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

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Per ACI 318, calcium chloride or other chloride admixtures (beyond impurity levels) shall not be used in which concrete?

Unreinforced exterior sidewalks only, with no other restriction Prestressed concrete, concrete containing aluminum embedments, or concrete cast against stay-in-place galvanized steel forms Any air-entrained mixture Any mixture placed above 70°F

Correct Answer:

Prestressed concrete, concrete containing aluminum embedments, or concrete cast against stay-in-place galvanized steel forms

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