A.actuator
B.annulus
C.accumulator
D.annular preventer
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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
A.they generate heat
B.they emit hydrogen
C.of the toxic fumes they emit
D.they recharge faster in a well ventilated space
最新試題
Compared to the amount of concentrated foam liquid used，the amount of low expansion mechanical foam produced is（）.
When fueling has been completed（）.
The vapor pressure of a gas is the pressure necessary to keep it in a(n)（）.
What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?（）.
Before starting a gasoline engine on a motorboat，you should make sure for safety that（）.
The primary hazard of liquefied petroleum gas and liquefied natural gas is（）.
Where is thicker plating usually found in the construction of integral tanks on a ship? （）
The tops of vents from gasoline tanks should terminate（）.
Butadiene，inhibited，is labeled as a（）.
Gasoline tanks should be filled（）.