The bilge system has been performing well; however, the aft starboard engine room bilgewell suddenly fails to be pumped outWhich of the following should be done first to determine the cause?（）<br>A:Open the bilge pump for inspection<br>B:Remove each of the manifold valves<br>C:Remove only the manifold valve to the affected bilge-well<br>D:Attempt to pump out another bilge well to determine if the entire system is affected

The bilge system has been performing well; however, the aft starboard engine room bilgewell suddenly fails to be pumped outWhich of the following should be done first to determine the cause?（）
A:Open the bilge pump for inspection
B:Remove each of the manifold valves
C:Remove only the manifold valve to the affected bilge-well
D:Attempt to pump out another bilge well to determine if the entire system is affected

出自：海船船员证

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