USCG USCG Steam
Set 11 • Question #90 of 496
Launch Interactive Practice Room During cold ship start-up, you should open the feedwater outlet and condensate valves to a DC heater in order to __________.
A
avoid running the feed pump 'dry'
✓ Correct Answer
B
expel non- condensable vapors from the vent
C
thoroughly atomize incoming condensate
D
prevent excessive pressure
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...