USCG Exam PracticeBearings, lubrication, and care of machine parts
Under 46 CFR, when pressure or gravity-forced lubrication is employed for main propelling machinery, what additional equipment is required?
- A. A gravity tank that operates automatically upon failure of the main lube-oil pump
- ✓ An independent auxiliary lubricating pumpCorrect
- C. Two separate means of circulating oil through the coolers
- D. A full-flow filter arranged so it can be cleaned without interrupting oil supply
Why B is correct
46 CFR §56.50-80(b) requires that when pressure or gravity-forced lubrication is employed for main propelling machinery, an independent auxiliary lubricating pump must be provided. The other options describe separate requirements found elsewhere in the regulation.
Cited:46 CFR §56.50-80(b)