USCG Exam PracticeElectrical troubleshooting and maintenance
Under 46 CFR, apparatus that may arc must be located in ventilated compartments to prevent the accumulation of which substances?
- A. Carbon dioxide, nitrogen, and inert gases
- ✓ Flammable gases, acid fumes, and oil vaporsCorrect
- C. Steam, fresh water vapor, and salt spray
- D. Dust, lint, and particulate matter
Why B is correct
46 CFR §111.01-3(b) states that apparatus that may arc must be ventilated or be in ventilated compartments in which flammable gases, acid fumes, and oil vapors cannot accumulate. This directly addresses the ignition hazard posed by arcing equipment.
Cited:46 CFR §111.01-3