A.settle near the bottom of the bilge
B.settle near the top of the bilge
C.settle evenly throughout all levels of the bilge by mixing with air
D.disperse to atmosphere
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A.nitrogen
B.oxygen
C.carbon dioxide
D.water vapor
A.5% or less
B.10% or less
C.15% or less
D.20% or less
A.97 times greater
B.94 times greater
C.10 times greater
D.2 times greater
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
最新試題
LFG tank and pipeline maintenance should include（）.
Combustible gas indicators operate by drawing an air sample into the instrument（）.
The shut off valve at the gasoline tank which can be operated from outside the tank space （）.
To determine the pressure and temperature limitations under which LFG is required to be transported on a barge，you should look at the（）.
What is the proper first aid for LPG in the eye? （）
When fighting fires in spaces containing bottles of LPG (liquefied petroleum gas)，you should （）.
Name one major advantage of transporting gas under refrigeration.（）
If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）
The vapor pressure of a gas is the pressure necessary to keep it in a(n)（）.
Upon release to the atmosphere，LFG readily（）.