USCG USCG Steam
Set 9 • Question #491 of 496
Launch Interactive Practice Room Improper boiler feedwater deaeration could be directly linked to __________.
A
operating with excessive condensate depression
B
fluctuating deaerating feed tank level as a result of taking on makeup feed too rapidly
C
fluctuating condensate pressure due to not maintaining proper hotwell level
D
all of the above
✓ Correct Answer
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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