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【单选题】

All bilge suction must be fitted with suitable （）, which in the machinery space would be mud boxes positioned at floor-plate level for easy access.

A、strainers

B、valves

C、elements

D、separators

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更多“All bilge suction must be fitted with suitable （）, which in the machinery space would be mud boxes positioned at floor-plate level for easy access.”相关的问题
第1题
[] If a bilge pump failed to build up discharge pressure, you should check for （）.

A、A.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2题
[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  

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第3题
[单选题] An independent bilge suction is required for （）.

A、ballast tanks  B、sludge tanks  C、machinery space bilges  D、cargo hold bilges  

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第4题
[单选题] The emergency bilge suction valve is typically used （）.

A、to inject cleaning additives when the bilges are extremely dirty  B、when the main condenser becomes fouled, in order to provide additional cooling water circulation  C、to connect the rose box to the independent bilge suction  D、if the bilges become flooded and they can not be emptied by any other means  

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第5题
[单选题] The emergency bilge suction or bilge injection valve is used to prevent （） of the ship.

A、proceeding  B、overloading  C、collision  D、flooding  

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第6题
[单选题] All bilge suctions must be fitted with suitable （）, which in the machinery space would be mud boxes positioned at floor plate level for easy access.

A、strangers  B、relief valves  C、emergency valves  D、strainers  

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第7题
[单选题] The emergency bilge suction or bilge （） is used to prevent flooding of the ship.

A、injection valve  B、relief valve  C、discharge valve  D、inlet filter  

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第8题
[单选题] Accidental flooding of the engine room bilges by the bilge main is prevented by （）.

A、stop-check valves installed in the bilge manifolds  B、using a positive displacement reciprocating bilge pump  C、installing eductors in all bilge rose boxes  D、installing a swing check before each bilge valve  

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第9题
[] A bilge suction line，in a fishing vessel with more than 16 individuals aboard，must have a strainer with an open area not less than how many times the open area of the suction line?（）

A、A.one  B、B.two  C、C.three  D、D.four  

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