A.combustible liquid
B.flammable gas
C.flammable liquid
D.flammable solid
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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
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
最新試題
The weight of liquefied petroleum gas vapors as compared to air is（）.
Gasoline fumes tend to（）.
The tops of vents from gasoline tanks should terminate（）.
What would you consult to determine the number of persons required on duty while loading a cargo of leaded gasoline on your tanker? （）
The vapor pressure of a substance（）.
If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）
Combustible gas indicators operate by drawing an air sample into the instrument（）.
Butadiene，inhibited，is labeled as a（）.
One of the principal dangers inherent in liquefied petroleum gas is（）.
Before starting a gasoline engine on a motorboat，you should make sure for safety that（）.