Each inert gas system must be designed to supply the cargo tanks with a gas，or mixture of gasses，that has an oxygen content by volume of（）.

A、5% or less

B、10% or less

C、15% or less

D、20% or less

查看正确答案

更多“Each inert gas system must be designed to supply the cargo tanks with a gas，or mixture of gasses，that has an oxygen content by volume of（）.”相关的问题

第1题

[] Each inert gas system gas main must have an automatic shut down valve at the outlet of the gas production plant. This valve must close automatically upon（）.

A、A.cargo pump failure B、B.blower failure C、C.deck seal low water level D、D.low inert gas temperature

点击查看答案

第2题

[单选题] The purpose of the deck seal in an inert gas system is to prevent（）.

A、flammable vapors from entering machinery space B、flue gas escaping to atmosphere C、inert gas escaping to atmosphere D、air entering inert gas system

点击查看答案

第3题

[单选题] Which method is used to supply inert gas from a flue gas system to the cargo tanks?（）

A、Exhaust gas pressure from the stack B、High capacity fan C、Inert gas compressor D、Natural aspiration

点击查看答案

第4题

[单选题] Inerting means（）.

A、the introduction of inert gas into a tank with the object of reducing the oxygen content to below 8% by volume B、the introduction of inert gas into a gas free tank for the purpose of reducing the oxygen content to below 8% by volume C、the introduction of inert gas into a cargo tank during cargo discharge to replace the volume of discharged cargo D、All of the above

点击查看答案

第5题

[] Inerting means（）.

A、A.the introduction of inert gas into a tank with the object of reducing the oxygen content to below 8% by volume B、B.the introduction of inert gas into a gas free tank for the purpose of reducing the oxygen content to below 8% by volume C、C.the introduction of inert gas into a cargo tank during cargo discharge to replace the volume of discharged cargo D、D.All of the above

点击查看答案

第6题

[] Each ship having an inert gas system must have a portable instruments to measure concentrations of hydrocarbon vapor in inert atmospheres and also to measure（）.

A、A.nitrogen B、B.oxygen C、C.carbon dioxide D、D.water vapor

点击查看答案

第7题

[单选题] The component in an inert gas system used for cleaning the gas of solid and sulphur combustion products，while simultaneously cooling the inert gas，is called the（）.

A、filter B、cooler C、scrubber D、purifier

点击查看答案

第8题

[单选题] A cargo tank that is initially gas freed，can be inerted by introducing inert gas by a process known as（）.

A、dilution B、displacement C、precipitation D、Either A or B