AL Concrete Practice Questions - Alabama Concrete Contractor Examination Exam

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How many linear feet of #4 bar are required for bars spaced at 12 in on center running the long direction of a 40 ft by 20 ft slab (one direction only; use number of bars = width/spacing, ignore the extra edge bar, laps, and cover)?

400 lin ft 800 lin ft 1,000 lin ft 1,200 lin ft

Correct Answer:

800 lin ft

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