ACI Concrete Field Testing
Technician-Grade I Final Exam Questions
and Answers with Verified Solutions |
Latest Updated 2026
The sensor of the temperature 3 in. [75 mm]
measuring device shall be
submerged a minimum of
_____ in. [_____mm] into the
freshly mixed concrete.
The temperature measuring 1 degree F [0.5 C], 30 degrees F to
device shall have a capacity of 120 F [0 C to 50 C]
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?
The temperature of concrete True
may be measured in a wall
form. True of False
,A composite sample of False
concrete is required even if
the only purpose for obtaining
the sample is to determine
temperature. True of 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 [0.5 C]
reported to the nearest _____
degrees F [_____ C]
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
of False?
The sample of concrete used False
for temperature determination
must be rodded 25 times. True
or False?
Sampling by this method is Compliance
required when tests are to be
made to determine _____ with
specification requirements.
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.
Portions of a composite True
sample shall be thoroughly
remixed bfore beginning tests
on the sample. True of False?
The maximum elapsed time 5
allowed between obtaining the
Technician-Grade I Final Exam Questions
and Answers with Verified Solutions |
Latest Updated 2026
The sensor of the temperature 3 in. [75 mm]
measuring device shall be
submerged a minimum of
_____ in. [_____mm] into the
freshly mixed concrete.
The temperature measuring 1 degree F [0.5 C], 30 degrees F to
device shall have a capacity of 120 F [0 C to 50 C]
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?
The temperature of concrete True
may be measured in a wall
form. True of False
,A composite sample of False
concrete is required even if
the only purpose for obtaining
the sample is to determine
temperature. True of 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 [0.5 C]
reported to the nearest _____
degrees F [_____ C]
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
of False?
The sample of concrete used False
for temperature determination
must be rodded 25 times. True
or False?
Sampling by this method is Compliance
required when tests are to be
made to determine _____ with
specification requirements.
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.
Portions of a composite True
sample shall be thoroughly
remixed bfore beginning tests
on the sample. True of False?
The maximum elapsed time 5
allowed between obtaining the
