USCG Exam PracticeLube oil and fuel oil systems
According to federal regulations, oil-piping systems for cargo or fuel oil must be separate from other piping systems as far as practicable. Under what condition may fuel oil and cargo oil systems be combined?
- A. When both systems are fitted with positive shutoff valves at each tank
- ✓ When the cargo oil system contains only Grade E oilsCorrect
- C. When the combined system is approved by the Marine Safety Center
- D. When the piping is of seamless steel construction throughout
Why B is correct
46 CFR §56.50-60(a)(2) states that fuel oil and cargo oil systems may be combined only if the cargo oil systems contain only Grade E oils. No other condition authorizes combining these systems.
Cited:46 CFR §56.50-60(a)(2)