A.container ships
B.bulk carriers
C.passenger ships
D.barges
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A.the fuel oil
B.the lubricating oil
C.the refrigerating oil
D.the hydraulic oil
A.one salt water, one fresh water
B.one salt water, one fuel
C.one fresh water, one fuel
D.one steam, one fuel
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
最新試題
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
The cetane rating of diesel fuel is an indication of the （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Under MARPOL Code the ship to which it applies has to carry （）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Diesel engine air start system check valves are opened by （）
The treatment of the fuel oils involves storage, heating, filtering and（）