During lockout/tagout procedures, an employee discovers that a machine has multiple energy sources (electrical, pneumatic, and hydraulic). What is the correct procedure?
Correct Answer
D) Lock out all energy sources and verify zero energy state
OSHA 29 CFR 1926.417 requires that ALL energy sources be locked out and the zero energy state be verified before beginning work on equipment.
Why This Is the Correct Answer
OSHA 29 CFR 1926.417 requires that ALL energy sources be locked out and the zero energy state be verified before beginning work on equipment.
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A project has the following activities: A(5 days), B(8 days), C(6 days), D(4 days). Activity B starts after A, C starts after A, and D starts after both B and C are complete. What is the total project duration?