Steam Plants (Boilers & Turbines) USCG Question #622 (Set 21)

The fins on the tubes of a fin type fuel oil heater are provided to __________.

Official USCG Answer & Rule Citation

Correct Answer: Option B — increase heater efficiency

Fins on fuel oil heater tubes significantly increase the effective surface area on the oil or steam side, promoting enhanced heat transfer efficiency and maintaining required fuel oil temperatures.

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