Expansion tanks when used in a ships hot water heating system may be of the open or closed type. In a closed type system, what would be the normal temperature range of the water?
Official USCG Answer & Rule Citation
Correct Answer: Option D — 220°F to 240°F
Under USCG National Maritime Center examination standards, the accepted correct answer is: 220°F to 240°F.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.