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【单选题】

If a bilge pump is able to develop vacuum, but is unable to sufficiently pump out the bilges, you would check for all of the following EXCEPT ().

A、the circuit breaker

B、for leaks in the suction piping

C、relief valve is not properly seated

D、the suction strainer

更多“If a bilge pump is able to develop vacuum, but is unable to sufficiently pump out the bilges, you would check for all of the following EXCEPT ().”相关的问题
第1题

APump only if the discharge is led to a shore tank or barge  B、Pump only during the hours of darkness  C、Pump only on the outgoing tide  D、Pump only as much as is necessary  

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第2题

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  

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第3题

AA.bilge well connected to that valve, plus the second bilge well being pumped will be completely emptied  B、B.bilge system will lose vacuum and prevent the other bilges from being pumped out  C、C.bilge well aft connected to that valve will siphon its contents to the forward bilge wells  D、D.discharge pressure will be too high  

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第4题

Aa transfer pump  B、a bilge pump  C、a service pump  D、a vacuum pump  

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第5题

A、The wearing rings are excessively worn  B、The suction strainer is clogged  C、The discharge valve is clogged  D、The shaft is worn  

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第7题

A、centrifugal pump is cheaper than reciprocating pump  B、the size of centrifugal pump with same capacity is smaller than that of reciprocating pump  C、centrifugal pump makes maintenance easier than reciprocating pump does  D、all of the above  

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第8题

AA.excessive water in the bilges  B、B.a clogged suction strainer  C、C.oil in the bilges  D、D.All of the above  

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第9题

A、must be fixed if the vessel exceeds 12 meters in length  B、may be used as a fire pump  C、must be portable if there are more than 4 watertight compartments  D、must be capable of pumping at least 450 gpm  

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