NV C-18 Masonry Practice Questions - Nevada C-18 Masonry Contractor Examination Exam

What are the ASTM C270 property-specification minimum 28-day compressive strengths for mortar Types M, S, N, and O?

2,500 psi, 1,800 psi, 750 psi, and 350 psi 3,000 psi, 2,000 psi, 1,000 psi, and 500 psi 1,800 psi, 750 psi, 350 psi, and 75 psi 5,000 psi for every type

Correct Answer:

2,500 psi, 1,800 psi, 750 psi, and 350 psi

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