A.soluble state
B.solid state
C.liquefied state
D.inert state
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A.in open air
B.inside cabins
C.in machinery space
D.underwater
A.actuator
B.annulus
C.accumulator
D.annular preventer
A.controls the amount of gasoline to the engine
B.shuts off the gasoline supply at the tank
C.is used if the gasoline tank leaks
D.All of the above
A.pressure
B.toxicity
C.temperature
D.flammability
A.checking the loading sheet
B.loading to within 1 percent of outage
C.loading to within 10 percent of the safety relief valve setting
D.filling to the maximum level indicated on the liquid level gaging device
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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（）.
Butadiene，inhibited，is labeled as a（）.
Upon release to the atmosphere，LFG readily（）.
Each ship having an inert gas system must have a portable instruments to measure concentrations of hydrocarbon vapor in inert atmospheres and also to measure（）.
Where should the tops of vents from gasoline tanks terminate?（）.
Where is thicker plating usually found in the construction of integral tanks on a ship? （）
Storage batteries should be charged in a well ventilated area because（）.
The tops of vents from gasoline tanks should terminate（）.
One of the principal dangers inherent in liquefied petroleum gas is（）.
The primary hazard of liquefied petroleum gas and liquefied natural gas is（）.