Cert III Concreting Practice Questions - Certificate III In Concreting (CPC30320) Exam

Under AS 1379, what does the 'N' prefix in a normal-class concrete grade such as N20 or N32 indicate?

The maximum nominal aggregate size in millimetres Normal-class concrete specified by characteristic compressive strength The number of days before the concrete reaches full strength The slump value the concrete must achieve at the point of acceptance

Correct Answer:

Normal-class concrete specified by characteristic compressive strength

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