A.the reason of replacing
B.the course of replacing
C.crews who do this work
D.where and when the replacing being done
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A.Cooling water is alkalescence
B.cooling water is acidity
C.cooling water has salinity
D.cooling water has impurity
A.alkale scence
B.acidity
C.salinity
D.impurity
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
A.keep all systems in normally running
B.the main engine is stand-by
C.shut off the starting air bottle outlet valve
D.pay attention to the changes of the system parameters
A.fuel valve
B.the starting air valve
C.the sea chest
D.the main sea pump inlet valve
A.shut off the starting air receiver outlet valve
B.stop the FO priming transfer pump and shut off the correspondence inlet and outlet valve
C.stop the SW pump immediately and shut off the correspondence inlet and outlet valve
D.stop the FW pump immediately and shut off the correspondence inlet and outlet valve
A.overload
B.the odds of the load
C.the default of parts
D.overload and the odds of the load
A.testing for the mechanical load and the thermal load
B.inspecting thermal and mechanical condition of the engine
C.inspecting each system and exhaust temperature
D.testing for compress pressure and explosion pressure
A.the highest
B.above 3/4
C.1/2-3/4
D.the lowest
A.achromatism or thin gray
B.thin white
C.sky-blue
D.black
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