USCG Exam PracticePumps, valves, and piping systems
Prior to installation aboard ship, which of the following piping system diagrams must be submitted for approval under 46 CFR §56.01-10?
- A. Potable water heating systems at 100 °C (212 °F)
- ✓ Lubricating oil pipingCorrect
- C. Crew habitability ventilation piping
- D. Galley fresh water supply piping
Why B is correct
46 CFR §56.01-10(c)(1)(xvi) requires that diagrams of lubricating oil piping be submitted for approval prior to installation. Hot water heating systems require submission only if temperature exceeds 121 °C (250 °F) per §56.01-10(c)(1)(xiii). Ventilation and fresh water supply piping are not listed in §56.01-10(c)(1).
Cited:46 CFR §56.01-10