单项选择题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


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1.单项选择题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

2.单项选择题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 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

3.单项选择题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

4.单项选择题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

7.单项选择题When replacing a part with a spare one, we should fill in tile spare parts consume table in time and make a mark in brief for ()

A.the reason of replacing
B.the course of replacing
C.crews who do this work
D.where and when the replacing being done

8.单项选择题Why the cooling water of the diesel engine should be treated? Because the()

A.Cooling water is alkalescence
B.cooling water is acidity
C.cooling water has salinity
D.cooling water has impurity

9.单项选择题The cooling water of the diesel engine should be treated, because it has()

A.alkale scence
B.acidity
C.salinity
D.impurity

10.单项选择题When received the order "finished with engine" which of the following operations is wrong?()

A.stop the LO pump, SW pump, FW pump
B.stop the priming FO transfer pump
C.engage the turning gear
D.open the scavenge air belts drain valve and cover the turbocharger silencer with the dustproof cover