A.variable
B.the same
C.lighter
D.heavier
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A.decreases as temperature increases
B.increases with the temperature
C.is not affected by temperature
D.may increase or decrease as the temperature rises
A.soluble state
B.solid state
C.liquefied state
D.inert state
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
最新試題
What is the proper first aid for LPG in the eye? （）
The tops of vents from gasoline tanks should terminate（）.
The amount of LFG that may be loaded into a given tank is determined by（）.
The vapor pressure of a gas is the pressure necessary to keep it in a(n)（）.
What would you consult to determine the number of persons required on duty while loading a cargo of leaded gasoline on your tanker? （）
To determine the pressure and temperature limitations under which LFG is required to be transported on a barge，you should look at the（）.
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（）.
The weight of liquefied petroleum gas vapors as compared to air is（）.
One of the principal dangers inherent in liquefied petroleum gas is（）.
When fueling has been completed（）.