As for an oil-fired boiler if at a normal steaming condition and water goes out of sight in gauge glasses the action you should take is: （） (1) secure oil to fires (2) increase feed pump pressure<br>A:（1）<br>B:（1）and（2）<br>C:（2）<br>D:neither（1）nor（2）

As for an oil-fired boiler if at a normal steaming condition and water goes out of sight in gauge glasses the action you should take is: （） (1) secure oil to fires (2) increase feed pump pressure
A:（1）
B:（1）and（2）
C:（2）
D:neither（1）nor（2）

出自：海船船员证

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