USCG Exam PracticeEngine-room safety and hazardous materials
According to 46 CFR §182.430, when a dry exhaust pipe passes through a combustible bulkhead or partition, what is required?
- A. The pipe must be welded directly to the bulkhead to prevent vapor passage
- ✓ The pipe must be kept clear of, and suitably insulated or shielded from, combustible materialCorrect
- C. Noncombustible packing must be used and the pipe must be Schedule 80
- D. The bulkhead penetration must be sealed with fiberglass laminate
Why B is correct
46 CFR §182.430(g)(1) states that a dry exhaust pipe passing through a combustible bulkhead or partition must be kept clear of, and suitably insulated or shielded from, combustible material. Welding and Schedule 80 requirements apply to other specific situations addressed elsewhere in the regulation.
Cited:46 CFR §182.430