Electrical & PPECâu 73 / 100
What is an arc flash?
a.A sudden release of energy from an electrical arc that can cause severe burns
b.A camera flash
c.A type of light bulb
d.A warning label
Giải thích
An arc flash is a rapid release of energy caused by an electrical arc, producing intense heat, light, and pressure that can cause severe burns and other injuries. Proper arc-rated PPE and safe work distances reduce the danger. De-energizing equipment before work is the best protection.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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