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【单选题】

If in doubt as to the true water level when a boiler is being oil-fired, you should ().

A、take no measures

B、extinguish the fire as soon as possible

C、feed water to the boiler

D、open the blow down valve

更多“If in doubt as to the true water level when a boiler is being oil-fired, you should ().”相关的问题
第2题

A、notify the Captain as soon as possible  B、seek clarification from the pilot  C、take action by his own judgment  D、cease the duty of pilot's at once  

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第3题

A、notify the captain as soon as possible  B、seek clarification from the pilot  C、take action by his own judgment  D、cease the duty of pilot's at once  

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第4题

A、in any emergency or if in any doubt as to what decision or measures to take  B、in the event of any impending action in machinery spaces that may cause reduction in ship’s speed  C、when isolating and bypassing machinery to be worked on  D、co-operating with any engineer in charge of maintenance work  

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第5题

A、notify the master immediately  B、take whatever action is necessary before the master arrives  C、take necessary actions at his/her discretion  D、seek clarification from the pilot  

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第6题

A、A.If the quadrantal spheres are out as far as possible replace them with smaller spheres  B、B.If the quadrantal spheres are in as far as possible remove one of the spheres  C、C.If the quadrantal spheres are in as far as possible replace them with smaller spheres  D、D.If the quadrantal spheres are out as far as possible,move the quadrantal spheres in  

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第7题

A、in doubt  B、in case  C、in condition  D、in detail  

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第8题

A、Deck Logbook  B、Master's Note  C、Bell Book  D、Master's Standing Orders  

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第9题

A、I am in doubt as to your actions  B、My engines are full speed astern  C、I desire to overtake you  D、I am operating astern propulsion  

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