ACI Field Grade 1 Practice Exam 2026
Questions and Answers
The temperature measuring device shall be cable of accurately measuring the
temperature of freshly mixed concrete to 1°F throught a range
of____________________________. - Answer -30 - 120°F
It is acceptable to measure the temperature of freshly mixed concrete in the forms
provided? - Answer -The sensor of the temperature measuring device has at least 3
in. of cover in all directions.
Composite samples are required even if the only purpose for obtaining the sample
is to determine temperature. - Answer -False
The temperature measuring device is left in the freshly mixed concrete for at least
_______________ but not more than 5 minutes. - Answer -2 minutes
Test Method C1064/C1064M specifies a maximum temperature of freshly mixed
concrete. - Answer -False
The elapsed time between obtaining the first and final portions of a composite
sample shall not exceed ____________________. - Answer -15 minutes
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, Individual samples shall be combined and remixed with a shovel the minimum
amount necessary to ensure uniformity. - Answer -True
The following test must be started within 5 minutes after obtaining the final portion
of the composite sample: - Answer -Slump, Temperature, Air Content
The concrete sample must be protected from? - Answer -Contamination &
Evaporation
When strength specimens are to be made, the minimum sample size is
__________________. - Answer -1.0 ft3
Portions of the composite should be taken from the _______________of the batch
discharge. - Answer -Middle
A composite sample taken from a paving mixer consists of _______________
individual samples taken from different portions of the pile. - Answer -Five
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 know as? - Answer -Wet
Sieving
The slump test is considered applicable to plastic concrete having a coarse
aggregate up to ____________________. - Answer -1 1/2 in.
The height of the slump mold is_________________. - Answer -12 inches
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
Questions and Answers
The temperature measuring device shall be cable of accurately measuring the
temperature of freshly mixed concrete to 1°F throught a range
of____________________________. - Answer -30 - 120°F
It is acceptable to measure the temperature of freshly mixed concrete in the forms
provided? - Answer -The sensor of the temperature measuring device has at least 3
in. of cover in all directions.
Composite samples are required even if the only purpose for obtaining the sample
is to determine temperature. - Answer -False
The temperature measuring device is left in the freshly mixed concrete for at least
_______________ but not more than 5 minutes. - Answer -2 minutes
Test Method C1064/C1064M specifies a maximum temperature of freshly mixed
concrete. - Answer -False
The elapsed time between obtaining the first and final portions of a composite
sample shall not exceed ____________________. - Answer -15 minutes
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, Individual samples shall be combined and remixed with a shovel the minimum
amount necessary to ensure uniformity. - Answer -True
The following test must be started within 5 minutes after obtaining the final portion
of the composite sample: - Answer -Slump, Temperature, Air Content
The concrete sample must be protected from? - Answer -Contamination &
Evaporation
When strength specimens are to be made, the minimum sample size is
__________________. - Answer -1.0 ft3
Portions of the composite should be taken from the _______________of the batch
discharge. - Answer -Middle
A composite sample taken from a paving mixer consists of _______________
individual samples taken from different portions of the pile. - Answer -Five
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 know as? - Answer -Wet
Sieving
The slump test is considered applicable to plastic concrete having a coarse
aggregate up to ____________________. - Answer -1 1/2 in.
The height of the slump mold is_________________. - Answer -12 inches
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
