USCG USCG Steam
Set 12 • Question #93 of 496
Launch Interactive Practice Room Feedwater is deaerated to prevent __________.
A
cavitation in the feed pump
B
corrosion in the boiler
✓ Correct Answer
C
loss of system vacuum
D
all of the above
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.
Question Discussion & Notes
0Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.
Loading mariner discussions...