A.sea valve chest, sect valve, thruster
B.bilge motherboard, steering and the shaft system
C.sea water system
D.fresh water system
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We should apply for annual spare parts according to（）
Ⅰ.he need of annual overhaul
Ⅱ.he storage of spare parts
Ⅲ.he storage capacity of spare parts room
A.Ⅰ
B.Ⅱ
C.Ⅰ+Ⅱ
D.Ⅲ
A.quality
B.reliability
C.price fluctuating
D.applicability
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
最新試題
The shipboard oil pollution emergency plan will be invalid after （）
The main purpose of port State control is not to（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Which of the following items don’t belong to dock repair works?（）