單項(xiàng)選擇題When the dock is refilled with water after docking repair, the first work which should be done by engineers is ()

A.igniting boiler
B.releasing air in sea water system
C.starting generator
D.cut off shore power


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1.單項(xiàng)選擇題During the deck repair,() should be measured firstly before tail shaft is drawn out.

A.the sinking of tail shaft
B.the clearance of stern bearing
C.the total flexure of both end bearing
D.main engine crankshaft deflection

2.單項(xiàng)選擇題To ensure the quality of dock repair, C/E should know very well ()

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

3.單項(xiàng)選擇題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 repair
B.shutting off all of the SW valves to outboard
C.the sketches or diagrams used for the dock repair
D.cleaning up the oil tank and boiler before enter the dock

4.單項(xiàng)選擇題Which of the following items don’t belong to dock repair works?()

A.the SW outboard valves
B.the tailshaft LO stop valve
C.the drain valve of the boiler
D.propeller shaft sealing device

5.單項(xiàng)選擇題When ship in the dock repairing, engine department should emphasize on the inspection of()

A.sea valve chest, sect valve, thruster
B.bilge motherboard, steering and the shaft system
C.sea water system
D.fresh water system