ASTM WGU C173 EXAM QUESTIONS WITH CORRECT ANSWERS

ASTM WGU C173 EXAM QUESTIONS WITH
CORRECT ANSWERS



The volumetric method of determining the air content of concrete can be used
on concrete containing what types of aggregate? - ANSWER All types of
aggregate


What are the requirements for the tamping rod used in this test method? -
ANSWER Round, smooth, 5/8 in [16mm] in diameter, hemispherical ends


What are the requirements for the strike-off bar used in this test method? -
ANSWER flat, metal bar 1/8 × 3/4 * 12in, plastic 1/4 * 3/4 * 12in


What is the approximate volume of the measuring cup used to add water to the
air meter, concerning the volume of the air meter bowl? - ANSWER 1.00%
(+_).4%


What type alcohol and concentration shall be used in this test method? -
ANSWER Isopropyl, 70%


A mallet with a weight of _____shall be used for tapping the sides of the bowl
after rodding each layer. - ANSWER 1.25lb [.6kg]


The concrete sample to be used in this test method shall be obtained in
conformance with what ASTM Practice? - ANSWER C172