A.the gasoline tank is full
B.the bilges，cabins，etc. are thoroughly ventilated
C.you have fresh water on board
D.Each of the above is followed
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A.with
B.by
C.of
D.for
A.Scrubber
B.Demister
C.Deck water seal
D.Final filter
A.pressure vacuum relief valves
B.excess flow valves
C.safety relief valves
D.flame screens
A.in the ends of each tank
B.in the expansion trunk of each tank
C.above the weather deck
D.there are no requirements in the regulation
A.phosgene gas
B.sulfuric acid gas
C.sulfur dioxide gas
D.carbon tetrachloride
最新試題
Gasoline vapor tends to collect（）.
Before starting a gasoline engine on a motorboat，you should make sure for safety that（）.
Each inert gas system must be designed to supply the cargo tanks with a gas，or mixture of gasses，that has an oxygen content by volume of（）.
The primary hazard of liquefied petroleum gas and liquefied natural gas is（）.
Storage batteries should be charged in a well ventilated area because（）.
The weight of liquefied petroleum gas vapors as compared to air is（）.
The storage device for nitrogen-pressurized hydraulic fluid，which is used in closing the blowout preventers is called the（）.
Butadiene，inhibited，is labeled as a（）.
Gasoline tanks should be filled（）.
When fueling has been completed（）.