When loading bulk liquid cargo，what is the FIRST action you should take if a cargo valve jammed open?（）<br>A:Trip the pump relief valve<br>B:Order the dock man to shut down<br>C:Call the owner，operator，or terminal supervisor<br>D:Run out the vessel's or terminal's fire hose

When loading bulk liquid cargo，what is the FIRST action you should take if a cargo valve jammed open?（）
A:Trip the pump relief valve
B:Order the dock man to shut down
C:Call the owner，operator，or terminal supervisor
D:Run out the vessel's or terminal's fire hose

出自：海船船员证

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