USCG Exam PracticeBoiler and steam propulsion fundamentals
According to 46 CFR §56.50-30, feed pumps for water-tube boilers must have which type of connections only?
- A. Saltwater connections
- ✓ Freshwater connectionsCorrect
- C. Treated seawater connections
- D. Distilled or condensate connections
Why B is correct
46 CFR §56.50-30(a)(4) states explicitly that feed pumps for water-tube boilers must have freshwater connections only. Introducing saltwater or seawater into a water-tube boiler would cause rapid scaling and corrosion of the tubes and drum.
Cited:46 CFR §56.50-30