USCG USCG Steam
Set 7 • Question #429 of 496
Launch Interactive Practice Room A high water level in a deaerating feed heater will cause the automatic dump valve to drain condensate to the __________.
A
atmospheric drain tank
B
reserve feed tank
✓ Correct Answer
C
auxiliary condenser
D
main condenser
USCG NMC Regulatory Explanation
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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