NM CID GS-4 Practice Questions - New Mexico CID GS-4 Concrete, Cement, Walkways And Driveways Examination Exam

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PCA and ACI mixture design treat which relationship as the primary control on compressive strength of fully compacted concrete?

Higher water-cementitious materials ratio produces higher strength Lower water-cementitious materials ratio produces higher strength (Abrams' relationship) Only the brand of the ready-mix truck matters Slump, by itself, sets 28-day strength regardless of w/cm

Correct Answer:

Lower water-cementitious materials ratio produces higher strength (Abrams' relationship)

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