Safety第 105 / 110 题
Before servicing a sewage ejector pump, the plumber must control hazardous energy. What procedure prevents the pump from starting during service?
a.Lockout/tagout of the electrical disconnect, then verify zero energy
b.Post a verbal warning
c.Unplug only if convenient
d.Work quickly between cycles
解析
Lockout/tagout requires de-energizing the pump at its disconnect, applying a personal lock and tag, and verifying zero energy by attempting to start it before hands go near moving parts. An automatic float could start the pump unexpectedly and cause severe injury. Each worker applies their own lock.
法律依据: 29 CFR 1910.147免费刷完整 110 道题库 — 无需注册。
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