ACI Field Grade 1 Practice Test | 50 Questions
with 100% Correct Answers | Verified | Latest
Update 2025
A composite sample taken from a paving mixer consists of _______________
individual samples taken from different portions of the pile.
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?
Wet Sieving
The slump test is considered applicable to plastic concrete having a coarse
aggregate up to ____________________.
1 1/2 in.
The height of the slump mold is_________________.
12 inches
The interior surface of the slump mold shall be relatively smooth and free from
projections.
True
, The tamping rod used for the slump test shall have a minimum length of
____________ and a maximum length of _______________.
16 in. & 24 in.
The slump mold is filled in ___________ layers of _______________.
3, equal volume
If the concrete subsides below the top of the slump mold while rodding the top
layer, the test is invalid.
False
Slump is determined by measuring the vertical distance between?
The top of the mold and the original displaced center of the top surface of the
specimen.
Slump is reported to the nearest?
1/4 in.
The tamping rod used for Density (Unit Weight), Yield, and Air Content
(Gravimetric) is:
5/8 in. diameter with a hemispherical tamping end
The minimum thickness of a glass or acrylic strike-off plate for determining
Density (Unit Weight), Tield, and Air Content (Gravimetric) is:
1/2 in.
When determining Density (Unit Weight), Yield, and Air Content (Gravimetric),
concrete with a slump of 4 in. must be consolidated in what manner?
with 100% Correct Answers | Verified | Latest
Update 2025
A composite sample taken from a paving mixer consists of _______________
individual samples taken from different portions of the pile.
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?
Wet Sieving
The slump test is considered applicable to plastic concrete having a coarse
aggregate up to ____________________.
1 1/2 in.
The height of the slump mold is_________________.
12 inches
The interior surface of the slump mold shall be relatively smooth and free from
projections.
True
, The tamping rod used for the slump test shall have a minimum length of
____________ and a maximum length of _______________.
16 in. & 24 in.
The slump mold is filled in ___________ layers of _______________.
3, equal volume
If the concrete subsides below the top of the slump mold while rodding the top
layer, the test is invalid.
False
Slump is determined by measuring the vertical distance between?
The top of the mold and the original displaced center of the top surface of the
specimen.
Slump is reported to the nearest?
1/4 in.
The tamping rod used for Density (Unit Weight), Yield, and Air Content
(Gravimetric) is:
5/8 in. diameter with a hemispherical tamping end
The minimum thickness of a glass or acrylic strike-off plate for determining
Density (Unit Weight), Tield, and Air Content (Gravimetric) is:
1/2 in.
When determining Density (Unit Weight), Yield, and Air Content (Gravimetric),
concrete with a slump of 4 in. must be consolidated in what manner?
