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
A、chief engineer
B、the engineer
C、captain
D、any member of the engine department
A、after its arrival at the destination B、during the ship's voyage at sea C、before they come to the dock D、during the time when the loading or diacharging is going on
A、During annual repair B、Usually during dock repair C、Before sea trial D、After 5 years from last annual survey
A、the sinking of tail shaft B、the clearance of stern bearing C、the total flexure of shaft D、main engine crankshaft deflection
A、noting the condition of the fairwater B、inspection of the keyway C、logging inspection results in the official deck log D、all of above
A、A.making the repair list, booking spare parts and special tools for the dock repair B、B.shutting off all of the SW valves to outboard C、C.the sketches or diagrams used for the dock repair D、D.cleaning up the oil tank and boiler before enter the dock
A、A.making the repair list, booking spare parts and special tools for the dock repair B、B.shutting off all of the S.W valves to outboard C、C.the sketches or diagrams used for the dock repair D、D.cleaning up the oil tank and boiler before enter the dock
A、the repair standard of main docking repair item B、the special tool for repair item C、the skill of repairer D、the status of docking repair equipment
A、stronger than during the summer months B、weaker than during the summer months C、drier than during the summer months D、wetter than during the summer months