A.97 times greater
B.94 times greater
C.10 times greater
D.2 times greater
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A.over an electrically heated platinum filament
B.where it is mixed with nitrogen
C.where it is ignited by a sparking device
D.where its specific gravity is measured
A.combustible liquid
B.flammable gas
C.flammable liquid
D.flammable solid
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
最新試題
Which is NOT a safety precaution to be observed during the loading of LFG?（）
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（）.
One of the principal dangers inherent in liquefied petroleum gas is（）.
The tops of vents from gasoline tanks should terminate（）.
Gasoline vapor tends to collect（）.
Where is thicker plating usually found in the construction of integral tanks on a ship? （）
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 shut off valve at the gasoline tank which can be operated from outside the tank space （）.
What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?（）.