A.quality
B.reliability
C.price fluctuating
D.applicability
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A.the reason of replacing
B.the course of replacing
C.crews who do this work
D.where and when the replacing being done
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
最新試題
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
To proceed to the assistance of a ship in distress is（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
If separating effect is not good, which measure should be taken （）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
（） is not installed on the main switchboar.
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Which of the following items don’t belong to dock repair works?（）