ACI Concrete Field-Testing Technician-
Grade I Practice Exam correctly
answered to pass
ASTM C1064 - Temperature of Fresh Concrete
The temperature measuring device shall be capable of accurately measuring the
temperature of freshly mixed concrete to 1°F throughout a range of _______. -
correct answer ✔✔30 - 120°F
ASTM C1064 - Temperature of Fresh Concrete
It is acceptable to measure the temperature of freshly mixed concrete in the
forms provided: - correct answer ✔✔A) The sensor of the temperature measuring
device has at least 3 in. of cover in all directions.
ASTM C1064 - Temperature of Fresh Concrete
Is the following statement true or false?
Composite samples are required even if the only purpose for obtaining the sample
is to determine temperature. - correct answer ✔✔False
ASTM C1064 - Temperature of Fresh Concrete
,The temperature measuring device is left in the freshly mixed concrete for at least
_______ but not more than 5 minutes. - correct answer ✔✔2 minutes
ASTM C1064 - Temperature of Fresh Concrete
Is the following statement true or false?
Test Method C1064/C1064M specifies a maximum temperature of freshly mixed
concrete. - correct answer ✔✔False
ASTM C172 - Sampling Fresh Concrete
The elapsed time between obtaining the first and final portions of a composite
sample shall not exceed _______. - correct answer ✔✔15 minutes
ASTM C172 - Sampling Fresh Concrete
Is the following statement true or false?Individual samples shall be combined and
remixed with a shovel the minimum amount necessary to ensure uniformity. -
correct answer ✔✔True
ASTM C172 - Sampling Fresh Concrete
The following tests must be started within 5 minutes after obtaining the final
portion of the composite sample: - correct answer ✔✔D) All of the above
, ASTM C172 - Sampling Fresh Concrete
The concrete sample must be protected from: - correct answer ✔✔C) a&B
ASTM C172 - Sampling Fresh Concrete
When strength specimens are to be made, the minimum sample size is _______. -
correct answer ✔✔1.0 ft³
ASTM C172 - Sampling Fresh Concrete
Portions of the composite should be taken from the _______ of the batch
discharge. - correct answer ✔✔Middle
ASTM C172 - Sampling Fresh Concrete
A composite sample taken from a paving mixer consists of _______ individual
samples taken from different portions of the pile. - correct answer ✔✔Five
ASTM C172 - Sampling Fresh Concrete
The process of removing aggregate larger than a designated size from the fresh
concrete by sieving it on a sieve of the designated size is known as: - correct
answer ✔✔Wet sieving
Grade I Practice Exam correctly
answered to pass
ASTM C1064 - Temperature of Fresh Concrete
The temperature measuring device shall be capable of accurately measuring the
temperature of freshly mixed concrete to 1°F throughout a range of _______. -
correct answer ✔✔30 - 120°F
ASTM C1064 - Temperature of Fresh Concrete
It is acceptable to measure the temperature of freshly mixed concrete in the
forms provided: - correct answer ✔✔A) The sensor of the temperature measuring
device has at least 3 in. of cover in all directions.
ASTM C1064 - Temperature of Fresh Concrete
Is the following statement true or false?
Composite samples are required even if the only purpose for obtaining the sample
is to determine temperature. - correct answer ✔✔False
ASTM C1064 - Temperature of Fresh Concrete
,The temperature measuring device is left in the freshly mixed concrete for at least
_______ but not more than 5 minutes. - correct answer ✔✔2 minutes
ASTM C1064 - Temperature of Fresh Concrete
Is the following statement true or false?
Test Method C1064/C1064M specifies a maximum temperature of freshly mixed
concrete. - correct answer ✔✔False
ASTM C172 - Sampling Fresh Concrete
The elapsed time between obtaining the first and final portions of a composite
sample shall not exceed _______. - correct answer ✔✔15 minutes
ASTM C172 - Sampling Fresh Concrete
Is the following statement true or false?Individual samples shall be combined and
remixed with a shovel the minimum amount necessary to ensure uniformity. -
correct answer ✔✔True
ASTM C172 - Sampling Fresh Concrete
The following tests must be started within 5 minutes after obtaining the final
portion of the composite sample: - correct answer ✔✔D) All of the above
, ASTM C172 - Sampling Fresh Concrete
The concrete sample must be protected from: - correct answer ✔✔C) a&B
ASTM C172 - Sampling Fresh Concrete
When strength specimens are to be made, the minimum sample size is _______. -
correct answer ✔✔1.0 ft³
ASTM C172 - Sampling Fresh Concrete
Portions of the composite should be taken from the _______ of the batch
discharge. - correct answer ✔✔Middle
ASTM C172 - Sampling Fresh Concrete
A composite sample taken from a paving mixer consists of _______ individual
samples taken from different portions of the pile. - correct answer ✔✔Five
ASTM C172 - Sampling Fresh Concrete
The process of removing aggregate larger than a designated size from the fresh
concrete by sieving it on a sieve of the designated size is known as: - correct
answer ✔✔Wet sieving
