C231 Air Content (Pressure Method)
Exam Questions and Answers with
Verified Solutions | Latest Updated 2026
Calculate the air content in % 4.5=(5.3-0.8) Note to remember:
of a concrete sample using whenever you see a correction
this info. Type B meter used factor. It always means to minus
Aggregate correction factor is
0.8 Reading on the pressure
gauge is 5.3%
s the following statement true True
or false? According to test
method C231, the aggregate
correction must be determined
in order to accurately calculate
air content.
True or False: If water collects True
in the air chamber of a type B
it must be bled to prevent
error in subsequent
measurement?
Stabilizing the gauge hand of a Pumping or bleeding off air as
type B meter at the initial necessary and tapping the gauge
pressure line is accomplished rightly.
by?
According to test C231, the 1/8 inches
optimum amount of concrete
Exam Questions and Answers with
Verified Solutions | Latest Updated 2026
Calculate the air content in % 4.5=(5.3-0.8) Note to remember:
of a concrete sample using whenever you see a correction
this info. Type B meter used factor. It always means to minus
Aggregate correction factor is
0.8 Reading on the pressure
gauge is 5.3%
s the following statement true True
or false? According to test
method C231, the aggregate
correction must be determined
in order to accurately calculate
air content.
True or False: If water collects True
in the air chamber of a type B
it must be bled to prevent
error in subsequent
measurement?
Stabilizing the gauge hand of a Pumping or bleeding off air as
type B meter at the initial necessary and tapping the gauge
pressure line is accomplished rightly.
by?
According to test C231, the 1/8 inches
optimum amount of concrete
