Flame failure in an automatically fired auxiliary boiler can from a/an （）<br>A:incorrect electrode setting<br>B:incorrect nozzle position<br>C:clogged fuel nozzle<br>D:broken high tension lead

Flame failure in an automatically fired auxiliary boiler can from a/an （）
A:incorrect electrode setting
B:incorrect nozzle position
C:clogged fuel nozzle
D:broken high tension lead

出自：海船船员证

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