Safety Trained Supervisor Life Critical Activities 2

Question 1

What are life critical activities in workplace safety?

Accepted Answer

High-risk work with potential for fatal or life-altering outcomes requiring strict controls

Answer

Life critical activities have the highest potential for fatal or permanently disabling outcomes.

Question 2

What is the purpose of a permit-to-work system for life critical activities?

Accepted Answer

Formal process verifying all controls are in place and authorized before high-risk work

Answer

PTW ensures all controls, isolations, and authorizations are verified before high-risk work begins.

Question 3

Why is energy isolation (lockout/tagout) life critical?

Accepted Answer

Unexpected energy release during maintenance can cause immediate death

Answer

Unexpected energization during maintenance can cause immediate death or catastrophic injury.

Question 4

What atmospheric testing is required before confined space entry?

Accepted Answer

Oxygen, flammable gases, and toxic contaminants in that order

Answer

Testing must check oxygen, flammables, then toxics in that specific sequence.

Question 5

What is a hot work permit?

Accepted Answer

Required before any work producing sparks, flames, or heat sufficient to ignite nearby materials

Answer

Required before operations producing sparks, flames, or heat that could ignite nearby materials.

Safety Trained Supervisor Practice Test