USCG Exam PracticeLube oil and fuel oil systems
A vessel's lube-oil system sight-flow glass must be capable of withstanding exposure to a flame at what temperature for one hour without appreciable leakage?
- A. 500 °F (260 °C)
- B. 1,000 °F (538 °C)
- ✓ 1,700 °F (927 °C)Correct
- D. 2,000 °F (1,093 °C)
Why C is correct
46 CFR §56.50-80(h) permits sight-flow glasses in lubricating-oil systems provided they can withstand exposure to a flame at a temperature of 927 °C (1,700 °F) for one hour without appreciable leakage.
Cited:46 CFR §56.50-80(h)