©THEBRIGHT EXAM SOLUTIONS
11/7/2024 12:35 PM
ACI Concrete Field Testing Technician-
Grade I Exam Questions With Correct
Answers
The sensor of the temperature measuring device shall be submerged a minimum of _____ in.
[_____mm] into the freshly mixed concrete. - answer✔3 in. [75 mm]
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 [0.5 C], 30 degrees F to 120 F [0 C to 50 C]
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
The temperature of concrete may be measured in a wall form. True of False - answer✔True
A composite sample of concrete is required even if the only purpose for obtaining the sample is
to determine temperature. True of False? - answer✔False
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
, ©THEBRIGHT EXAM SOLUTIONS
11/7/2024 12:35 PM
The temperature of concrete is reported to the nearest _____ degrees F [_____ C] - answer✔1
degree F [0.5 C]
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 of False? -
answer✔False
The sample of concrete used for temperature determination must be rodded 25 times. True or
False? - answer✔False
Sampling by this method is required when tests are to be made to determine _____ with
specification requirements. - answer✔Compliance
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
Portions of a composite sample shall be thoroughly remixed bfore beginning tests on the
sample. True of False? - answer✔True
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
The molding of strength test specimens shall begin within _____ minutes after fabricating the
composite sample. - answer✔15
The concrete sample must be protected from contamination and _____. - answer✔Rapid
evaporation
The minimum size sample for making strength test specimens is _____. - answer✔28 L (1ft^3)
When sampling from a stationary mixer, the batch must be sampled at _____ or more regularly
spaced intervals during discharge of the middle portion of the batch - answer✔2
The composite sample for a paving mixer must represent a minimum of _____ different
portions of the batch of concrete taken from the pile after discharge. - answer✔5
11/7/2024 12:35 PM
ACI Concrete Field Testing Technician-
Grade I Exam Questions With Correct
Answers
The sensor of the temperature measuring device shall be submerged a minimum of _____ in.
[_____mm] into the freshly mixed concrete. - answer✔3 in. [75 mm]
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 [0.5 C], 30 degrees F to 120 F [0 C to 50 C]
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
The temperature of concrete may be measured in a wall form. True of False - answer✔True
A composite sample of concrete is required even if the only purpose for obtaining the sample is
to determine temperature. True of False? - answer✔False
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
, ©THEBRIGHT EXAM SOLUTIONS
11/7/2024 12:35 PM
The temperature of concrete is reported to the nearest _____ degrees F [_____ C] - answer✔1
degree F [0.5 C]
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 of False? -
answer✔False
The sample of concrete used for temperature determination must be rodded 25 times. True or
False? - answer✔False
Sampling by this method is required when tests are to be made to determine _____ with
specification requirements. - answer✔Compliance
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
Portions of a composite sample shall be thoroughly remixed bfore beginning tests on the
sample. True of False? - answer✔True
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
The molding of strength test specimens shall begin within _____ minutes after fabricating the
composite sample. - answer✔15
The concrete sample must be protected from contamination and _____. - answer✔Rapid
evaporation
The minimum size sample for making strength test specimens is _____. - answer✔28 L (1ft^3)
When sampling from a stationary mixer, the batch must be sampled at _____ or more regularly
spaced intervals during discharge of the middle portion of the batch - answer✔2
The composite sample for a paving mixer must represent a minimum of _____ different
portions of the batch of concrete taken from the pile after discharge. - answer✔5
