A photoelectric cell installed in an automatically fired auxiliary boiler burner management system __________.
Official USCG Answer & Rule Citation
Correct Answer: Option A — opens the burner circuit upon sensing a flame failure
Photoelectric cells continuously monitor burner flame presence. Per marine boiler safety requirements, upon sensing a flame extinguishment or loss of radiant energy, the sensor instantly signals the burner control circuit to trip the fuel valves, preventing dangerous unburned fuel accumulation.
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