Burner ignition failure in an automatically fired auxiliary boiler would be caused by（）<br>A:a burned out solenoid in the oil supply valve<br>B:high temperature excess air<br>C:incorrectly setting the hot-well dump valve<br>D:an incorrectly positioned burner snubber realy

Burner ignition failure in an automatically fired auxiliary boiler would be caused by（）
A:a burned out solenoid in the oil supply valve
B:high temperature excess air
C:incorrectly setting the hot-well dump valve
D:an incorrectly positioned burner snubber realy

出自：海船船员证

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