Which of the devices listed is used to keep overheated condensate from flowing to the deaerating feed tank?
Official USCG Answer & Rule Citation
Correct Answer: Option C — Recirculating line to the main condenser
The Deaerating Feed Tank (DFT / DC Heater) scrubs dissolved oxygen and non-condensable gases from boiler feedwater using direct contact steam heating, preventing localized oxygen pitting corrosion in economizers and steam drums.
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