Core TradesCâu 69 / 700
CALCULATION: A rectangular column is 18 in by 18 in in cross-section and 10 feet tall. Ignoring reinforcement, how many cubic yards of concrete does it contain?
a.About 0.83 cubic yards
b.About 1.11 cubic yards
c.About 1.50 cubic yards
d.About 2.00 cubic yards
Giải thích
Cross-section = 1.5 ft x 1.5 ft = 2.25 sq ft. Volume = 2.25 x 10 = 22.5 cubic feet. 22.5 / 27 = 0.83 cubic yards. The larger answers assume bigger dimensions or a taller column.
Trích dẫn luật: 2025 CA Building Code, Chapter 19 (Concrete)Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
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