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单选题
During the dock repair, when installing the tail shaft and propeller, who should be on the spot to supervise?（）
A
chief engineer
B
the engineer
C
captain
D
any member of the engine department
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单选题During the dock repair, should be measured firstly before tail shaft drawn out（）A
the sinking of tail shaftB
the clearance of stern bearingC
the total flexure of shaftD
main engine crankshaft deflection
考题
单选题Which of the following items don’t belong to dock repair works?（）A
making the repair list, booking spare parts and special tools for the dock repairB
shutting off all of the S.W valves to outboardC
the sketches or diagrams used for the dock repairD
cleaning up the oil tank and boiler before enter the dock
考题
单选题Which of the following items don’t belong to dock repair works?（）A
the SW outboard valvesB
the tailshaft LO stop valveC
the drain valve of the boilerD
propeller shaft sealing device
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单选题Which of the following items don’t belong to dock repair works?（）A
making the repair list, booking spare parts and special tools for the dock repairB
shutting off all of the SW valves to outboardC
the sketches or diagrams used for the dock repairD
cleaning up the oil tank and boiler before enter the dock
考题
单选题When the tail-shaft is drawn from a vessel in dry-dock, which of the following inspections is required to be carried out?（）A
The propeller hub taper and shaft keyway should be inspected for cracks or corrosionB
The stern bearing alignment with the stern frame should be checkedC
The interior of the stern tube should be inspected for leaksD
The shaft liner should be removed and inspected
考题
单选题Shore power must be（） during dock repair.A
disconnectedB
switched offC
cut offD
connected
考题
单选题When the dock is refilled with water after docking repair, the first work which should be done by engineers is （）A
igniting boilerB
releasing air in sea water systemC
starting generatorD
cut off shore power
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单选题A vessel has been equipped with an oil lubricated stern bearing and is undergoing a routine dry-dock.Which of the following inspection should be made when the tail-shaft has been drawn?（）A
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The shaft liner should be inspected for cracks and tested to insure a tight fitC
The stern tube should be tested for cracks with dye penetrantD
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单选题When ship in the dock repairing, engine department should emphasize on the inspection of（）A
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bilge motherboard, steering and the shaft systemC
sea water systemD
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单选题When is dock survey carried out?（）A
During annual repairB
Usually during dock repairC
Before sea trialD
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单选题To ensure the quality of dock repair, C/E should know very well （）A
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the special tool for repair itemC
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考题
单选题A wobbling tail shaft is an indication of（）.A
shallow waterB
an engine that is misfiringC
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单选题During the deck repair,（） should be measured firstly before tail shaft is drawn out.A
the sinking of tail shaftB
the clearance of stern bearingC
the total flexure of both end bearingD
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单选题During the dock repair, each sea valve must be disassembled, cleaned and ground well.Before it reassemble the sealing surface between the valve and the valve seat should be checked by （）A
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