Engine: Engineering Safety

1. A Fire division boundary, A Class, with insulation that will limit temperature rise to below the allowable level for 60 minutes.
2. B Fire division boundary, A Class, with insulation that will limit temperature rise to below the allowable level for 60 seconds.
3. C Damage stability bulkhead, A Class, with bulkhead strength that will limit flooding for 60 minutes.
4. D Materials meeting construction yard specification A60.

Tip: press A-D to answer