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
Storage batteries should be charged in a well ventilated area because（）.
To determine the pressure and temperature limitations under which LFG is required to be transported on a barge，you should look at the（）.
The amount of LFG that may be loaded into a given tank is determined by（）.
What would you consult to determine the number of persons required on duty while loading a cargo of leaded gasoline on your tanker? （）
Before starting a gasoline engine on a motorboat，you should make sure for safety that（）.
What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?（）.
One of the principal dangers inherent in liquefied petroleum gas is（）.
What is the proper first aid for LPG in the eye? （）
Which is NOT a safety precaution to be observed during the loading of LFG?（）
When fighting fires in spaces containing bottles of LPG (liquefied petroleum gas)，you should （）.