USCG Exam PracticeAuxiliary machinery and mechanical systems
Under 46 CFR, when pressure or gravity-forced lubrication is employed for main propelling machinery, what additional equipment is required?
- A. A gravity tank with sufficient capacity for 30 minutes of operation
- ✓ An independent auxiliary lubricating pumpCorrect
- C. A duplex strainer on the suction side of the main lube oil pump
- D. An automatic shutdown device triggered by low oil pressure
Why B is correct
46 CFR §56.50-80(b) requires that when pressure or gravity-forced lubrication is employed for the main propelling machinery, an independent auxiliary lubricating pump must be provided.
Cited:46 CFR §56.50-80