not more than
temperature measuring device 5 minutes
remain in the freshly mixed
concrete?
After the temperature of the Reporting of temperature
concrete is read, what is
required?
The temperature of concrete is 1 degree F
reported to the nearest _____
, degrees F
According to ASTM C1064, Verify conformance to a specified
what is one reason to take the requirement for temperature of
temperature of concrete? concrete
A maximum temperature of False
freshly mixed concrete is
specified in ASTM C1064. True
or False?
This method covers sampling Stationary mixers, paving mixers,
from four types of mixtures revolving drum mixers, and open top
which are _____, _____, _____, mixers
and _____.
The maximum allowable time 15
between obtaining the first
and final portions of a
composite sample is _____
minutes.
The maximum elapsed time 5
allowed between obtaining the
final portion of the composite
sample and beginning the
tests for slump, temperature,
and air content is _____
minutes.
The molding of strength test 15
specimens shall begin within
_____ minutes after fabricating
