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
您可能感興趣的試卷
你可能感興趣的試題
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
A.pressure vacuum relief valves
B.excess flow valves
C.safety relief valves
D.flame screens
最新試題
What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?（）.
Gasoline fumes tend to（）.
Upon release to the atmosphere，LFG readily（）.
Compared to the amount of concentrated foam liquid used，the amount of low expansion mechanical foam produced is（）.
When fueling has been completed（）.
Before starting a gasoline engine on a motorboat，you should make sure for safety that（）.
Storage batteries should be charged in a well ventilated area because（）.
What is used to test a tank for oxygen content?（）
The shut off valve at the gasoline tank which can be operated from outside the tank space （）.
The amount of LFG that may be loaded into a given tank is determined by（）.