A.the SW outboard valves
B.the tailshaft LO stop valve
C.the drain valve of the boiler
D.propeller shaft sealing device
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A.sea valve chest, sect valve, thruster
B.bilge motherboard, steering and the shaft system
C.sea water system
D.fresh water system
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
最新試題
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
If separating effect is not good, which measure should be taken （）
Under MARPOL Code the ship to which it applies has to carry （）
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Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
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（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The shipboard oil pollution emergency plan will be invalid after （）