AMPP CCI-1 Practice Questions - AMPP Concrete Coating Inspector Level 1 Exam

ASTM D4263 (plastic sheet test) is interpreted as a 'pass' when after a minimum 16-hour test period the underside of the sheet shows:

Visible condensation or darkening of concrete No condensation and no darkening of concrete A weight gain greater than 3 grams A pH reading above 9

No condensation and no darkening of concrete

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