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
Compared to the amount of concentrated foam liquid used，the amount of low expansion mechanical foam produced is（）.
The airborne concentrations of substances (such as H2S) under which nearly all workers may be repeatedly exposed without adverse effects are called（）.
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（）.
The shut off valve at the gasoline tank which can be operated from outside the tank space （）.
Upon release to the atmosphere，LFG readily（）.
What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?（）.
What would you consult to determine the number of persons required on duty while loading a cargo of leaded gasoline on your tanker? （）
What normally helps in detecting escaping gas? （）
When fighting fires in spaces containing bottles of LPG (liquefied petroleum gas)，you should （）.