Electrical & PPE第 64 / 100 题
What is the primary purpose of a lockout/tagout program?
a.To control hazardous energy so machines cannot start unexpectedly during service
b.To lock the tool room at night
c.To track employee attendance
d.To label finished products
解析
The purpose of lockout/tagout is to control hazardous energy sources so that equipment cannot be energized or started while workers service or maintain it. Hazardous energy includes electrical, mechanical, hydraulic, pneumatic, thermal, and stored energy. Unexpected startup or energy release causes many serious injuries.
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