During the dock repair, when installing the tail shaft and propeller, who should be on the spot to supervise?（）
- Achief engineer
- Bthe engineer
- Ccaptain
- Dany member of the engine department
问题
During the dock repair, when installin
参考解析：
分类：船舶电气与船舶安全题库
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1、Shore power must be（） during dock repa
Shore power must be（） during dock repair.AdisconnectedBswitched offCcut offDconnected
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2、During the deck repair,（） should be me
During the deck repair,（） should be measured firstly before tail shaft is drawn out.Athe sinking of tail shaftBthe clearance of stern bearingCthe total flexure of both end bearingDmain engine crankshaft deflectio
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3、During repair,lubrication lines and or
During repair,lubrication lines and orifices must be （）.Ataken awayBengagedCconnectedDsealed off
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4、When the dock is refilled with water a
When the dock is refilled with water after docking repair, the first work which should be done by engineers is （）Aigniting boilerBreleasing air in sea water systemCstarting generatorDcut off shore power
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5、To ensure the quality of dock repair,
To ensure the quality of dock repair, C/E should know very well （）Athe repair standard of main docking repair itemBthe special tool for repair itemCthe skill of repairerDthe status of docking repair equipment
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6、When is dock survey carried out?（）
When is dock survey carried out?（）ADuring annual repairBUsually during dock repairCBefore sea trialDAfter 5 years from last annual survey