Which one is not the normal operation for boiler shutdown?（）

A、A.Carry out soot blowing if permissible

B、B.Change fuel supply to diesel oil

C、C.Close steam stop valves on boiler when pressure is reduced

D、D.Drain boiler empty when it has cooled down

查看正确答案

更多“Which one is not the normal operation for boiler shutdown?（）”相关的问题

第1题

[] Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another（）.

A、A.The vessel which has the other on her own starboard side B、B.The vessel which has the other on her own port side C、C.The one which hears the other's fog signal first D、D.Neither vessel is the stand-on vessel

点击查看答案

第2题

[单选题] If the named port is one at which no tugs are ever obtainable，and the chartered vessel can not，by reason of her size，reach that port without the assistance of tugs，the port is（）.

A、safe B、not safe C、good D、not good

点击查看答案

第3题

[单选题] The fact that it has become more onerous or more expensive for one party than he thought （）sufficient to bring about a frustration.

A、is not B、is C、will probably be D、is one of the way by which it is

点击查看答案

第4题

[] Which statement is true regarding the retention policy for the incidents accumulated in the AutomaticDiagnostic Repository (ADR)?（）

A、A. The incident metadata is purged when the problem is resolved and the DBA closes the SR B、B.The incident files and dumps are not retained in the ADR for the manually created incidents C、C. The incident files are retained but the incident metadata is purged when the problem is resolved and the DBA closes the SR D、D. The default setting is for one year after which the incident metadata is purged from the ADR and the files are retained for one month

点击查看答案

第5题

[单选题] Which one of the following is not relevant to the others?（）

A、airport B、airfield C、airline D、air-conditioned

点击查看答案

第6题

[单选题] A vessel the passage of which is not to be impeded（）to comply with this Rule when the two vessels are approaching one another so as to involve risk of collision.

A、remains fully obliged B、has no obligation C、is not necessarily D、is exempted

点击查看答案

第7题

[单选题] Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）

A、the master and the chief engineer are unable to communicate effectively B、serious corrosion on the hull C、damaged sanitary pump D、one page missing in the oil record book

点击查看答案

第8题