Fall ProtectionCâu 51 / 100
When must a scaffold be inspected?
a.Only once a year
b.Only when it collapses
c.Before each work shift and after any event that could affect its integrity
d.Never
Giải thích
Scaffolds must be inspected by a competent person before each work shift and after any occurrence that could affect their structural integrity, such as a storm. Defective scaffolds must be tagged and taken out of service. Regular inspection prevents scaffold collapses and falls.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- What is the maximum arresting force a personal fall arrest system should place on a worker's body?
- Why is it important to minimize free fall distance in a fall arrest system?
- What must be considered to prevent a worker from hitting the ground during a fall arrest?
- At what height must most scaffold platforms have fall protection?
- How must scaffold platforms be planked to prevent workers or tools from falling through?
- How should a straight or extension ladder be positioned against a wall (the 4-to-1 rule)?
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