ACI Certification (Written test) ASTM
C173 Volumetric
the volumetric method of determining air content of concrete can be used on concrete
containing what type of aggregate?
all types of aggregates
what are the requirements for the tamping rod used in this test method
round, straight, 5/8, hemispherical
what are the requirements for the strike of bar used in this test method
flat steel, 1/8 x 3/4 x 12 in, made of high density polyethylene
what is the approximate volume of the measuring cup used to add water to the air meter, in
relation to the volume of the air meter bowl?
1.0 +- 0.04%
what type of alcohol and concentration must be used in this test method
70% isopropyl
a mallet weighing lbs must be used to tap the sides of the bowl after rodding each layer
1.25 +- 0.5
the sample of concrete used in this test method must be obtained in accordance with what
astm practice
C172
the maximum size aggregate allowed in this test method is
1 - 1/2"
if the concrete sample contains aggregate larger than that allowed for this test, the sample
must be
wet sieved over 1"
C173 Volumetric
the volumetric method of determining air content of concrete can be used on concrete
containing what type of aggregate?
all types of aggregates
what are the requirements for the tamping rod used in this test method
round, straight, 5/8, hemispherical
what are the requirements for the strike of bar used in this test method
flat steel, 1/8 x 3/4 x 12 in, made of high density polyethylene
what is the approximate volume of the measuring cup used to add water to the air meter, in
relation to the volume of the air meter bowl?
1.0 +- 0.04%
what type of alcohol and concentration must be used in this test method
70% isopropyl
a mallet weighing lbs must be used to tap the sides of the bowl after rodding each layer
1.25 +- 0.5
the sample of concrete used in this test method must be obtained in accordance with what
astm practice
C172
the maximum size aggregate allowed in this test method is
1 - 1/2"
if the concrete sample contains aggregate larger than that allowed for this test, the sample
must be
wet sieved over 1"
