Common HazardsCâu 37 / 100
What is a permit-required confined space?
a.Any small office
b.A break room
c.A parking lot
d.A confined space with hazards such as toxic atmosphere, engulfment, or entrapment requiring a permit
Giải thích
A permit-required confined space has one or more serious hazards, such as a hazardous atmosphere, potential for engulfment, or a configuration that could trap or asphyxiate an entrant. Entry requires atmospheric testing, a permit, and an attendant. These procedures prevent deaths in tanks, vaults, and manholes.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Which factor most increases the danger of a trench collapse?
- What does 'housekeeping' on a construction site help prevent?
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- Before entering a permit-required confined space, what must be done regarding the atmosphere?
- Which of the following is an engineering control for a construction hazard?
- What is the main reason to keep workers out of the 'swing radius' of a crane or excavator?
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