A.one salt water, one fresh water
B.one salt water, one fuel
C.one fresh water, one fuel
D.one steam, one fuel
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A.main engines
B.main boilers
C.pipes and fittings
D.A and B
A.steam trap
B.check valve
C.separator
D.strainer
A.a check valve
B.a gate valve
C.a pressure reducing valve
D.a quick closing valve
A.at most references
B.at least references
C.maximum standards
D.minimum standards
A.pollution by oil
B.pollution by noxious liquid substances carried in bulk
C.pollution by sewage from ships
D.pollution by garbage from ships
最新試題
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
To proceed to the assistance of a ship in distress is（）
The main purpose of port State control is not to（）
Under MARPOL Code the ship to which it applies has to carry （）
（） is not installed on the main switchboar.
Diesel engine air start system check valves are opened by （）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Flame failure in an automatically fired auxiliary boiler can from a/an （）