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Examen
Nevada Concrete Contractor (C-5) Contractor Practice Exam Questions and Answers Best rated A+ Guaranteed Success Latest Update
Nevada Concrete Contractor Contractor Practi
Nevada Concrete Contractor Contractor Practi
1. What is the primary purpose of reinforcing steel (rebar) in concrete? A. Reduce shrinkage cracking B. Increase tensile strength [ANSWER] C. Accelerate curing time D. Improve concrete workability Rationale: Concrete is strong in compression but weak in tension. Rebar adds tensile strength, helping concrete resist bending and cracking. 2. What is the minimum compressive strength of concrete required for residential footings per typical building codes? A. 1,500 psi B. 2,500 psi C. 3,0...
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