Planning & EstimatingCâu 600 / 700
A footing has 3 continuous #4 rebars, each running 120 ft. Using #4 bar at about 0.668 pounds per linear foot, what is the APPROXIMATE total weight of steel?
a.120 pounds
b.481 pounds
c.360 pounds
d.240 pounds
Giải thích
Total length = 3 x 120 = 360 linear feet. Weight = 360 x 0.668 = 240.5, about 240 pounds (d). Option (a) uses only one bar's length. Option (b) doubles the bar count. Option (c) treats linear feet as pounds without applying the 0.668 factor.
Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
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