USCG Exam PracticeBatteries and storage systems
Under 46 CFR §28.870, a battery cell used as an emergency power source must not spill electrolyte when inclined at what angle from the vertical, while 46 CFR §111.15-2 requires the same for general marine battery construction at a different angle. What are the respective angles?
- A. §28.870: 40 degrees; §111.15-2: 30 degrees
- ✓ §28.870: 30 degrees; §111.15-2: 40 degreesCorrect
- C. §28.870: 30 degrees; §111.15-2: 30 degrees
- D. §28.870: 45 degrees; §111.15-2: 40 degrees
Why B is correct
46 CFR §28.870(c)(2) requires emergency source battery cells to not spill electrolyte when inclined at 30 degrees from the vertical. 46 CFR §111.15-2(a) requires general marine battery cells to not spill electrolyte when inclined at 40 degrees from the vertical. These are distinct requirements under different subchapters.