A.in open air
B.inside cabins
C.in machinery space
D.underwater
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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
A.exposure limits
B.concentration limits
C.threshold limit values
D.substance limit values
最新試題
When fighting fires in spaces containing bottles of LPG (liquefied petroleum gas)，you should （）.
Compared to the amount of concentrated foam liquid used，the amount of low expansion mechanical foam produced is（）.
To determine the pressure and temperature limitations under which LFG is required to be transported on a barge，you should look at the（）.
Where is thicker plating usually found in the construction of integral tanks on a ship? （）
What is the proper first aid for LPG in the eye? （）
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（）.
Name one major advantage of transporting gas under refrigeration.（）
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 （）.
The vapor pressure of a substance（）.