USCG Exam PracticeBoiler and steam propulsion fundamentals
In a unit feed system governed by 46 CFR §56.50-30, when a vessel has three or more boilers, how many boilers may be served by any one auxiliary feed pump?
- A. One boiler only
- ✓ No more than two boilersCorrect
- C. No more than three boilers
- D. All boilers, provided the pump has sufficient capacity
Why B is correct
46 CFR §56.50-30(e)(1) states that in vessels with three or more boilers using the unit feed system, not more than two boilers may be served by any one auxiliary pump. The auxiliary pump may be interconnected so that any pump can feed any boiler.
Cited:46 CFR §56.50-30