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
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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
A.they generate heat
B.they emit hydrogen
C.of the toxic fumes they emit
D.they recharge faster in a well ventilated space
A.as it warms up it becomes heavier than air
B.the way it reacts with sea water
C.the strong odor it produces
D.its low temperature causes frostbite or freezing
最新試題
Name one major advantage of transporting gas under refrigeration.（）
Compared to the amount of concentrated foam liquid used，the amount of low expansion mechanical foam produced is（）.
Upon release to the atmosphere，LFG readily（）.
If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）
What is the proper first aid for LPG in the eye? （）
Gasoline tanks should be filled（）.
The amount of LFG that may be loaded into a given tank is determined by（）.
What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?（）.
Where should the tops of vents from gasoline tanks terminate?（）.
Combustible gas indicators operate by drawing an air sample into the instrument（）.