Planning & EstimatingCâu 587 / 700
A wall order calls for 40 pieces of 2x6 studs, each 10 ft long. What is the total board footage (board-feet = (thickness_in x width_in x length_ft) / 12 per piece)?
a.480 board-feet
b.4,800 board-feet
c.400 board-feet
d.300 board-feet
Giải thích
Per piece: (2 x 6 x 10) / 12 = 120 / 12 = 10 board-feet. Times 40 pieces = 400 board-feet (c). Option (a) uses a 12-ft length. Option (b) forgets to divide by 12. Option (d) uses only 30 pieces.
Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
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