USCG Exam PracticeBearings, lubrication, and care of machine parts
Under 46 CFR §56.50-80, when pressure or gravity-forced lubrication is employed for main propelling machinery, what additional equipment is required?
- A. A gravity tank capable of 30 minutes of emergency supply
- ✓ An independent auxiliary lubricating pumpCorrect
- C. A duplex full-flow filter with automatic changeover
- D. A second oil cooler in parallel with the primary cooler
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. The other options are not the specific requirement stated in this paragraph.
Cited:46 CFR §56.50-80(b)