Electrical & PPECâu 78 / 100
What does 'stored energy' refer to in lockout/tagout?
a.Energy in batteries only
b.Backup generators
c.Residual energy such as in capacitors, springs, hydraulics, or elevated parts that must be released or restrained
d.Solar panels
Giải thích
Stored energy is residual or potential energy that remains after the main source is disconnected, such as in capacitors, compressed springs, pressurized hydraulics, or raised machine parts. This energy must be released, blocked, or restrained before servicing. Overlooking stored energy can cause unexpected and dangerous movement.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Why is it dangerous to use electrical equipment in wet or damp conditions?
- What is the first step in a typical lockout/tagout procedure?
- After applying locks and tags, what critical step verifies the equipment is safe?
- What should unqualified workers do around exposed energized electrical parts?
- Why must extension cords used in construction be rated for hard or extra-hard usage?
- What is the danger of overloading an electrical circuit or extension cord?
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