1.

What C 231 test under the Standard ASTM test method?

A. Test Method for Sampling Freshly Mixed Concrete
B. Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method
C. Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method
D. Test Method for Temperature of Freshly Mixed Portland-Cement Concrete
Answer» D. Test Method for Temperature of Freshly Mixed Portland-Cement Concrete


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