Steam Plants (Boilers & Turbines) USCG Question #55 (Set 2)

The upper section of the feed water heater indicated by "G" in the illustration is used as the __________. SG-0025

USCG Exam Illustration SG-0025
USCG Examination Diagram: Illustration SG-0025
Official USCG Answer & Rule Citation

Correct Answer: Option B — first stage heater

The upper section of a combined feed water heater typically serves as the first stage heater, where incoming condensate absorbs heat from turbine bleed steam before passing through subsequent higher-pressure stages toward the main boiler feed pump.

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