An toànCâu 1267 / 1632
Each scaffold and scaffold component must be capable of supporting, without failure, its own weight and at least how many times the maximum intended load?
a.2 times
b.10 times
c.4 times
d.1.5 times
Giải thích
1926.451(a)(1) requires scaffolds to support their own weight plus at least 4 times the maximum intended load. Suspension ropes and connecting hardware have a higher 6-to-1 safety factor.
Trích dẫn luật: 29 CFR 1926.451(a)(1)Luyện miễn phí toàn bộ 1632 câu hỏi — không cần đăng ký.
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